Just bayed GB-Key Huawei module activation for Infinity [BEST] (w/o GB-Key Activation) and activated on my Infinity BEST dongle.
I have 2 pcs Huawei Y5II to unlock and I understand that MTK unlock is FREE with these activation? One of them just unlocked wo problem but on second one I got error that PACK 4 not activated??

[27/12/2016 08:54:03] GBKey Huawei Pack4 1.30
Model selected : Huawei Y5II
Insert USB Cable...
Detected : MediaTek PreLoader USB VCOM (Android) (COM74)
Detected : PreLoader USB VCOM (Android) (COM226)

ID : CUN-L01C704B136
IMEI : 869xxxxxxxxxxxxx

Reading info...
Connecting...
Connected to server Ok
Checking GBKey...
GBKey Ok
Requesting Info...
Unlocked Ok
Finished.

[27/12/2016 08:57:04] GBKey Huawei Pack4 1.30
Model selected : Huawei Y5II
Insert USB Cable...
Detected : MediaTek PreLoader USB VCOM (Android) (COM74)
Detected : PreLoader USB VCOM (Android) (COM226)

ID : CUN-L01C704B136
IMEI : 8697xxxxxxxxxxxxxsx

Reading info...
Connecting...
Connected to server Ok
Checking GBKey...
GBKey Ok
Requesting Info...
GBKey not active for pack4 !!!
Unlock Failed !!!