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Old 06-14-2023, 07:46   #1 (permalink)
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Need Help FRP Lock P20 Lite


Hello,

I'm trying to fix a Huawei P20 Lite (ANE-LX1) with some sw (or hw) problem and I'm struggling to unlock FRP to be able to re-write a firmware on it. With the testpoint mode I was able to unlock BL but not the FRP lock.
These are the info by HCU:

Bootloader FB lock: unlocked
Bootloader User lock: locked

2023-06-13 15:21:37.853 Repairing...
2023-06-13 15:21:37.862 Erase Huawei ID success!
2023-06-13 15:21:37.889 Write partition oeminfo...
2023-06-13 15:21:51.070 Write partition oeminfo fail! , Fastboot command fail!
2023-06-13 15:21:51.081 Write partition fail!

What I'm wrong?
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Old 06-14-2023, 09:38   #2 (permalink)
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It asks you to log in with a google account when you boot up the phone?
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Old 06-14-2023, 10:09   #3 (permalink)
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Quote:
Originally Posted by Namelocked View Post
It asks you to log in with a google account when you boot up the phone?
The device can't boot. It's locked on the "Your device has been unlocked and can't be trusted" but doesn't boot.
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Old 06-14-2023, 10:12   #4 (permalink)
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Doing FRP unlock won't change the FRP lock status on fastboot screen it just removes the Google account from the device. You may try to flash nv partition backup from support area for your phone and then attempt the same service otherwise you may need to flash it from scratch with the board software.
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Old 06-14-2023, 10:21   #5 (permalink)
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Quote:
Originally Posted by Namelocked View Post
Doing FRP unlock won't change the FRP lock status on fastboot screen it just removes the Google account from the device. You may try to flash nv partition backup from support area for your phone and then attempt the same service otherwise you may need to flash it from scratch with the board software.
Do you have any suggestion on how to proceed? Because the recovery mode doesn't work too. Tested through TP but doesn't work too. Seems something corrupted. I managed also to do a full EMMC backup to avoid any EMMC hardware damage.
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Old 06-14-2023, 12:49   #6 (permalink)
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If flashing stock rom does not work then you can only attempt to flash board software, if the phone boots into the factory home screen with a few work apps then it's okay and the phone surely can be revived, otherwise it may be a board replacement.
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Old 06-17-2023, 19:19   #7 (permalink)
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first make test point then connect it and correctly select the kirin version
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