I would like to switch / try out the official Xiaomi MIUI Global Rom (and see if my issues are fixed). I currently own Chinese Mi 11 Ultra with Xiaomi.EU MIUI 13 v21.1.13.
I would like to know if :
- Is it possible to make a FULL backup of my current Xiaomi.EU ROM with all data and everything else? TWRP recovery is still not available AFAIK, otherwise it would be easy.
- Will I have issues downgrading to Xiaomi MIUI EEA Rom V12.5.11.0.RKAEUXM using Xiaomi's official guide? I know I need to "Xiaomi Flash seems to lock the bootloader, so uncheck the option before flashing a Global ROM (again, it would brick the phone !)"
- After downgrading to EEA ROM, will I be able to simply restore the backup from above? Or will I need to do something special?
- I have root and have up-to-data backups of all my apps in the cloud using Swift Backup. But it's not the same as having full backup.
- Android Wireless keeps disconnecting. Seemes like the phone either keeps killing the WiFi for a split second when the phone changes cellular data or just keeps putting Android Auto to sleep. The issue has been reported multiple times by many users but there is no solution.
- Wired Android Auto just doesnt work. The phone keeps popping up with use cable for changing / Data Transfer (Android Auto) popup repeatedly and non-stop.
- Additionally I have issues with apps not picking up any sound from the microphone, often happens with voice messages.
- Phone refusing to switch on Mobile Data eventhough I have full signal. Only a reboot helps.
The issue is 100% with my device/MIUI as the stereo in my car was tested with a number of different phones including Xiaomi Mi 11 Lite 5G running official EEA rom without any issues. I tried multiple wipes and fresh installs of Xiaomi EU but always getting same issues.
I would like to know if :
- Is it possible to make a FULL backup of my current Xiaomi.EU ROM with all data and everything else? TWRP recovery is still not available AFAIK, otherwise it would be easy.
- Will I have issues downgrading to Xiaomi MIUI EEA Rom V12.5.11.0.RKAEUXM using Xiaomi's official guide? I know I need to "Xiaomi Flash seems to lock the bootloader, so uncheck the option before flashing a Global ROM (again, it would brick the phone !)"
- After downgrading to EEA ROM, will I be able to simply restore the backup from above? Or will I need to do something special?
- I have root and have up-to-data backups of all my apps in the cloud using Swift Backup. But it's not the same as having full backup.
Reasons for switching back (Don't need to read this):
Eventhough I like majority of Xiaomi.EU ROM, I am constantly having issues with Android Auto (Wired and Wireless) and have had the issues for months. It seems like the issues are affecting a lot of Mi 11 Ultra users and there is no solution. Specifically:- Android Wireless keeps disconnecting. Seemes like the phone either keeps killing the WiFi for a split second when the phone changes cellular data or just keeps putting Android Auto to sleep. The issue has been reported multiple times by many users but there is no solution.
- Wired Android Auto just doesnt work. The phone keeps popping up with use cable for changing / Data Transfer (Android Auto) popup repeatedly and non-stop.
- Additionally I have issues with apps not picking up any sound from the microphone, often happens with voice messages.
- Phone refusing to switch on Mobile Data eventhough I have full signal. Only a reboot helps.
The issue is 100% with my device/MIUI as the stereo in my car was tested with a number of different phones including Xiaomi Mi 11 Lite 5G running official EEA rom without any issues. I tried multiple wipes and fresh installs of Xiaomi EU but always getting same issues.
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