Huawei TAG-L21 FRP remove by Sigma.

Huawei TAG-L21 FRP remove by Sigma.

Pack 1: Activated
Pack 2: Activated
Pack 3: Activated
--------- 2018-06-04 09:34:01 ---------
SigmaKey 2.27.20 MTK: Remove FRP
Phone model: HUAWEI TAG-L21
Version: TAG_L21C328B128
Removing FRP lock.....Done