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Hovatek Forum OPERATING SYSTEMS Android need help

need help

need help

xmahadi
xmahadi
xmahadi
Newbie
3
20-05-2026, 05:34 PM
#1



Hello sir,
i have a phone. symphony g26 . Processor: Unisoc SC9863A Octa-Core (1.6 GHz)
i followed your tutorial https://www.youtube.com/watch?v=HhBTezxlAYw

but cant unlock bootlader. please help me to unlock bootloader of this phone.
below i attached the terminal command and output for u to see. thanks
im waiting for your respone.


----------------------------------

❯ fastboot devices ─╯
BD350946132236803 fastboot Data



❯ fastboot oem get_identifier_token ─╯
(bootloader) Identifier token:

(bootloader) 42443335303934363133323233363830

(bootloader) 33

OKAY [ 0.005s]
Finished. Total time: 0.005s



❯ ./signidentifier_unlockbootloader.sh 4244333530393436313332323336383033 rsa4096_vbmeta.pem signature.bin
zsh: permission denied: ./signidentifier_unlockbootloader.sh


❯ sudo ./signidentifier_unlockbootloader.sh 4244333530393436313332323336383033 rsa4096_vbmeta.pem signature.bin
[sudo] password for mahadi:
sudo: ./signidentifier_unlockbootloader.sh: command not found


❯ sudo ./signidentifier_unlockbootloader.sh 4244333530393436313332323336383033 rsa4096_vbmeta.pem signature.bin
Identifier sign script, ver 0.10
1+0 records in
1+0 records out
47 bytes copied, 4.3613e-05 s, 1.1 MB/s
Identifier sign successfully




❯ sudo ./fastboot flashing unlock_bootloader signature.bin ─╯
2downloading 'unlock_message'...
OKAY [ 0.000s]
unlocking bootloader...
FAILED (remote: Unlock bootloader fail.)
finished. total time: 0.056s


❯ sudo ./fastboot flashing unlock_bootloader signature.bin ─╯
2downloading 'unlock_message'...
OKAY [ 0.000s]
unlocking bootloader...
FAILED (remote: Unlock bootloader fail.)
finished. total time: 0.056s

------------------------------------------------
Gargoyle
Gargoyle
Gargoyle
Contributor
587
21-05-2026, 04:56 PM
#2
This method will not work because the manufacturer used their own rsa key and not the one in the leaked rsa4096_vbmeta.pem
dvionst
dvionst
dvionst
Newbie
1
30-07-2026, 08:16 AM
#3
(21-05-2026, 04:56 PM)Gargoyle This method will not work because the manufacturer used their own rsa key and not the one in the leaked rsa4096_vbmeta.pem

Is there a way to get our own rsa key from the device? Im using Advan Sketsa 3 Tab.
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