[Alhmora]

Followed this guide https://www.hovatek.com/forum/thread-32287.html No luck on Techno spark 10C kI6k running on UMS9230(T606) Chipset.

All commands are as follows:

./fastboot devices
1024931346172069 fastboot

./fastboot oem get_identifier_token
2...
(bootloader) Identifier token:

(bootloader) 31303234393331333436313732303639

OKAY [ 0.022s]
finished. total time: 0.022s

./signidentifier_unlockbootloader.sh 31303234393331333436313732303639 rsa4096_vbmeta.pem signature.bin
Identifier sign script, ver 0.10
1+0 records in
1+0 records out
48 bytes copied, 0.000427892 s, 112 kB/s
Identifier sign successfully

./fastboot flashing unlock_bootloader signature.bin
2downloading 'unlock_message'...
OKAY [ 0.000s]
unlocking bootloader...
FAILED (remote: Unlock bootloader fail.)

finished. total time: 0.045s

What should I do?

[AutoResponder]

Thank you for reaching out for support. Due to high demand, our free support services may experience some delays in response time. We apologize for any inconvenience this may cause.
Alternatively, we offer private support where you can receive dedicated attention and prompt support. These sessions are designed to provide personalized solutions to your specific needs.
If you are interested in scheduling a private session, please visit https://www.hovatek.com/remote

[maxpayne]

What should I do?[/align]

1. Did you get any prompt on the phone after running the command?
2. Enable OEM unlocking under developer options and try again

[Alhmora]

Already enabled OEM unlocking and no security feature enabled.
Also didn't got any prompt in phone after running the command.

[Alhmora]

What should I do?[/align]

1. Did you get any prompt on the phone after running the command?
2. Enable OEM unlocking under developer options and try again

I already enabled OEM unlocking and didnt got any prompt on phone after running the command

[Alhmora]

What should I do?[/align]

1. Did you get any prompt on the phone after running the command?
2. Enable OEM unlocking under developer options and try again

1. I didnt got any prompt on phone after running the command
2. I already enabled the OEM unlocking in developer options

[ippnenix]

1. Did you get any prompt on the phone after running the command?
2. Enable OEM unlocking under developer options and try again

1. No.
2. Yes.

[Someone.SA]

Well, I have a TECNO SPARK 8C that this is all same that happens.
no solution so far

[maxpayne]

1. I didnt got any prompt on phone after running the command
2. I already enabled the OEM unlocking in developer options

They must have used keys different from the default RSA keys