Huawei ATU L28 how to put software testpoint

Huawei ATU L28 how to put software testpoint



please help me to repair imei this phone
first need put testpoint without phone dissemble
then need unlock bootloader

when press "Get Huawei bootloader password "
------- 2020-11-15 15:01:38 ---------
SigmaKey 2.39.04b1 HiSi: Remove FRP / Huawei ID
Android Adapter PCUI (COM224), Provider: Huawei Incorporated, Driver ver.: 2.0.6.714, Date: 7/30/2015, USB\Vid_12D1&Subclass_13&Prot_22
Connecting....
Android Adapter PCUI (COM224), Provider: Huawei Incorporated, Driver ver.: 2.0.6.714, Date: 7/30/2015, USB\Vid_12D1&Subclass_13&Prot_22
Firmware: System 9.1.1.56(0D29), Date: Tue Apr 7 16:01:29 CST 2020
Boot Version: (unknow), FastBoot Version: Chipset-miami9.1.1.(03G8)_FASTBOOT
Recovery Version: (unknow), System Version: System 9.1.1.56(0D29)
Removing firmware protection...This Android security patch level is not supported.
Please wait for future updates.