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[Completed] [Q] Witson Make Android 4.2.2 In dash car DVD player with GPS Model No. W2-A7515

I S.Ayub Miah, I am from Andhra Pradesh, India. I bought Witson Make Android 4.2.2 In dash car DVD player with GPS Model No. W2-A7515. Installed in my Maruti Suzuki SX4 2013 vehicle.
After Installation of unit I noticed that the following features are functioning well the details are as follows:
1. Bluetooth : Working Good
2. Music : Working Good
3. DVD (Video) : Working Good
4. Touch Screen : Working Good
5. Steering Wheel Controls : Working Good
6. USB : Working but some times un-mount unexpectedly and after lapsing of ½ hour
working
7. SD Card : Working Good
8. Wifi : Working Good
9. Radio : Working Good
10. Reverse Camera : Working Good
11. Navigation : Working Only IGO Primo with india maps Q3 2013.
Problems :
1. Lot of applications are not supported in google play stores the information displays as “your device isn't compatible with this version”
2. I tried to install sygic app my device hangs after installing
3. I tried to install tomtom app after installing the apk file my device says that contacting the tomtom and try again I several times hit the try again button but not working this app.
4. I tried to search several applications like mapmyindia “Navimaps” but google play stores says that “your device isn't compatible with this version”
Settings / About Machine :
MTCB-KGL4-V2.01
Aug 18 2014 15:00:42
Model Number
S07
S/N
000D18A15600
Android Version
4.2.2_20140818
Kernel Version
3.0.36+
[email protected]#820
Fri Aug 8 15:53:38 CST 2014
Build number rk30sdk-eng4.2.2 20140818.15:14:44
I request you to please provide solution with tutorial and files to me to rectify the problems of google play store isn’t compatible, sygic apk installation, tomtom apk installation so as to enable me to use better GPS applications

Hi,
I can't find anything relevant on XDA for your device. You will need to ask for help here,
> Android Development and Hacking > Android Q&A, Help & Troubleshooting
Good luck!

SOLVED Help needed please Pumpkin AE0273B px5 RAM 4GB ROM 32GB

I have just bought this unit and everything worked fine out of the box until i touched the factory settings and now bluetooth will not work
I have tried to get into rcovery settings and suceeded and did a fully factory reset and cache wipe but it does not seem to be a full genuine reset as when it reboots it still shows the logo i selected in the settings.
my units info is
Model: px5
Android Version: 8.0.0
Android security patch level: October 5th, 2017
Kernel Version: 4.4.93+
[email protected] #108
Thu Jan 25 17:07:43 CST 2018
Build number: px5-userdebug 8.0.0.OPR5 170623.007 eng hct 20180126 120432 test keys
MCU version: MTCE_KLD_V2.78_1
Jan 16 2018 19:19:56
CPU: 8 core 64-bit CPU Coretex-A53 @ 1.5G
Memory: 3891 MB
I tried MD725 (which i am almost sure it was originally) and SD968 i have also tired the parrot setting and bc8 and bc6 but after they are all applied the unit requests a reboot which it does, then nothing. the bluetooth searches but finds nothing and the phone keeps saying that there is a request from the car kit but if i pair then try to use the phone there is no sound and nothing shows on the head unit as connected. i am at my wits end.
Help someone please
===============Original factory setting is bc5 - problem now solved====================

PX5 - Downgrading Android 8 to 6 - update.zip needed

Hi all. I have a KGL unit with Oero 8 currently installed. My bluetooth module doesn't work so I'd like to downgrade. I've created and booted into an Android 6 recovery SDCARD and am ready to install an Android 6 ROM.
I'm probably being an idiot here but I can't seem to find a suitable update.zip to use - all ROMs I can find are update.img. Anyone point me to a suitable update.zip file?
Thanks in advance
**Edit - Nevermind - it wasn't booting from the SDCARD. Fixed now **

PX5 Assert Failed: update _dynamic partitions... when flashing ROMs (Help Request)

Hey guys,
The title says it all. When trying to flash ROMs, I get an error saying= assert failed: update_dynamic_partitions(package_extract_file("dynamic_partitions_op_list")) E:error in /mnt/usb_storage/update.zip (status 7) Installation aborted.
Recovery version: HCT 10.3.0 rockchip/rk3368/rk336810/QQ2A.200305.004.A1/hct206241158userdebug/test-keys
PX5 Head Unit 4GB Ram Android 10 HCT the latest
I have 5 people and a couple of friends from XDA suffering from the same problem. We all have px5 devices that were originally android 8.0.0, which we updated to android 10 using ModInstaller Pro.
The ROMs we are trying to flash are updated HCT ROMs(stock), Malaysk or VIVID. All exhibit the same problem.
I had an idea to remove the assert update_dynamic_partitions(package_extract_file("dynamic_partitions_op_list")) from updater.script but I don't know what it does really. Dynamic partitions are a new thing for me. We do not have OTG support so if it gets bricked its game over.
Steps followed: Format Usb flash drive with fat32 filesystem (I tried 2 tested and working ones, one new).
Put update.zip in it.
Boot the head unit and click wipe data and install when it pops up.
We always get the same error.
Any help is truly appreciated.

Try Mr. Hanichl procedure # 347:
>> Revert to Android 9 from Android 10
>> ModInstaller : Android 9 && install Hal9K Android 9
>> ModInstaller: Android 10 && install Malaysk Lite 10
[ROM][PX5][Q][10.0] Malaysk ROM for PX5 RK3368 with Android 10
Only for devices processor Rockchip PX5, MCU - MTCD, MTCE Android 10.0 ! Mod Q 10.0 Android PX5 RK3368 For PX6 RK3399 mod 10 android is HERE Only for those who have 10 android installed, a PX5 processor and have an installed MCU that starts with...
forum.xda-developers.com

boltthrower56 said:
Hey guys,
The title says it all. When trying to flash ROMs, I get an error saying= assert failed: update_dynamic_partitions(package_extract_file("dynamic_partitions_op_list")) E:error in /mnt/usb_storage/update.zip (status 7) Installation aborted.
Recovery version: HCT 10.3.0 rockchip/rk3368/rk336810/QQ2A.200305.004.A1/hct206241158userdebug/test-keys
PX5 Head Unit 4GB Ram Android 10 HCT the latest
I have 5 people and a couple of friends from XDA suffering from the same problem. We all have px5 devices that were originally android 8.0.0, which we updated to android 10 using ModInstaller Pro.
The ROMs we are trying to flash are updated HCT ROMs(stock), Malaysk or VIVID. All exhibit the same problem.
I had an idea to remove the assert update_dynamic_partitions(package_extract_file("dynamic_partitions_op_list")) from updater.script but I don't know what it does really. Dynamic partitions are a new thing for me. We do not have OTG support so if it gets bricked its game over.
Steps followed: Format Usb flash drive with fat32 filesystem (I tried 2 tested and working ones, one new).
Put update.zip in it.
Boot the head unit and click wipe data and install when it pops up.
We always get the same error.
Any help is truly appreciated.
Click to expand...
Click to collapse
There are threads for paid roms and support via the mod, what does the developer suggest when approached for paid support.
If paid app fails and developer is unable to support, have free, factory methods such as OTG been tried.
Also, this isn't software development, requesting mod moves to q&a forum.

How to update past Android 8.0 (Hal9K Rom)? PX5

Its been a while (a long while) since I messed with my android unit and the last update I did was going from android 6 to hal9k rom using the mod installed pro I bought from his site.
My unit is one of those that has the sd card slot but doesnt work for booting to update.
I know that I may pay 11EUR (I have the discount since I purchase it once) and get the mod installer pro 2 and with that, boot to recovery for android 9 or 10
But since I have time (will take the unit out of my car to sell it, cause I am replacing with a UIS7862 one) on my bench, what is a proper guide on how I can do that?
I imagine my only option (without paying) would be the OTG? I may have the cable somewhere since I bricked my unit more than once in the past.
Thanks in advance!

Hello, your topic is here:
[MTCD/E] Android 10 upgrade using official Free tools
To upgrade a MTCD/E PX3, PX5, PX6 from Android 6+ on using official Rockchip free tools - a reminder, bringing together multiple threads. First note - if coming from Android 6 - early versions of Realtek dual BT/WIFI (type 2) are not supported...
forum.xda-developers.com
Here is a good video tutorial:
If usb won't work, then another method is here:
[PX3 & 5] [OTG] - No Headunit Mod, recover or flash a SOM with a simple USB cable
"Factory" Recovery for MTCx PX3, PX5 and PX6 SOM. Finally - OTG for all without modifying your head-unit. With only basic electronic/soldering skills, get OTG and fearlessly flash or recover a 'bricked' MTCD/E (HCT printed on SOM) Rockchip PX3...
forum.xda-developers.com
Above all, make sure you have suitable bluetooth, but there is a solution:
Android 10 upgrade - MD725 to RF210 BT module swap
For users with MD725 Blue wanting to upgrade to Android 10, a potential BT module swap may now be possible. A supplier found here: https://a.aliexpress.com/_msfMaoV update 11/21 - can be installed in any unit. Only the RX, TX and supply are...
forum.xda-developers.com
Good luck.

Pavel-71 said:
Hello, your topic is here:
[MTCD/E] Android 10 upgrade using official Free tools
To upgrade a MTCD/E PX3, PX5, PX6 from Android 6+ on using official Rockchip free tools - a reminder, bringing together multiple threads. First note - if coming from Android 6 - early versions of Realtek dual BT/WIFI (type 2) are not supported...
forum.xda-developers.com
Here is a good video tutorial:
If usb won't work, then another method is here:
[PX3 & 5] [OTG] - No Headunit Mod, recover or flash a SOM with a simple USB cable
"Factory" Recovery for MTCx PX3, PX5 and PX6 SOM. Finally - OTG for all without modifying your head-unit. With only basic electronic/soldering skills, get OTG and fearlessly flash or recover a 'bricked' MTCD/E (HCT printed on SOM) Rockchip PX3...
forum.xda-developers.com
Above all, make sure you have suitable bluetooth, but there is a solution:
Android 10 upgrade - MD725 to RF210 BT module swap
For users with MD725 Blue wanting to upgrade to Android 10, a potential BT module swap may now be possible. A supplier found here: https://a.aliexpress.com/_msfMaoV update 11/21 - can be installed in any unit. Only the RX, TX and supply are...
forum.xda-developers.com
Good luck.
Click to expand...
Click to collapse
Thanks,
My Unit is old af (came with android 6) so it doest have OTG via usb.
I unbricked using OTG with cable directly on the SOM so I think this will be only option aside from modinstalller.