G620S-L02 error

Phone must be on, USB debugging must be enabled.
If Phone ask for SU, allow.
Found Device, reading info..
Brand: Huawei
Model: G620S-L02
Build ID: HuaweiG620S-L02
Platform ID: msm8916
OS version: 4.4.4
Build version: G620S-L02V100R001C81B247
SU binary present.
Starting unlock, wait…
Using metod 3.
[!] Error reading simlock

Restarting phone, wait…..
If phone not restarted, please restart manually .
All done.