unlock frp not work

[allbrico]

hi dear friends, i have tried to unlock the frp of a huawei but still lockeed and i spend 2 times the credits for nothing.
can you please solve that?
thanks

first time
Backup\20180416_223810_TUBBBCB6B1705230.BAK

2018-04-16 22:38:10.625 Reading FRP certify data...
2018-04-16 22:38:10.813 Read FRP certify success!
2018-04-16 22:38:10.813 Signing FRP certify data...
2018-04-16 22:38:12.269 Signing FRP certify data success!
2018-04-16 22:38:12.285 Erasing FRP...
2018-04-16 22:38:16.411 Erase FRP done!


second time
manufacturer - Huawei phones
model - Auto detect (recommended)

Found Phone : LYO-L21
Model : Huawei MTK phone in fastboot mode
Serial NR. : TUBBBCB6B1705230
Firmware : LYO_L21C577B128

Battery state: 4060mv

================================================== =================

Factory reset protection Erase start

Erase FRP done!

Credits left : 13

[Valdemaras]

Information about frp here https://forum.dc-unlocker.com/forum/...sted-read-here