I can not unlok bootloader huawei y72019

[Sarhan]

13/03/2021 09:06:26 ã
HCU Client v1.0.0.0375
Account: bl24447

Before detection connect cable to usb and enable Manufacture mode !

Qualcomm and HiSilicon: *#*#2846579#*#*
MTK: *#*#14789632#*#*
Windows: ##2846579#

ProjectMenu
1.Background setting
2.USB ports setting
Select Manufacture mode


Read Bootloader code

2021-03-13 21:06:26.966 Autodetect COM port and phone type start!
2021-03-13 21:06:28.319 Found COM port: COM5
2021-03-13 21:06:28.334 Found phone type: Huawei Android phone (Qualcomm CPU)
2021-03-13 21:06:28.504 Open COM port COM5 (?DBAdapter Reserved Interface (COM5)?)...
2021-03-13 21:06:28.647 Connecting to server... 2021-03-13 21:06:29.019 Connected!

Read bootloader code fail!
Cannot decrypt RSA data from phone

[Valdemaras]

Need to downgrade to android 8.0.0 sec patch 2018 for service to work: http://hcu-client.com/supported-models.php

[Sarhan]

But there is no Android 8.00 for the phone. The phone was released with Android 8.1