AC8257 base unit - new Firmware + MCU update with Android 11 & Android Auto wireless
- Thread starter noiwid
- Start date
managed to downgrade using sp flahs to firmware KC1G0101-PE3-2.1..2_20220307_234121
now fastboot works yay!!! but now i dont have wireless android auto
i did try the IL1G01B4-P20-2.1.2.0.2_20220524_100849 firmware but fastboot didnt work with that
hoping a firmware gets released that fastboot and wireless android auto works in
now fastboot works yay!!! but now i dont have wireless android auto
i did try the IL1G01B4-P20-2.1.2.0.2_20220524_100849 firmware but fastboot didnt work with thathoping a firmware gets released that fastboot and wireless android auto works in
Hello mate,Hi,
After struggling hard to find how to update my unit (what doesn't seems possible with USB key in my case ; only with a MicroSD card), I finaly did it.
This new system is Android 11 based, and allow to connect to Android Auto wireless, sounds good uh?
My unit is AC8257 based, and has 8 core, 64 GB ROM, 4 GB LPDDR4 RAM @ 1024x600, but the upload also contains 800x600 & 1280x720px, there is .BAT files that make easyier to pick up the good Android_scatter file.
Here is where I come from first :
View attachment 5657323
And here is where I am now :
View attachment 5657325
Below, a picture of the app/system that detect that my phone is close by and ready to pair with Android Auto. I first had to connect it with wire to show him the way. It now seems automatic.
View attachment 5657327
You can find this wonderfull new firmware here (dated : 20220513), along with the MCU update : https://www.dropbox.com/sh/k2dotip66u7iekg/AAA69Z_ujnTZQMai5TbPXAbma?dl=0
8257升级教学（新）.MP430/06/2022 09:40
B200 wifi 1024x600 2022.05.13 ATCUPG.zip02/06/2022 10:37
mcu_202206071001BD2-1559.upd
I hope this will help
Do you have any pictures of the new UI?
Also how is the overall performance, better/worse? Is the google maps still laggy?
Hi can you please share the link for this firmware you used. Thanksmanaged to downgrade using sp flahs to firmware KC1G0101-PE3-2.1..2_20220307_234121
now fastboot works yay!!! but now i dont have wireless android auto
hoping a firmware gets released that fastboot and wireless android auto works in
got the link from this page
got the link from this page
I'm on this first version of Android 11 and still find Google maps to be slower than my px5. Other than that I like the upgrade even if it didn't fix anything that wasn't working for me with the stock android 10 firmware.
I'm running the first android 11 firmware from the beginning of this post and I'm still having a bit of trouble getting things the way I would prefer. Can anybody suggest fixes for the following problems.
1. I would like the hotspot to not automatically turn on after boot up, I have no need for it as I use a portable wifi broadband modem in my car for every device. I've tried setting the option to not connect if no devices connected but I still have to turn the hotspot off to get wifi on.
2. I don't won't the display to automatically dim when I turn on my headlights. I find it a strain to read the screen when brightness isn't on full. I've tried the option in factory settings about the headlight but doesn't seem to do anything.
3. The 3rd party accessibility services for other apps keep getting automatically disabled. I've disabled Duraspeed and I've tried with it enabled but adding exceptions for those apps but they keep getting disabled after a period of time. Often after the screen comes back on.
Any suggestions would be greatly appreciated
1. I would like the hotspot to not automatically turn on after boot up, I have no need for it as I use a portable wifi broadband modem in my car for every device. I've tried setting the option to not connect if no devices connected but I still have to turn the hotspot off to get wifi on.
2. I don't won't the display to automatically dim when I turn on my headlights. I find it a strain to read the screen when brightness isn't on full. I've tried the option in factory settings about the headlight but doesn't seem to do anything.
3. The 3rd party accessibility services for other apps keep getting automatically disabled. I've disabled Duraspeed and I've tried with it enabled but adding exceptions for those apps but they keep getting disabled after a period of time. Often after the screen comes back on.
Any suggestions would be greatly appreciated
Is there any changes at all from stock android 10 to the first version of android 11? I am in the same situation here as i come from a px5 also and was under the illusion this was on parr with a px6 model, i was greatly mistaken. Refund is no longer an option for me.
Success!!!! I have fastboot and wireless android auto working 
Current firmware info is attached and used this firmware
Now I did when I first downgraded I had to format all + download in spflash to a previous firmware then I did this one and it all works now
Current firmware info is attached and used this firmware
Now I did when I first downgraded I had to format all + download in spflash to a previous firmware then I did this one and it all works now
How did you upgraded to this one through USB or flash tool. Did you updated MCU also? ThanksSuccess!!!! I have fastboot and wireless android auto working
Current firmware info is attached and used this firmware
Now I did when I first downgraded I had to format all + download in spflash to a previous firmware then I did this one and it all works now
Used spflash to downgrade using format all + download, which fixed the fastboot issue but I missed having wireless android auto so I decided to upgrade again using spflash and now fastboot and wireless android auto work
Hi I did it with USB drive and all working ok. Thanks for the link and reply. Let us make our life more easy by helping each others. Cheers
Glad it's working for you now aswell, I thought about doing it via USB but had the laptop in the car and spflash faster
Hi I have 4 cameras for 360 view. If I select AVM apk it says I need to activate. There is qr code in setting n about page I tried to scan it but nothing happens. Connected the head unit to hotspot but still no luck. Can you or anyone help me. Thanks
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2My supplier has sent me these update files as a fix for an issue with new head units that are shipped with Android 12. If anyone is considering buying a new unit please be aware that the Android 12 head units appear to have a bug or flaw in the firmware. The touch calibration and programming of the side buttons are not preset and while rebooting the unit in the first 24 hours or so causes no issues when you reboot the unit days later all of these settings stop working and reprogramming them doesn't seem to save it successfully.
The mcu file is dated February 1, 2024.
The B200 firmware file is dated March 11, 2024.
I won't have time to install it until this weekend. I'll report back once I have otherwise if anybody else uses it please let us know.
UPDATE: I got home early enough to install it this afternoon. It's an Android 13 image (API 33 according to aida64). It should fix my issue because I noticed in the touch learning section there are presets saved in this version, like there has been with my other older versions.
Only noticeable difference on first glance is that I think the ACC power off options now has a 30 minute and 1 hour option. I'm pretty sure all previous options I've seen has 2 days as the shortest. -
3Hi,
After struggling hard to find how to update my unit (what doesn't seems possible with USB key in my case ; only with a MicroSD card), I finaly did it.
This new system is Android 11 based, and allow to connect to Android Auto wireless, sounds good uh?
My unit is AC8257 based, and has 8 core, 64 GB ROM, 4 GB LPDDR4 RAM @ 1024x600, but the upload also contains 800x600 & 1280x720px, there is .BAT files that make easyier to pick up the good Android_scatter file.
Here is where I come from first :
And here is where I am now :
Below, a picture of the app/system that detect that my phone is close by and ready to pair with Android Auto. I first had to connect it with wire to show him the way. It now seems automatic.
You can find this wonderfull new firmware here (dated : 20220513), along with the MCU update : https://www.dropbox.com/sh/k2dotip66u7iekg/AAA69Z_ujnTZQMai5TbPXAbma?dl=0
8257升级教学（新）.MP430/06/2022 09:40
B200 wifi 1024x600 2022.05.13 ATCUPG.zip02/06/2022 10:37
mcu_202206071001BD2-1559.upd
I hope this will help2My supplier has sent me these update files as a fix for an issue with new head units that are shipped with Android 12. If anyone is considering buying a new unit please be aware that the Android 12 head units appear to have a bug or flaw in the firmware. The touch calibration and programming of the side buttons are not preset and while rebooting the unit in the first 24 hours or so causes no issues when you reboot the unit days later all of these settings stop working and reprogramming them doesn't seem to save it successfully.
The mcu file is dated February 1, 2024.
The B200 firmware file is dated March 11, 2024.
I won't have time to install it until this weekend. I'll report back once I have otherwise if anybody else uses it please let us know.
UPDATE: I got home early enough to install it this afternoon. It's an Android 13 image (API 33 according to aida64). It should fix my issue because I noticed in the touch learning section there are presets saved in this version, like there has been with my other older versions.
Only noticeable difference on first glance is that I think the ACC power off options now has a 30 minute and 1 hour option. I'm pretty sure all previous options I've seen has 2 days as the shortest.22
you cannot install Zlink as they dont have the license for it, you can install it and pay for it if you wish but the phonelink app works well, you can force it ti work by going to settings-general-Carplay
and if you want android auto wireless you can open wireless Qlink2
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