***post here successfully unlock/flash/by sigmakey ***

[Emmc _Solution]

Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-08-11 19:57:17 ---------
SigmaKey 2.28.07 MTK: Remove FRP
Phone model: HUAWEI LUA-U22
Version: LUA-U22C567B014
Removing FRP lock......Done
Restarting phone...OK​

 

[Emmc _Solution]

Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2019-02-21 10:56:31 ---------
SigmaKey 2.29.15 HiSi: Remove FRP / Huawei ID
Phone model: CAM-L21
Version: :CAM-L21C636B251
Removing FRP lock...Done
Restarting phone...OK​