Junsun V1 Pro (MTK8259/MTK8257) - firmware

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marcanpaolo

Member
Jul 28, 2008
41
0
Kinda runs better on app loading and call answering.
New feature that I noticed is ability to adjust waze volume individual to other apps like youtube music.



The usb drive must be Fat32 formatted. If you cannot install v3 over what you have, try installing v1 first.
Thanks for the reply, I tried 3 usb trutte formatted fat32, downloaded firmware 4 times but the result is always the same.

the firmware and this 8667Q 军 灿 UI02- 国外 -VHD720x1280_v13_20220510
 
Thanks for the reply, I tried 3 usb trutte formatted fat32, downloaded firmware 4 times but the result is always the same.

the firmware and this 8667Q 军 灿 UI02- 国外 -VHD720x1280_v13_20220510

The firmware you are trying to flash is not for the device in this thread.
you need firmware that is for 8259P (ex 8259P_军灿UI02v1280x720-国外11_v3_20220422, see this thread for download links)
 

DITX

New member
Jun 25, 2022
3
0
Hi,
I have Junsun M810D 1G+16G.
someone help me if there is the flash drive files for latest firmware version on this model?
 

candy bar

New member
Mar 25, 2018
1
0
Just received update files for 6/128 MTK-8259 on a head unit for BMW E90. It contains 3 files, the largest being the system file with the other two being BMW specific for the Can Bus and MCU (iDrive functionality). The system file is dated Jan 8 2022. Google Drive Link to Files I have yet to install the updates but will post again once I do and let you know how it all went. In the link as well is the instructions for the system file update. If you happen to have a BMW with a CCC, CIC or NBT system follow the system update instructions first, then do the CAN update and finally the MCU update. Anyone else just use the system file and instructions. FYI I'm using a FAT 32 formatted thumb drive.

Hi there.
I have a 825x pro 6gb 128 on my bmw e90 without any original display.
Is this update ok for my unit?
The resolution or how the apps are drawing it's not ok because at the bottom on the screen the buttons for example for youtube it does not show correctly. If anybody now if an update will fix it, or if there is an option to configure it, i would appreciate it. Thank you!
 

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whigga

Senior Member
Apr 7, 2009
66
15
View attachment 5633475
I got the update from Xonrich for my F48

8259P_宝马UI02v1920x720-国外11_v15_20220330.zip 查看/下载

the link is only valid for 30 days! maybe someone else can upload the update somewhere else?



They sent me the update because I still have a problem with the display of the NBT system. No matter which setting I make, a part of the picture is always missing on the right side. Does anyone know if there is a suitable update from another manufacturer?

Hi, just curious do you still have the update file? The link unfortunately doesn't work anymore. Is there possible a way you could still upload the file (google drive, dropbox)?
Desperate to get an update for my device.
thank you!
 

whigga

Senior Member
Apr 7, 2009
66
15
Latest update file is from April. Why are you looking for the March update?

Because his file is for 1920x720 device:

8259P_宝马UI02v1920x720-国外11_v15_20220330.zip

Yours is for 1280x720 device

8259P_军灿UI02v1280x720-国外11_v3_20220422

I have updated my device with this 1280x720 firmware and now the image is completely streched.

screenshot.jpg


So I need the firmware for the 1920x720 devices.
Unless you know how to change this in settings? I have not found any option to change it...
 

whigga

Senior Member
Apr 7, 2009
66
15
I also have another question:

I bought the device and it was advertised to have wireless CarPlay.

After lots of communication with the seller, it turned out that I first had to ‘enable’ the Autolink app in the ‘8878 factory settings’ > ‘other’ menu. This wasn’t very difficult.
I then had to activate the Autolink app by entering an activation code.
I managed to do all of that, but wireless CarPlay did not work.
The Autolink app gives the following error:
“Err: no mfi chip”

Following communication with seller it turns out my device does not have the required chipset soldered on the device’ motherboard.
They offered to send me the chip so I can solder it myself.
I neither have the tools nor the expertise to do that, so I declined that offer.

Then they said I could still use wired CarPlay.
But the problem is the app needed to do that (PhoneLink) is nowhere to be found on the device anymore. It somehow disappeared after I had enabled the Autolink app. And I remember it hadn’t worked either before I tried to get the wireless Autolink CarPlay to work.

I’m pretty clueless on what to do now? The primary reason for buying this device was to use CarPlay (wireless or wired -I don’t really care)…

This is why I was looking for the firmware update hoping it could maybe be the solution for my problem.

Should I return the device?

Any ideas or help are very welcome!
 
Last edited:

TorstenH

Senior Member
Feb 20, 2021
779
176
Because his file is for 1920x720 device:

8259P_宝马UI02v1920x720-国外11_v15_20220330.zip

Yours is for 1280x720 device

8259P_军灿UI02v1280x720-国外11_v3_20220422

I have updated my device with this 1280x720 firmware and now the image is completely streched.

View attachment 5658691

So I need the firmware for the 1920x720 devices.
Unless you know how to change this in settings? I have not found any option to change it...
Check file /vendor/build.prop and replace all entries with 1280 (I think there are two) with 1920.
 

junlung

New member
Jul 14, 2022
4
0
Hello, does the pressure control somehow working with the Junsun Radio ? i mean like .. reset the "rdks" ?
"VW GOLF 7 2013"
 

TorstenH

Senior Member
Feb 20, 2021
779
176
then if you wouldn't mind explaining me how to do this, or PM me instructions?
Install Remote Adb Shell from Google PlayStore on your smartphone.

1. Connect your head unit to wifi hotspot of your phone
2. Get the IP address of your head unit in wifi settings of your head unit
3. Connect to IP adress via Remote Adb Shell
4. Enter command to get su rights:
su @#zxcvbnmasdfghjklqwertyuiop1234567890,.

5. Enter command to get readable /system and /vendor partition:

This will kill your adb session - just reconnect.

6. Further steps depending on what you want to do. Be careful.

A.1 Copy /vendor/build.prop to Download folder:
cp /vendor/build.prop /storage/emulated/0/Download

Now you can edit the file with an editor of your choice. I use editor of MiXplorer.

A.2 Overwrite /vendor/build.prop
cp /storage/emulated/0/Download/build.prop /vendor

Reboot
 
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Askarxat

Member
Jul 14, 2022
5
0
Hello guys,
I have a problem with my Android Head unit and I have to ask if someone can help me.
I tried to install the latest firmware, but it didn't work. Now I am not able to use the radio any more, the screen is blocked with my car's logo.
I have tried to install different versions, but it says: "Failed, check USB and files" .
Is there a way to go to recovery mode and install the full android version??
Thanks in advance
 

TorstenH

Senior Member
Feb 20, 2021
779
176
Hello guys,
I have a problem with my Android Head unit and I have to ask if someone can help me.
I tried to install the latest firmware, but it didn't work. Now I am not able to use the radio any more, the screen is blocked with my car's logo.
I have tried to install different versions, but it says: "Failed, check USB and files" .
Is there a way to go to recovery mode and install the full android version??
Thanks in advance
Please try with another USB device first. Take an old USB stick with less capacity or a SD card reader with USB plug.
 

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