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Hovatek Forum OPERATING SYSTEMS Android [Please help] Oukitel based on Unisoc chip: is it possibile to fastboot boot from a custom image?

[Please help] Oukitel based on Unisoc chip: is it possibile to fastboot boot from a custom image?

[Please help] Oukitel based on Unisoc chip: is it possibile to fastboot boot from a custom image?

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Rigacci.Org
Rigacci.Org
Rigacci.Org
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25-08-2025, 04:42 PM
#1



I tried to root an Oukitel G2 smartphone, which is based on the Unisoc T606 chip. I tried the procedure based on the script signidentifier_unlockbootloader.sh, which uses the identifier token provided by fastboot and an Oukitel leaked RSA key:

Code:

./signidentifier_unlockbootloader.sh 473230303030303030303036353835 rsa4096_vbmeta.pem signature.bin

Unfortunately flashing the signature.bin file obtained in that way does not work (I used the required modified fastboot binary):

Code:

./fastboot flashing unlock_bootloader signature.bin 2downloading 'unlock_message'... OKAY [  0.001s] unlocking bootloader... FAILED (remote: Unlock bootloader fail.)

May be this phone is locked with a different rsa4096_vbmeta.pem key.

Does anyone know if it is possibile to boot using fastboot and a custom kernel image?
I extracted the boot-gki.img file from the ROM image, then I patched it using Magisk 26.4 (patching seems successfully), ten in bootloader mode I executed:

Code:

fastboot boot magisk_patched-26400_Y9t93.img

But it seems that the phone starts with the stock kernel image, because Magisk says it is not installed and root is not available.

Yes, I enabled the Developer options => OEM unlocking
Yes, I tried the standard fastboot flashing unlock, fastboot oem unlocking, etc.
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maxpayne
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26-08-2025, 05:41 PM
#2
(25-08-2025, 04:42 PM)Rigacci.Org I tried to root an Oukitel G2 smartphone, which is based on the Unisoc T606 chip. I tried the procedure ..

Booting doesn't work on all devices; besides, your bootloader is still locked, and this model would require files that are flashed to be signed
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