YT5760B_AC8259 - HW FW (google.com)
The link at xyauto has been changed. i need to download ui for 1280 x 720. Please update the link or alternative link
AC8257 CPU Based unit's problems & questions - Couldn't find any info about it
- Thread starter EagleXDR
- Start date
The link at xyauto has been changed. i need to download ui for 1280 x 720. Please update the link or alternative link
I didn't archive any 1280x720 UIs. My YT5760B is 1024x600 so thats the only one I archived in case need to go back to older version. Didn't anticipate xyauto to remove these UI files.
after updating the wrong UI with the wrong resolution (1920 x 720) now my screen is not working (black screen) while the functions are still working. i tried flashing the xyauto rom again but the screen doesn't come on either. i think need to re-flash UI 1280 x 720
Yes, wrong UI resolution make screen black as reported by other members. I document it here
YT5760B_AC8259 - Misc
Replacing Default Launcher WARNING xyauto seems to have removed UI17 and UI20 from their file servers (3/5/2023) Probably because they were bricking too many units in the field. Read more below. Note xyauto launchers is resolution specific so be sure to research and locate the right one. Wrong will
Maybe you can contact @boolaga in above link on how to reccover 1280 x 720 black screen from wrong resolution UI firmware install. Here are xyauto UI files that says compatible to 1280 x 720
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I tried flashing this OTA but it didn't restore the screen.Có, độ phân giải giao diện người dùng sai làm cho màn hình đen như báo cáo của các thành viên khác. Tôi tài liệu nó ở đây
YT5760B_AC8259 - Misc
Replacing Default Launcher WARNING xyauto seems to have removed UI17 and UI20 from their file servers (3/5/2023) Probably because they were bricking too many units in the field. Read more below. Note xyauto launchers is resolution specific so be sure to research and locate the right one. Wrong willsites.google.com
Có lẽ bạn có thể liên hệ với @boolaga trong liên kết ở trên về cách khôi phục màn hình đen 1280 x 720 do cài đặt chương trình cơ sở giao diện người dùng có độ phân giải sai. Đây là các tệp giao diện người dùng xyauto tương thích với 1280 x 720
I uploaded the UI file I used to unbrick my unit here: 1280*720(mipi)Yes, wrong UI resolution make screen black as reported by other members. I document it here
YT5760B_AC8259 - Misc
Replacing Default Launcher WARNING xyauto seems to have removed UI17 and UI20 from their file servers (3/5/2023) Probably because they were bricking too many units in the field. Read more below. Note xyauto launchers is resolution specific so be sure to research and locate the right one. Wrong will
Maybe you can contact @boolaga in above link on how to reccover 1280 x 720 black screen from wrong resolution UI firmware install. Here are xyauto UI files that says compatible to 1280 x 720
Refer to my previous posts on around page 55 if you want any more info. I doubt I'll be able to provide any more than that. Good luck!
After updating to 1.73.7 my Zlink is crap.
Constantly cuts out, lags, etc.
It came with 3.9.27 version of ZLINK.
I read that zlink 5.3.8 apk version exists, does it work with the 1024x600 versions?
Can anyone share the apk and maybe the older 1.72 or 1.71 versions?
Constantly cuts out, lags, etc.
It came with 3.9.27 version of ZLINK.
I read that zlink 5.3.8 apk version exists, does it work with the 1024x600 versions?
Can anyone share the apk and maybe the older 1.72 or 1.71 versions?
Can try the latest 3.9.48 and see if works better. zlink 5 unfortunately seems to have been removed. It seemed like pretty significant upgrade. Maybe still hiding somewhere on xyauto file server.
YT5760B_AC8259 - Network
WiFi WiFi is faster with Bt turned off (confirmed on my unit) Someone on 4pda also reports faster wifi with longer antenna GU on MTK AC8257 cpu, Android 10, MCU: HDBEC - 4PDA Cellular HU includes 2 cellular SIM card slots. One internal (SIM1 require disassembly to get to it) and one via external
Maybe PM @hyz_123 to see if he has zlink 5 archive.
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Hi karlisakis
For some reason, I found the 3.9.27 is best zlink to work with 5760B.
I believe 3.9.27 was also used on 1.73 maybe 1.72 as well.
You can try 3.9.48, but I have tried several releases newer than 3.9.27, they all have sound distortion issue, at least it happened with my 5760B.
I think do have zlink 5 saved on my computer somewhere, i will try to find it for you.
the only issue is Zlink 5 cannot be full screen, there is always an android task bar on top. if you dont mind this, than zlink5 should be good for you.
Can try the latest 3.9.48 and see if works better. zlink 5 unfortunately seems to have been removed. It seemed like pretty significant upgrade. Maybe still hiding somewhere on xyauto file server.
YT5760B_AC8259 - Network
WiFi WiFi is faster with Bt turned off (confirmed on my unit) Someone on 4pda also reports faster wifi with longer antenna GU on MTK AC8257 cpu, Android 10, MCU: HDBEC - 4PDA Cellular HU includes 2 cellular SIM card slots. One internal (SIM1 require disassembly to get to it) and one via external
Maybe PM @hyz_123 to see if he has zlink 5 archive.
here is the zlink 5 ota file, it contains older version of zlink5.
I also have the zlink 5.3.17 apk. (I believe this is the newer version)
The ota file contains some system supporting files for running zlink5. (So just install zlink5 apk will not work)
the easiest way is to update with zlink5 ota file, and than install 5.3.17 apk to update zlink5 to latest version.
Reminder to restart the system before use.
Very cool thx, I'll put a link to these repositories on the website.
Installed 5.3.17 over my 5.3.8, install removed my launch icon from UI20 home page. Reboot HU, put zlink launch icon back and zlink runs CarPlay fine but not a user so no heavy testing.
I also found 5.3.8 (attached below)
BTW, there are 2 other online zlink repositories but I've not tried either of these
- 5.2.72 on apkcombo ZLINK APK (Android App) - Free Download (apkcombo.com). Installed fine but UI20 launch icon disappeared like 5.3.17 above post installed. Didn't reboot or test any further. I would guess it works fine if someone wants to try it. Installed 5.3.8 again and ran without any problem. Repository also have older 5.2.x versions.
- Zplus V1.1.12 on zjinnova website. No idea if this will work zlink activation key on these HUs. Its the 12MB file, use google translate to see the file name ( zLink mobile phone software - android ) 北京至简科技有限公司 - 至简科技 (zjinnova.com) For testing, installed it on my android phone, booted and got the version # but went no further than this.
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Thanks a ton you all!
I will test and report back.
Problem arose after updating to 1.73.7
I just checked and the old install used to have the same zlink version, and then 3.8.34 before that.
So actually the issue came from the OS update.
Basically it drops zlink connection often, or worse, lags/freezes the stream (audio)
I will test and report back.
Problem arose after updating to 1.73.7
I just checked and the old install used to have the same zlink version, and then 3.8.34 before that.
So actually the issue came from the OS update.
Basically it drops zlink connection often, or worse, lags/freezes the stream (audio)
thanks for your support. I tried flashing your UI but the device still won't turn on. Can you upload your ROM for me?
thanks for your support. I tried flashing your UI but the device still won't turn on. Can you upload your ROM for me?
Segue o vídeo meu amigo.
I have a picture of the screen with the colors misconfigured.
Touch is inverted.
Attachments
There is a setting in Android settings called "invert colors" or similar. Try to use the search function on top of settings to find it....
Update on the ZLink issue.
Updating to ZLink 5 did not solve the issue.
I assume I need to reflash the OS.
I tried to load an older version, but it does not allow me to downgrade via usb flash drive.
My biggest issues now are the constant connection drop when using ZLink (it plays music via bluetooth just fine)
And the high pitch static/cpu/something sound via speakers - this one is hella annoying when there is no music, and I have not been able to find the culprit.
The static is there only when the unit tries to play music or any sound, when the amp turns off, no static.
It's clearly a cpu related, as it gets more active when the unit is trying to open an app, or play a video, its less pronounced when just idling.
Updating to ZLink 5 did not solve the issue.
I assume I need to reflash the OS.
I tried to load an older version, but it does not allow me to downgrade via usb flash drive.
My biggest issues now are the constant connection drop when using ZLink (it plays music via bluetooth just fine)
And the high pitch static/cpu/something sound via speakers - this one is hella annoying when there is no music, and I have not been able to find the culprit.
The static is there only when the unit tries to play music or any sound, when the amp turns off, no static.
It's clearly a cpu related, as it gets more active when the unit is trying to open an app, or play a video, its less pronounced when just idling.
Hello!
Anyone knows if it is possible to completely turn off the head unit? Not only to just turn off the screen, i want to power off the machine as in a PC or a smartphone.
Thanks in advance!
Anyone knows if it is possible to completely turn off the head unit? Not only to just turn off the screen, i want to power off the machine as in a PC or a smartphone.
Thanks in advance!
I've tried reversing it and it didn't work. Is it something to do with the video driver or screen recognition?
I've tried reversing it and it didn't work. Is it something to do with the video driver or screen recognition?
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2@mantecon1 provided all the details on wrong screen driver (for example, wrong resolution) screen brick recovery. Outlined below
Installed wrong resolution UI
xyauto's UI packages are resolution specific. For example, UI17 and UI20 for this HU are different for different resolutions. If wrong one was installed, you will get a blank display screen (although backlight will be on)
Start the Car
Some car's accessory mode will shutoff radio after few min. To prevent this problem. Best to start the car while patching/flashing any firmware. This is especially important in longer duration processes like this one.
Confirm firmware running on HU
There are 2 ways to confirm HU booted the firmware correctly but has the wrong display driver so screen is blank. Probably best to confirm both ways.
If HU backlight is on, then firmware booted correctly on HU and just can not display due to wrong display driver. If no backlight on, then firmware didn't boot and will need to recovery another way. Will outline at a later time.
Insert FAT32 USB stick (without Android folder, maybe just insert a blank one to be sure) into 6 pin USB port. Wait 15-20s and remove. Check if Android folder appear. If so, then HU is running firmware properly and added this folder when it detected the USB stick insertion.
Make Display Driver Recovery USB
Put 2 files on FAT32 USB stick
XYAUTO_UPDATE.bin
In this xyauto folder. There are other bin files including xyauto_upgrade.bin which has similar name to XYAUTO_UPDATE.bin but in lower case. Don't touch these other bin files
Display Driver
There are many HU resolution feature update packages here
Each gz file package contains the correct display driver. Select a gz file from the correct resolution and put on the USB stick
Insert USB into HU
Put USB stick into 6pin USB interface on HU. Need to watch HU screen closely for the next few min for 2 reboots.
First reboot takes ~1min (or longer?) You will see backlight flash off and on which indicates this reboot event occurred.
2nd reboot will occur ~2min after first reboot. Then you will see image appear on screen. Quickly remove the USB stick. Display driver is now recovered.
Try different screen drivers
If the above Display Driver doesn't work, then you may have the wrong driver on the FAT32 USB, can try others in the display driver directory above. As an example, xyauto has incorrectly named 1280x720 driver as 720x1280 in the past.
AC8257 CPU Based unit's problems & questions - Couldn't find any info about it
***** A site by @howardc64 which has a lot of...
forum.xda-developers.com
2For most casual users, I think simple configuration is best. Here are probably best solutions
PREVENTIVE MAINTENANCE
I suggest everyone store their IMEI # and any llicense activation code in safe place. There maybe future situation that can erase these. IIMEI can be retrieved on the HU motherboard even if lost.
<= 1.73.7 users
Just stay with 1.73.7. xyauto will surely be pressured by vendors to make new feature appear in 1.73.7 partition structure. Otherwise, vendor will receive heavy product return pressure from recent sales of HU using 1.73.7 partition structure without upgrade path.
2/23/23 1.73.7 feature set appears to be same as 2/20/23 1.73.8. So you might ask, what is the point of 1.73.8 then? Read on.
Avoid modified 1.73.8. with 1.73.7 partition structure
Some people are creating a modified install like this. I think most users may confusingly believe this is 1.73.8 with 1.73.8 partition structure. All future 1.73.8 partition structure upgrades will fail to install.
1.73.8 HUs
These must be new HUs that will be purchased now/soon since 1.73.8 just appeared. These users should just use >= 1.73.8
1.73.8 has a changed partition structure. It appears to run faster and the partition structure may be responsible. My hypothesis is eMMC performance tuning.
AC8257 CPU Based unit's problems & questions - Couldn't find any info about it
***** A site by @howardc64 which has a lot of...
forum.xda-developers.com
Bricked HU
Wrong display driver brick should consult post #1372
Wrong firmware brick probably can use either
- TWRP to install ota (ota partition structure probably should match wrong firmware partition structure) Consult post #1378 and following 2 posts.
- format flash, install new firmware, install IMEI (hopefully saved) This is basically HU vendor's HU manufacturing process.
Of course all this is only valid until xyauto make more configuration change
xyauto + aliexpress is like WIndows hw+sw. Massive variations with difficult configuration control.
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I know the process to format flash, install new firmware and reinstall IMEI (if known). WIll post a general description shortly. But am afraid to try on my HU (wife's car used daily) If anyone in US has bricked HU. PM me and I can try to practice this technique and revive the unit.2@mantecon1 taught me these steps so give credit to him
Flash Setup and Use TWRP
General Overview Diagram
Hardware Tools
Read here for Tools and HU USB Port
YT5760B_AC8259 - Brick Recovery (google.com)
Download and unpack the TWRP Package
TWRP are specific to a hardware platform. @mantecon1 found these online for YT5670B
Launch flash_tool and set the scatter file
Launch flash_tool from above flash tool guide
Maks sure Download-Agent is chosen per flash tool guide
For 32bit firmware, set Scatter-loading File to AC8259_Android_scatter. For 64bit firmware, set to AC8259_Android_scatter_64bit
This will populate the flash tool screen like this. Only recovery and vbmeta should be checked. vbmeta location is different between 32b and 64b firmware.
Basically this says ONLY flash these recovery and vbmeta section onto the HU
Flash with Following Steps
- Insert USB-A cable into HU's 6-in USB plug. If you get it wrong, don't worry, it will just not work
- Make sure its in Download Only mode. Again, if ever asked to format, quit. Format will erase entire flash memory and cause more challenges.
- Press Download. This sets the flash_tool ready to download waiting for the HU. HU will need to get into the correct mode to accept flash.
- Insert USB-A cable into PC
- Press RST with a tool. This is when all the flash will happen fairly quickly. HU screen will go blank and get into a mode ready for flashing. Then Windows will make USB device mount notification sound. flash_tool then starts flashing recovery and completes with a few seconds.
Unplug USB-A cable from HU
Insert the USB stick for backup and ota firmware to install into HU
Press RST
HU will boot completely to UI
Trigger TWRP
- Download an app called Terminal Emulator For Android from Play Store
- Launch it
- Wait for command line prompt (Sometime this can take more than 40s right after HU boots up) Can hit return key to check.
- type reboot recovery, hit return
- system will now reboot into TWRP recovery
TWRP Initial Screen
I didn't capture the first TWRP launch screen. You just want to check "don't display again" and slide the modify slider. We will need to do more than read only mode.
TWRP Screen Blanking
TWRP will automatically turn off the screen after a short time. Need to turn this off (under Settings). If goes blank, need to press RST, boot HU, run Terminal with reboot recovery command to get back to TWRP.
Video
Here is a video on TWRP installation on my HU with 64bit firmware. Note it took awhile for terminal emulator to show prompt. This seems to occur everytime. Probably just need to let it sit awhile after firmware boots up.
TWRP Backup
- Choose Backup
- Slelect all partitions
- Select storage to USB stick
- Enable Compression
- Swipe to Backup
Thats it, backup done. Keep USB stick plugged in for ota install
TWRP ota Install
- Choose Install
- Select Storage to USB Stick
- Choose ota file
- Swipe to confirm flash
- Flashing progress
- Reboot System
====
For reference, here is 4pda's post on this exact same technique. Although they added root
Головные устройства YT7260B/YT5760 на процессоре AC8257 от производителя xyauto - 4PDA
Головные устройства YT7260B/YT5760 на...4pda.to
2
I am the author of the firmware released by the China Forum post you mentioned. First of all, correct you: I am not a QQ interest group. I am an Android Framework developer. The firmware I developed for this second time (YT5760B) can be written from 1.73.7 and any version below via USB flash disk without changing the partition table. This firmware supports English and automatic recognition of the vertical display screen, but I'm sorry that I made it based on the Chinese version, So it doesn't include Google services
2@mantecon1 taught me these steps so give credit to him
General overview diagram
Setup Flash Tool
I've made this simpler. Here are the steps
Download the tools
There files are originally from xyauto file server. I removed all Chinese characters which prevent the tool from running correctly on at least my English version of Windows.
69.17 MB file on MEGA
mega.nz
WIndows Computer
I used Win10. I've read other posts that say Win11 don't work. Flashing recovery is so fast (takes 5-10 sec) It may work if want to try.
I believe can not use any Windows installed under VM or emulated. USB port is discovered and correct driver launched quickly. Probably no time to do USB forwarding to VM from native OS. If you don't know VMs or what all this means. Just ignore. Use a native Windows installed laptop.
Install Drivers
From the downloaded file, run Driverinstall with admin privilege (not sure if necessary). Installation will ask if want to remove USB drivers. Click Okay (Its only removing previously installed Flash Tool drives, doesn't touch any other USB drivers) Let it finish and reboot Windows.
I had to prompt the installation with return key a couple of times to get it to finish.
Unpack flash_tool
Just unzip the AutoChips_Flash_Tool_Release_20190217 folder until you see flash_tool.exe
Run the flash_tool
run flash_tool.exe with admin privilege (again not sure if necessary). It will complain no scatter file. Just okay it and get it launched.
Select the Download Agent
Choose the file MTK_AllInOne_DA.bin in the same folder as flash_tool for Download Agent. Ignore the other fields in this pic. They are for choosing recovery partition described in next post.
Thats it. You are ready to flash
WARNING
Use Download Only. Neverever do format as this will erase entire HU's flash memory including IMEI #s. if the tool prompts you to format, quit and avoid it. Only choose to Format flash if actually necessary such as updating to new firmware partition structure AND familiar with IMEI and app activation code recoveries. More info here
YT5760B_AC8259 - Brick Recovery (google.com) -
4i did it !!! i did it !!! my radio works!! to much people with this problem and i found the solution trying bored files from xygala, i was bored, i downloaded all the files in that drive 1 by 1.. seems it’s a driver for lg screens, i will edit this to make a tutorial, but i need help to do it, my english is not so good3Late Feb release of an xyauto UI is pretty good. Has maps (I use with google maps app with offline maps), radio, HU music player, a fixed app launch icon pane (left vertical) and a user changeable app launch icon pane (lower bottom) all on one screen.
Generally quite nice. google maps has voice input search, auto dark mode at night while navigating (none navigation mode unfortunately stays in day mode) map will be always north up while driving without navigation route.
patch file link Note this seems to be for 1024x600 screen only. Didn't see it in other resolution folders.
Mode switching is a bit mysterious (I have a steering wheel button programmed to switch modes). In the old default UI, mode switch with switch between currently running apps. Seems to do nothing on this UI while being displayed.
This launcher provide everything I use so no need to fiddle with the HU much. Just power on the car and drive. The useful features are
- FM radio (wife listens to this and its her car)
- Maps always displayed and track your position smoothly (Seen other launchers with map. Position only update every second or so, very jerky display). Google maps fixed to north up unless navigating. Voice input destination via mic icon on google maps search bar. Maps always in bright color mode (quite bright at night but area is not entire screen) Navigation will auto change to dark mode at night.
- BT works if setup to auto pair. Incoming calls pops up on screen. Can voice command out going calls with iPhone easily. Just say "siri call xxx" with iPhone mic able to hear you. iPhone looks up your contact and dials while connecting to HU's BT for speaker/mic sound.
- Music player will play all music files in the system/USB stick.
- Color choices are nice. Colorful but background is dim for night time use. Only issue is google maps none navigation mode display stays bright. Other nav software might handle this better.
- Google maps generally likes portrait displays like a phone. This horizontal smaller window sometimes hide the next driving intersection change behind the green direction box on top. Not too big of a problem.
- Left column icons are not changeable. Bottom row is user changeable.3I have recorder a video with the YT5760B system upgrade. It takes about 5 minutes to complete. In the attached ZIP file you can find the video.3The XYgala.com has released another newer 1.73.7 split screen firmware (release date 28 October).
And UI20 add-on pack has also been updated, it made adding the app to main screen bit easier.
The new firmware updated the Zlink to ver 3.9.43, which causes sound/music distortion when using Carpaly.
At least this problem appeared on my HU.
if you are having the same problem, you can install zlink ver 3.9.27 from my previous post.3
Just installed 1.73.6 on 5760B 1024*600, didn't wipe user data.
Actually, I forgot and left 1.73.3 (don't recall if it was 5/24 or 7/25 version) on the USB stick w/1.73.6 and 1.73.3 got installed which wiped my user data. But then I installed 1.73.6 over this without wiping user data.
Biggest change I notice is just the 2x boot up pop sound is gone. So maybe xyauto have more orderly sound hardware initialization now
