Klyde PX4 | PX5 | PX6 head units with MCU CSN2 | CSN2_D | CSN2_8600_D (Android 8/9/10

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_yuzo_

Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    This thread relates to MCU: CSN2_xxxxx, CSN2_D_xxxxx and CSN2_8600_D_xxxxx for PX4, PX5 and PX6 platforms


    This thread is a mirror of russian 4pda to cover more users/developers.

    All units are made by Klyde, but are sold under different brands.

    I've been looking for a simple way to donate me if this thread is useful for you, all the ways are collected in one post there

    Hardware specifications:
    • CPU: Octa-core PX5 1.5GHz Cortex A53 64 bits CPU
    • ROM: 16/32/64G
    • RAM: 2/4G
    • Resolution: 1024*600
    • Out Power: 4*45Watt
    • Operating System: Android 8/9
    • Radio Tuner/Audio Chip: NXP6686 / TDA7851
    • Built-In WiFi Module /Support External 3G Dongle
    • Features: Radio Tuner,Built-in GPS,MP3 Player,Bluetooth,Touch Screen,TV,Mirror link,Built-In Microphone,Support Steering Wheel Control,Support Can-Bus

    Useful tips
    Tag [Android 8] means that it applicable to Android 8 :), the same for [Android 9]. If there is no tag, it suits both versions.

    • Factory Settings password: 126
    • If you type 888 while opening Factory Settings, the Logo changing menu appears instead of Factory Settings. Logo1 replaces "Navigation system" picture, Logo2 replaces "android" picture. Logo2 is animated.
    • Developers mode password is 237
    • Password 927 opens menu, that helps to adjust screen brightens by changing VCOM value. You can set it between 1 and 100. Be careful with that!
    • [Android 8] How to get root: Use a rooting app, alternative link
    • [Android 9] How to root
      Warning! You should be careful with that as it can brick your device once you tried to update SuperSu. Do not update SuperSu binary or the SuperSU app!!! You will get bootloop if that is updated!!! Also you have to wait until the tool completes its job, otherwise you can get no sound. If you face the mentioned problems, just re-flash your device. BE CAREFUL!.
    • Starting from android 8 January firmware there is an option "OFF" for "Power off delay if ACC OFF". it allows to keep android in a sleep mode forever. Please note that it consumes around ~9-10mA in this mode. Powered off device uses 4.8mA only (twice less than sleeping mode).
    • How to get enter stock recovery: hold reset(power) button, wait until sensor buttons start blinking, release and immediately press the button again. See video
    • To adjust the back camera brightness, just tap the screen when the camera is active.
    • Set custom logo
    • Detailed device schema

    Known issues/limitations and fix/workaround for that
    • Lost wheel key settings and radio stations in case full power loss (yellow wire). Make sure that yellow wire is not disconnected when the car is stopped/locked.
    • Sound level is 10 (12) after reboot/sleep if you was listening louder; if it was less than 10 (12) stays the same. 12 appeared in Dec 11th firmware, it was 10 before that. Not topical starting from Dec 27th firmware, now you can define default sound between 12 10 and 20 in Car Settings-->Personal Settings. 10-20 is in Jan 17th firmware .
    • buzz in speakers caused by 433MHz alarm system and USB stick remounting.
    • small buzz caused by WIFI, observed in complete silence only. Not an issue if there are no connected devices.
    • There are lots of cases when wheel keys does not work at all. The reason is in wiring. Please study the head unit manual + car wiring scheme and put the needed wire to the correct connection shoe.
    • if you have canbus adapter and wheel buttons duplicate actions (i.e you pressed next track, but 2-3 tracks were switched, the same for sound level), just flash Jan 17 or newer firmware. Also it is possible to change wiring, but the firmware is much easier.
    • if you have canbus adapter and track switching is reversed (incorrect), just go to Factory Settings --> canbus and set keys_previous_next to change.
    • Bluetooth ODBII and hands-free (calls) does not work simultaneously. At the same time ODBII and BT Music works well simultaneously. Hardware limitation, no idea for now if that can be solved.
    • Voice dialing, voice search do not work on some devices. Fixed in May 8th firmware.

    1.PX5 Firmware.
    You can combine different firmware and MCU (I.e. take the pumpkin MCU + April firmware or vice versa). MCU from Android 8 is compatible with Android 9. Mind DSP only while updating MCU.

    The factory does not provide me with a changelog! Do not ask about it.

    Android 10.

    Fake Android 10.
    It is the same android 9 firmware, but with changed launcher, radio and Bluetooth app.
    Android 9.

    The link for the most recent firmware and MCU: with DSP and without DSP. _D_ in the MCU version means that it is for units with DSP.

    All available versions of MCU are on my Google drive.

    Firmware history and links:
    Android 8.
    The link for the most recent firmware and MCU: with DSP and without DSP. _D_ in the MCU version means that it is for units with DSP.

    All available versions of MCU are on my Google drive.

    Firmware history and links:

    2. PX6 Firmware

    Android 10.

    Android 9.

    3. PX5 Android 9 for 1 DIN units with MCU CSN2_8600_D
    The differences between this unit are on Russian 4pda

    Firmware 201911301053 + MCU CSN2_8600_D_11202019_162651 is located on Google Drive

    4. PX4 Firmware

    Android 10.

    The instruction how to upgrade is there

    The list of purchased devices

    Tested and compatible 3G/4G modems
    • ZTE MF622
    • ZTE MF825
    • Huawei e173
    • Huawei E352
    • Huawei E3272
    • Alcatel 410D
     
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    Y

    _yuzo_

    Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    How to update firmware on the device (without changing android version)

    I know at least 3 methods how to do that :) Use USB Stick or SD card with FAT32 filesystem for android 8 or USB Stick ONLY for android 9.
    1.
    - put the firmware (kupdate.zip + update2.bin if you want to upgrade MCU) directly to USB stick or SD card,
    - insert it while the unit is running,
    - click OK once suggestion to update appears.

    2. The same as 1, but the last point is to start update from system settings

    3. Use it, if you have a brick (bootloop)
    - put the firmware (kupdate.zip + update2.bin if you want to upgrade MCU) directly to USB stick or SD card with FAT32 filesystem for android 8 or ONLY USB Stick for android 9.
    - power off the device, insert USB stick or SD card for android 8 or ONLY USB Stick for android 9.
    - press and hold power button and power on unit by switching on ACC in your car or enable power +12V on both red and yellow wire in case you doing that on the table. On some units use reset button instead.
    - once the update is started, release the button.

    WARNING! Firmware update will remove all your personal data and settings on the device!

    If you observe the error like "header and footer of kupdate.zip does not correspond signature", just try to upgrade form another USB stick/SD card.
     
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    Y

    _yuzo_

    Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    Upgrade from Android 8 to Andriod 9 (Using disassembling method)

    For now it is needed to DISASSEMBLE the unit for upgrade! These actions are on your own responsibility!!!

    0. You will need Windows PC/Laptop/Tablet for this procedure, please refer to guide from Chinese engineers here.
    1. Install drivers from this archive
    2. Short circuit the resistor to ground (there is a picture in guide)
    3. Power on the unit
    4. Connect USB (use Type-A male to Type-A male cable).
    5. Flash the Android 9 data from this archive
    6. Disconnect USB and power. Then power on the unit.
    7. Enjoy

    After these steps you'll be able to install any android 9 from this thread. It is needed to disassemble the unit only once.

    A few videos for the reference are there and there.
     
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    _yuzo_

    Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    Upgrade from Android 8 to 9 WITHOUT disassembling.

    ALL YOUR ACTIONS ARE YOUR OWN RESPONSIBILITY!!! Nobody will send you a new core board in case of the failure! At least will not do that free of charge!

    0. All needed files are there.

    1. To perform the upgrade we need:
    - Strong desire to do that and be ready to purchase a new core board in case of total failure (~100$);
    - micro SD card slot in your unit. If the unit vendor gives details regarding the units without SD cards, I'll update this post;
    - USB stick (up to 16GB, to avoid possible problems) formatted in fat32;
    - micro SD card (again, please use not so big);

    2. Put the following things on USB stick:
    - MCU firmware that suits your device. I.e. update2.bin from the first message in thread with DSP or not depending on your unit)
    - Android 9 firmware from the first message. kupdate.zip, Again: Andriod 9!!!

    3. Do NOT plug USB stick to the unit for now, let`s make bootable SD card;

    4. On Windows PC run SDDiskTool and create bootable SD card. The manual inside of the archive, with the details, so I see to reasons to repeat it there. update.img from the archive is used there ~350Mb;

    5. Install "Android 8 upgrade 9.apk" into the unit, run it, click only the button in this application. The unit becomes a brick (temporary, till a success on step 9) - You will see only a black screen and lights on the buttons;

    6. Put SD card into a units slot, disconnect battery terminal of your car or power off the unit in some other way. Both red and yellow wires of unit should not have +12V on them !!!

    7. connect battery terminal.

    8. The unit is upgraded for the first time. Take a video of the process!!! Just in case if you fail and it will be needed to troubleshoot that. On this step you should see TWO errors of formatting metadata. YES, there should be TWO errors!! and formatting error for system.

    Video of attempt.
    The final screenshot.

    9. Disconnect and connect battery terminal one more time. The unit upgrades from SD card one more time Take a video of the process,just in case. this time there should be no errors with metadata and system!!! The last string should be "Doing Actions succeeded".

    Video of 2nd attempt.
    The final screenshot.

    10. Disconnect battery terminal, REMOVE SD card from unit, plug USB stick prepared on step 2.

    11. Connect battery terminal and the unit will complete the upgrade to Android 9.

    12. Once the upgrade from USB stick is done, the unit start running Android 9. All further upgrades will be done from USB stick without any additional actions

    Video of installing the firmware from USB Stick.

    13. FORMAT SD card on your PC, do not use it in unit until it is formatted, just to be safe.
     
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    Y

    _yuzo_

    Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    Upgrade to real android 10

    There are 2 known ways how to upgrade to android 10.

    1. Disassemble your unit and do the same as described there using the files for PX5 or PX6 depending on your platform. Also there is an instruction with pictures in each archive.

    2. Without disassembling, but using windows laptop or tablet. Quite simple, but requires lots of checks and preparations. And in worth case scenario you will have to solder to the needed pins of coreboard.

    !!! The upgrade is possible on motherboards rev 1.4, 1.5.2 and 1.6 (quite possible that other revisions too, but we have not enough information for now). The mainboards of rev 1.2 require disassembling and soldering additional usb cable!!!

    In order to complete the upgrade we need:
    - strong desire to do that and be ready to disassemble unit in case of the failure or even purchase a new one.
    - USB type A male to type A male cable
    - Windows laptop or tablet

    Steps to do.
    1. Preparation
    - check the Bluetooth module that is configured in your unit: System Settings-->Factory Settings-->FUNC-->BT Mode. Note its model somewhere. That will be needed to restore the settings after the upgrade.
    - check if you can do an upgrade:
    -- install terminal emulator on your unit and run
    Code: 
    dmesg | grep "USB device" | grep using
    and note the last time stamp
    -- plug USB stick to the first USB (on the panel or into an extender cable)
    -- run again
    Code: 
    dmesg | grep "USB device" | grep using
    -- if you see something like
    Code: 
    [ 4781.749803] usb 3-1: new high-speed USB device number 16 using usb20_otg
    you can use this USB and plug the head unit to your laptop via it using USB male type A to male type A cable. usb20_otg is vital
    -- if you see something like
    Code: 
    1-1.3: new high-speed USB device number 5 using ehci-platform
    This USB can not be used!
    -- repeat the action for the second unit`s USB
    -- IF BOTH PORTS DOES NOT HAVE OTG YOU CAN NOT GO FURTHER UNTIL YOU SOLDER THE 3RD CABLE! The instruction is at the end of this post.
    - download PX5 or PX6 depending on your platform.
    - if you have a display with resolution 1280*720 , download a custom oem.img, it is suitable for both PX5 and PX6;
    - extract archive to root directore of drive C: You should have C:\px6_10.0_burntools\ or C:\px5_10.0_burntools\ folder;
    - install drivers from DriverAssitant folder;
    - in case of PX6 go to C:\px6_10.0_burntools\AndroidTool_Release_v2.71, for PX5 go to C:\px5_10.0_burntools\AndroidTool_Release_v2.71, edit config.ini, replace Selected=1 with Selected=2. That will enable English language for the program;
    - if you have 1280*720 display, put the custom file to rockdev\image folder and replace the old one;
    - backup all vital data on your head unit;

    2. Upgrade
    - run AndroidTool.exe
    - download and install this APK
    - run it and click "Go to Android10", the device will be rebooted and BRICKED. APK kills loader and boot partition!!!
    - connect your laptop and head unit via the discovered OTG USB
    - AndroidTool should reprt "Found one MASKROM device"
    - hit run button;
    - wait until the competition.

    The unit will be rebooted, data partition will be formated and the unit will be running andriod 10.

    3. Post upgrade
    - download the most recent firmware
    - put it on USB stick
    - do an upgrade using this USB stick

    Known issues and fixes
    1. Bluetooth KD6 does not work on android 10. Replace the module with IVT140 or RF210, maybe it will be fixed in new firmware. Fixed starting from 202011261850
    2. In some unique cases the rear camera does not work on android 10 (we suspect that it appears on old mainboard revisions without DSP). Fix is to revert to android 9 or maybe it will be fixed in new firmware. Fixed starting from 202010141730



    TIPs    .
    Mainboards Rev 1.2 do not have USB OTG, so you have to solder the 3d USB cable. Just solder the USB wire to connector A if the mainboard. Pins 63 and 64. 63rd stands for D+, 64th corresponds D-. Do not forget about GND. +5V is not mandatory for upgrade, you can take it from rear connector H (check pin 5 or 10 there) and make fully working USB port.

    20818804.png

    photo_2020-09-13_14-36-50.jpg

    photo_2020-09-13_14-30-35.jpg
     
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    A

    aecioms

    Member
    Dec 1, 2018
    21
    2
    February 20th 201902201912 + MCU CSN2_0192019_154914 from Pumpkin ND0294 suitable for us said:
    I couldnt download the file, it comes corrupt.

    ---------- Post added at 01:51 PM ---------- Previous post was at 01:48 PM ----------

    In my unit, buzz comes when the radio is off, and the noise seems like the radio was turned on, but in very low volume... Does it happen with you too, guys?
    Click to expand...
     
    sambhasanbiswas

    sambhasanbiswas

    Member
    Mar 9, 2013
    40
    3
    Kolkata
    www.facebook.com
    Head units RockChip PX5 with MCU CSN2 (Android 8.0.0): discussion, firmware, tips etc

    _yuzo_ also add these skyshadow products. I own the 1st one with 64gb upgraded version

    1. Adjustable 10.1" IPS Android 8.0 4GB +32GB + 8 Core Car DVD Player GPS Glonass map RDS Radio wifi Bluetooth 2 Din for universal
    https://s.click.aliexpress.com/e/bSVJ1e80
    Particularly the 64gb free upgraded versions were csn2

    2. New IPS 10.1" Android 8.0 4GB +64GB + Octa Core Car DVD Player GPS Glonass map RDS Radio wifi Bluetooth 4.0 2 Din for universal
    https://s.click.aliexpress.com/e/cncQMDNQ


    Sent from my iPhone using Tapatalk
     
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    R

    rblloyd83

    New member
    Mar 19, 2019
    3
    0
    Hi Yuzo. Do you know if there is a way to pull a copy of my existing OS and MCU that came shipped with the unit? I want to try flashing to the latest pumpkin MCU, but would like to restore to stock if needed. My unit is an Eonon GA9180a. Thanks!

    Build Number: 201811021951
    Kernel: 4.4.103
    MCU: CSN2_1122018_153527
     
    A

    aecioms

    Member
    Dec 1, 2018
    21
    2
    Guys, I can't transfer files with ES File explorer by WLAN. It says "sender disconnected"... Does it happen with someone else? How to solve this?
    Now I need to use pendrive everytime I want to transfer files to headunit...
     
    Y

    _yuzo_

    Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    rblloyd83 said:
    Hi Yuzo. Do you know if there is a way to pull a copy of my existing OS and MCU that came shipped with the unit? I want to try flashing to the latest pumpkin MCU, but would like to restore to stock if needed. My unit is an Eonon GA9180a. Thanks!

    Build Number: 201811021951
    Kernel: 4.4.103
    MCU: CSN2_1122018_153527
    Click to expand...

    Hi! Rooting app contains tools for backup, but that is rather alfa version and noone tried to flash that dump back.

    Your MCU is present in very first firmware available there. I, as well as xda and 4pda users, do not have 201811021951 firmware. But I can assure that Jan 17th and Pumpkin firmwares are stable. The only noticeable difference between them is in a launcher, application appearance. Also Pumpkin does not have the option that allows to set the brightness according to the clock.

    Please also share the link where you bought your device.
     
    R

    rblloyd83

    New member
    Mar 19, 2019
    3
    0
    _yuzo_ said:
    Hi! Rooting app contains tools for backup, but that is rather alfa version and noone tried to flash that dump back.

    Your MCU is present in very first firmware available there. I, as well as xda and 4pda users, do not have 201811021951 firmware. But I can assure that Jan 17th and Pumpkin firmwares are stable. The only noticeable difference between them is in a launcher, application appearance. Also Pumpkin does not have the option that allows to set the brightness according to the clock.

    Please also share the link where you bought your device.
    Click to expand...

    Thanks, sure appreciate the feedback. I purchased this system:

    "eonon.com/Android-Car-GPS/Vehicle-Specific-GPS/Chevrolet-GMC-Buick-Newest-Android-8-0-Car-GPS-Navigation-System-7-Inch-Auto-Stereo-Upgrade-RAM-4GB-Factory-Auto-Radio.html"
     
    Y

    _yuzo_

    Senior Member
    • Feb 15, 2016
    339
    169
    Chernihiv
    rblloyd83 said:
    Thanks, sure appreciate the feedback. I purchased this system:

    "eonon.com/Android-Car-GPS/Vehicle-Specific-GPS/Chevrolet-GMC-Buick-Newest-Android-8-0-Car-GPS-Navigation-System-7-Inch-Auto-Stereo-Upgrade-RAM-4GB-Factory-Auto-Radio.html"
    Click to expand...

    Thanks. Added.

    donny02 said:
    I just wanted to list my csn2 device that I ordered at aliexpress from seller autostereo for my Mazda 5: https://de.aliexpress.com/item/-/32913733250.html
    I did not do any modification so far. But steeringwheel keys do double clicks, so maybe I will try some update later.
    Click to expand...
    Added to the list of devices. The case is connected with canbus adapter and fixed in Jan 17th firmware (also it is possible to fix that by changing wires, but firmware update is much easier). If you want to keep the original launcher - use Jan 17th firmware, otherwise you can try Pumpkin.
     
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    KidGixxer

    KidGixxer

    Senior Member
    Mar 21, 2007
    83
    18
    Eonon GA9180A For Chevy/GM Trucks is running CSN2. Im pretty sure its a klyde as well.
    As for the static when D/L U/L over wifi. It because the wifi antenna is taped directly to the top of the am/fm receiver and not properly shielded.
    I did buy a new antenna with a longer cable. One of these days i will pull it out of the truck and add the new one in and reroute the wiring to see if it helps any.(not in a rush since it doesn't bother me to much)
     
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    • 1
      Y
      _yuzo_
      Exutor90 said:
      If yes then I must build a new Cable right?
      Or no chance to upgrade Android 10.0?
      Click to expand...
      Yep.
      View
      1
      Saiphable
      Saiphable
      Make cable like in tutorial, swirch to mascrom mode and burn android 10
      View
    • 1
      Y
      _yuzo_
      FullSky said:
      hello everyone, sorry I wanted to ask you a question: which app do you use for navigation? is there a navigation app to use offline?
      Click to expand...
      Google maps work well in Ukraine and just awesome in Europe. Used IGo Primo for offline navigation, but Google maps even in roaming not so expensive nowadays.
      View
      1
      L
      lew26
      I use Google maps, I use herewego as a secondary. Herewego lets you easily download regions, countries and sections of countries.

      You can download all of Europe or just the Ukraine
      View
      1
      Y
      _yuzo_
      criszz said:
      Can somone point me in the right directon to buy a better gps module for my Erisin ES9791V klyde px5 ?
      Click to expand...
      US $10.69 7%OFF | 1~5PCS/LOT New original MAX-M8Q-0-00 MAX-M8Q-0-10(new version) GPS Module
      https://a.aliexpress.com/_AWofiJ

      This one suits all mainboards except rev 1.2.1. Purchased and tested by myself.

      But please note, that weak GPS signal is caused by weak connection on SMA connector in most cases. The antenna requires 3.3v to operate correctly.
      View
      1
      Y
      _yuzo_
      _yuzo_ said:
      I'll attach the config in 5-10 minutes
      Click to expand...
      Attached all possible screens (almost). The instruction is there: https://forum.xda-developers.com/t/...2_8600_d-android-8-9-10.3912413/post-84744535
      View
      1
      G
      goy2k
      Exutor90 said:
      Good evening.

      I hope I can disturb you.

      I currently have CSN2_D software on my Erisin 8791V radio. SCREEN 2

      I would like to have the latest software.
      Unfortunately I always get an ERROR. Screen 1
      I use a USB stick.

      What am I doing wrong?

      Here are a few screenshots.View attachment 5298643
      Click to expand...
      Just like me, you have a "fake Android 10" (rk3368_Android10 in the messages) on the ERISIN. I have the ES8783 and had the same error. You have to update to a real Android 10 first (see at the very beginning: https://forum.xda-developers.com/t/...2_8600_d-android-8-9-10.3912413/post-79144645). It worked great for me. You can then install any new A10. The firmware versions available here (especially the last two) seem to come directly from Erisin.

      PS: looks harder than it is.
      PSPS: the correct USB port is marked with a flag at ERISIN that says OTA :) you don't have to search long



      Hi, as I see you're from Germany, so my answer in German :)

      Du hast genau wie ich ein "Fake-Android 10" (rk3368_Android10 bei den Meldungen) auf dem ERISIN. Ich habe das ES8783 und hatte den gleichen Fehler. Du mußt erst auf ein richtiges Android 10 aktualisieren (siehe ganz am Anfang: https://forum.xda-developers.com/t/...2_8600_d-android-8-9-10.3912413/post-79144645). Hat bei mir super funktioniert. Danach kannst du jedes neue A10 aufspielen. Die hier verfügbaren Firmware-Versionen (insb. die letzten beiden) scheinen direkt von Erisin zu kommen.

      PS: sieht schwieriger aus, als es ist.
      PSPS: der richtige USB-Port ist bei ERISIN mit einem Fähnchen beschriftet, auf dem OTA steht :) da musst du nicht lange suchen
      View
    • 26
      Y
      _yuzo_
      This thread relates to MCU: CSN2_xxxxx, CSN2_D_xxxxx and CSN2_8600_D_xxxxx for PX4, PX5 and PX6 platforms


      This thread is a mirror of russian 4pda to cover more users/developers.

      All units are made by Klyde, but are sold under different brands.

      I've been looking for a simple way to donate me if this thread is useful for you, all the ways are collected in one post there

      Hardware specifications:
      • CPU: Octa-core PX5 1.5GHz Cortex A53 64 bits CPU
      • ROM: 16/32/64G
      • RAM: 2/4G
      • Resolution: 1024*600
      • Out Power: 4*45Watt
      • Operating System: Android 8/9
      • Radio Tuner/Audio Chip: NXP6686 / TDA7851
      • Built-In WiFi Module /Support External 3G Dongle
      • Features: Radio Tuner,Built-in GPS,MP3 Player,Bluetooth,Touch Screen,TV,Mirror link,Built-In Microphone,Support Steering Wheel Control,Support Can-Bus

      Useful tips
      Tag [Android 8] means that it applicable to Android 8 :), the same for [Android 9]. If there is no tag, it suits both versions.

      • Factory Settings password: 126
      • If you type 888 while opening Factory Settings, the Logo changing menu appears instead of Factory Settings. Logo1 replaces "Navigation system" picture, Logo2 replaces "android" picture. Logo2 is animated.
      • Developers mode password is 237
      • Password 927 opens menu, that helps to adjust screen brightens by changing VCOM value. You can set it between 1 and 100. Be careful with that!
      • [Android 8] How to get root: Use a rooting app, alternative link
      • [Android 9] How to root
        Warning! You should be careful with that as it can brick your device once you tried to update SuperSu. Do not update SuperSu binary or the SuperSU app!!! You will get bootloop if that is updated!!! Also you have to wait until the tool completes its job, otherwise you can get no sound. If you face the mentioned problems, just re-flash your device. BE CAREFUL!.
      • Starting from android 8 January firmware there is an option "OFF" for "Power off delay if ACC OFF". it allows to keep android in a sleep mode forever. Please note that it consumes around ~9-10mA in this mode. Powered off device uses 4.8mA only (twice less than sleeping mode).
      • How to get enter stock recovery: hold reset(power) button, wait until sensor buttons start blinking, release and immediately press the button again. See video
      • To adjust the back camera brightness, just tap the screen when the camera is active.
      • Set custom logo
      • Detailed device schema

      Known issues/limitations and fix/workaround for that
      • Lost wheel key settings and radio stations in case full power loss (yellow wire). Make sure that yellow wire is not disconnected when the car is stopped/locked.
      • Sound level is 10 (12) after reboot/sleep if you was listening louder; if it was less than 10 (12) stays the same. 12 appeared in Dec 11th firmware, it was 10 before that. Not topical starting from Dec 27th firmware, now you can define default sound between 12 10 and 20 in Car Settings-->Personal Settings. 10-20 is in Jan 17th firmware .
      • buzz in speakers caused by 433MHz alarm system and USB stick remounting.
      • small buzz caused by WIFI, observed in complete silence only. Not an issue if there are no connected devices.
      • There are lots of cases when wheel keys does not work at all. The reason is in wiring. Please study the head unit manual + car wiring scheme and put the needed wire to the correct connection shoe.
      • if you have canbus adapter and wheel buttons duplicate actions (i.e you pressed next track, but 2-3 tracks were switched, the same for sound level), just flash Jan 17 or newer firmware. Also it is possible to change wiring, but the firmware is much easier.
      • if you have canbus adapter and track switching is reversed (incorrect), just go to Factory Settings --> canbus and set keys_previous_next to change.
      • Bluetooth ODBII and hands-free (calls) does not work simultaneously. At the same time ODBII and BT Music works well simultaneously. Hardware limitation, no idea for now if that can be solved.
      • Voice dialing, voice search do not work on some devices. Fixed in May 8th firmware.

      1.PX5 Firmware.
      You can combine different firmware and MCU (I.e. take the pumpkin MCU + April firmware or vice versa). MCU from Android 8 is compatible with Android 9. Mind DSP only while updating MCU.

      The factory does not provide me with a changelog! Do not ask about it.

      Android 10.

      Fake Android 10.
      It is the same android 9 firmware, but with changed launcher, radio and Bluetooth app.
      Android 9.

      The link for the most recent firmware and MCU: with DSP and without DSP. _D_ in the MCU version means that it is for units with DSP.

      All available versions of MCU are on my Google drive.

      Firmware history and links:
      Android 8.
      The link for the most recent firmware and MCU: with DSP and without DSP. _D_ in the MCU version means that it is for units with DSP.

      All available versions of MCU are on my Google drive.

      Firmware history and links:

      2. PX6 Firmware

      Android 10.

      Android 9.

      3. PX5 Android 9 for 1 DIN units with MCU CSN2_8600_D
      The differences between this unit are on Russian 4pda

      Firmware 201911301053 + MCU CSN2_8600_D_11202019_162651 is located on Google Drive

      4. PX4 Firmware

      Android 10.

      The instruction how to upgrade is there

      The list of purchased devices

      Tested and compatible 3G/4G modems
      • ZTE MF622
      • ZTE MF825
      • Huawei e173
      • Huawei E352
      • Huawei E3272
      • Alcatel 410D
      View
      8
      Y
      _yuzo_
      How to update firmware on the device (without changing android version)

      I know at least 3 methods how to do that :) Use USB Stick or SD card with FAT32 filesystem for android 8 or USB Stick ONLY for android 9.
      1.
      - put the firmware (kupdate.zip + update2.bin if you want to upgrade MCU) directly to USB stick or SD card,
      - insert it while the unit is running,
      - click OK once suggestion to update appears.

      2. The same as 1, but the last point is to start update from system settings

      3. Use it, if you have a brick (bootloop)
      - put the firmware (kupdate.zip + update2.bin if you want to upgrade MCU) directly to USB stick or SD card with FAT32 filesystem for android 8 or ONLY USB Stick for android 9.
      - power off the device, insert USB stick or SD card for android 8 or ONLY USB Stick for android 9.
      - press and hold power button and power on unit by switching on ACC in your car or enable power +12V on both red and yellow wire in case you doing that on the table. On some units use reset button instead.
      - once the update is started, release the button.

      WARNING! Firmware update will remove all your personal data and settings on the device!

      If you observe the error like "header and footer of kupdate.zip does not correspond signature", just try to upgrade form another USB stick/SD card.
      View
      4
      X
      xdamember2
      KiNG_ANDi said:
      Have somebody a solution for this problem?
      https://forum.xda-developers.com/android-auto/android-head-units/csn2-whitelist-autostart-t3959081
      Click to expand...

      I decompiled with the latest Jadx and found it will end all non-system processes, except for those in a hard-coded blacklist, which includes google maps. So it should work to move an app to system/priv-app or even system/app if it is desired to be sustained during sleep. There are apps which can do this for you on a rooted system though I have never tried them. Apparently it gets more complicated if the app to be made a system app includes libraries and I don't know if the automated systemizer apps do this for you. In my case it would be nice if Maps restarted where it left off so I may go ahead and try editing the smali.

      FYI the relevant code is below:
      It comes from com.my.manager.McuManager in MyCarService.apk. According the the manifest it was compiled with Android 9.

      Update: I was not able to successfully rebuild a properly working apk. :(

      2nd Update: With apktool set to not use aapt2, it seems to work. I commented out the call to the below function, and now Google Maps resumes directly to navigation. Somehow it didn't do the trick to remove Maps from the blacklist. :)

      Code: 
       private void killAllNoSystemProcess() {
        try {
            getAvailMemory(this.mContext);
            PackageManager mPackageManager = this.mContext.getPackageManager();
            Intent mainIntent = new Intent("android.intent.action.MAIN", null);
            mainIntent.addCategory("android.intent.category.LAUNCHER");
            List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent, 0);
            ActivityManager am = (ActivityManager) this.mContext.getSystemService("activity");
            for (ActivityManager.RunningAppProcessInfo amProcess : am.getRunningAppProcesses()) {
                int kill = -1;
                Iterator<ResolveInfo> it = apps.iterator();
                while (true) {
                    if (!it.hasNext()) {
                        break;
                    }
                    ResolveInfo appInfo = it.next();
                    boolean flag = false;
                    if ((appInfo.activityInfo.applicationInfo.flags & GlobalDef.CVBS_DEFALUT_BRIGHTNESS_7181) != 0) {
                        flag = true;
                    } else if ((appInfo.activityInfo.applicationInfo.flags & 1) == 0) {
                        flag = true;
                    }
                    if (amProcess.processName.startsWith(appInfo.activityInfo.packageName)) {
                        if (flag) {
                            kill = 1;
                        } else {
                            kill = 0;
                        }
                    }
                }
                if (kill == -1 && amProcess.importance > 200) {
                    kill = 1;
                }
                Log.d(TAG, amProcess.processName + "<<kill:" + kill + ":" + amProcess.importance);
                if (kill > 0) {
                    am.forceStopPackage(amProcess.processName);
                }
                for (String s : KILL_SYSTEM_APP) {
                    am.forceStopPackage(s);
                }
            }
            getAvailMemory(this.mContext);
        } catch (Exception e) {
            Log.d(TAG, "killAllNoSystemProcess:" + e);
        }
    }
      View
      3
      Y
      _yuzo_
      Upgrade from Android 8 to 9 WITHOUT disassembling.

      ALL YOUR ACTIONS ARE YOUR OWN RESPONSIBILITY!!! Nobody will send you a new core board in case of the failure! At least will not do that free of charge!

      0. All needed files are there.

      1. To perform the upgrade we need:
      - Strong desire to do that and be ready to purchase a new core board in case of total failure (~100$);
      - micro SD card slot in your unit. If the unit vendor gives details regarding the units without SD cards, I'll update this post;
      - USB stick (up to 16GB, to avoid possible problems) formatted in fat32;
      - micro SD card (again, please use not so big);

      2. Put the following things on USB stick:
      - MCU firmware that suits your device. I.e. update2.bin from the first message in thread with DSP or not depending on your unit)
      - Android 9 firmware from the first message. kupdate.zip, Again: Andriod 9!!!

      3. Do NOT plug USB stick to the unit for now, let`s make bootable SD card;

      4. On Windows PC run SDDiskTool and create bootable SD card. The manual inside of the archive, with the details, so I see to reasons to repeat it there. update.img from the archive is used there ~350Mb;

      5. Install "Android 8 upgrade 9.apk" into the unit, run it, click only the button in this application. The unit becomes a brick (temporary, till a success on step 9) - You will see only a black screen and lights on the buttons;

      6. Put SD card into a units slot, disconnect battery terminal of your car or power off the unit in some other way. Both red and yellow wires of unit should not have +12V on them !!!

      7. connect battery terminal.

      8. The unit is upgraded for the first time. Take a video of the process!!! Just in case if you fail and it will be needed to troubleshoot that. On this step you should see TWO errors of formatting metadata. YES, there should be TWO errors!! and formatting error for system.

      Video of attempt.
      The final screenshot.

      9. Disconnect and connect battery terminal one more time. The unit upgrades from SD card one more time Take a video of the process,just in case. this time there should be no errors with metadata and system!!! The last string should be "Doing Actions succeeded".

      Video of 2nd attempt.
      The final screenshot.

      10. Disconnect battery terminal, REMOVE SD card from unit, plug USB stick prepared on step 2.

      11. Connect battery terminal and the unit will complete the upgrade to Android 9.

      12. Once the upgrade from USB stick is done, the unit start running Android 9. All further upgrades will be done from USB stick without any additional actions

      Video of installing the firmware from USB Stick.

      13. FORMAT SD card on your PC, do not use it in unit until it is formatted, just to be safe.
      View
      3
      Y
      _yuzo_
      sambhasanbiswas said:
      Been using pumpkin for few days now! Here are the few issues am facing:
      1. On connecting Bluetooth mobile, bt player opens automatically, which is quite annoying during start up when bluetooth phone is gets connected.
      2. After rooting using the root apk, I cannot check root access using ‘super su’. Even ‘es file explorer’ stops responding most of the time. Can you guide me with the root access?
      Click to expand...

      1. Try to disable option "Play on USB connect" (not sure about the exact its name, but meaning should be close to that). It is disabled for me, and I never had the case described by you.
      2. I'll capture a video, but it will be maybe next week. The tool worked on old firmware, not sure if Pumpkin is different there.

      Also I have a fresh firmware. So Mar 8th 201903081109 + MCU CSN2_03202019_103040 Stored on my Google Drive

      Works like a charm. Visible differences are in the attached pictures.
      View

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