SigmaKey w/0 Smart Card

Sigma v.2.27.10. Vodafone Smart E8 Unlock/IMEI/FRP

Sigma Software v.2.27.10

QCOM Tab:

1. Released Direct unlock, IMEI Repair, Remove FRP features for:

♦ Vodafone Smart E8
♦ VFD510
♦ VFD511
♦ VFD512

Released Remove FRP feature for:

♦ VFD513

Manual: Open Qcom -> Service tab and select required ZTE/Vodafone model from the drop-down menu.
Connect the phone to PC in FTM mode.

This solution can potentially work for other ZTE/Vodafone models from the "Phone model" list.
You are welcome to do some testing and share your results.
Note, that Sigma makes a backup during runtime of every operation for this group of phones.
In case of any kind of failure you phone data can be restored.