Code:
SigmaKey v.2.27.19
582728945 Sigma dongle 2.27, Initializing...OK
Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-05-14 10:59:21 ---------
SigmaKey 2.27.19 HiSi: Remove FRP / Huawei ID
Phone model: BLN-L21
Version: :BLN-L21C432B372
Removing FRP lock...Done
Restarting phone...OK