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Help for TWRP Umidigi A3 Pro N

Help for TWRP Umidigi A3 Pro N

ViperPsycho
ViperPsycho
ViperPsycho
Newbie
3
20-10-2021, 11:05 PM
#1



Hi, I'm trying to install twrp with no results on Umidigi A3 Pro N
Here are the features of the smartphone:
- A3 Pro N 3/16 gb
- Android 9
- aarch64 CPU (MT6939WW)
If anyone would be kind enough to help me out, I tried the firmware downgrade as well but the phone won't boot. The twrp do not want to start because the firmware is not compatible, I do not know if I can and how to downgrade. View photo please and help me
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X3non
X3non
X3non
Recognized Contributor
22,062
21-10-2021, 10:50 AM
#2
(20-10-2021, 11:05 PM)ViperPsycho Hi, I'm trying to install twrp with no results on Umidigi A3 Pro N
Here are the features of the smartphone:
- A3 Pro N 3/16 gb
- Android 9
- aarch64 CPU (MT6939WW)
If anyone would be kind enough to help me out, I tried the firmware downgrade as well but the phone won't boot. The twrp do not want to start because the firmware is not compatible, I do not know if I can and how to downgrade. View photo please and help me

is the bootloader of the device unlocked?
did you flash empty vbmeta before flashing twrp?
how did you even get the twrp you flashed?
flash back stock recovery and confirm that you can boot into recovery mode
ViperPsycho
ViperPsycho
ViperPsycho
Newbie
3
21-10-2021, 12:05 PM
#3
(21-10-2021, 10:50 AM)X3non
(20-10-2021, 11:05 PM)ViperPsycho - Yes the bootloader is unlocked.
- No I have not flashed the vbmeta as the smartphone does not have the vbmeta partition as I checked with 'fastboot getvar all'. I have read that the MT6739 does not have a vbmeta partition, and I have read that just flashing the boot.img patched with Magisk to disable dm-verity. And so it was, because I also changed the logo.bin which requires dm-verity disabled.
- Yes, if I flash the stock recovery it starts perfectly, if instead I try to start the twrp, it stops 3 seconds on the "Recovery" "fastboot" and "Normal" screen after which it restarts normally.

is the bootloader of the device unlocked?
did you flash empty vbmeta before flashing twrp?
how did you even get the twrp you flashed?
flash back stock recovery and confirm that you can boot into recovery mode
ViperPsycho
ViperPsycho
ViperPsycho
Newbie
3
21-10-2021, 04:29 PM
#4
I tried 2 twrp today, they start but freeze
hovatek
hovatek
hovatek
Administrator
49,570
22-10-2021, 08:50 AM
#5



(21-10-2021, 04:29 PM)ViperPsycho I tried 2 twrp today, they start but freeze

This has been handled via Private Support I believe

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