593
turn off the device Volume down connect the phone in fastboot mode Usb Data Cable
Open SigmaBox Select Hisilicon Service Remove FRP/ Huawei ID
SigmaKey v2.26.07
201607041 Sigma dongle 2.26, Initializing…OK
——— 2017-09-07 23:54:52 ———
SigmaKey 2.26.03 HiSi: Remove FRP / Huawei ID
Phone model: CAM-L21
Version: :CAM-L21C432B179
Removing FRP lock…Done
Restarting phone…OK