Repair IMEI Failed ZTE A511
 

-- Checking Current Version
-- Current Version OK
-- Checking User Login
-- User Login OK.
1 - Power of Device
2 - Fill IMEI Boxes then Click Write imei button
3 - Connect USB Cable and Press Hold Power Button
4 - wait until device going to meta mode and writting imei

Searching Device
Device Found

Getting Meta mod...
Meta mod OK...
Port : COM36 : MediaTek PreLoader USB VCOM (Android) (COM36)
Searching for CDC Drivers...
CDC Drivers Found...
Port : COM58 : MediaTek USB VCOM (Android) (COM58)
IMEI Repair Process Started.
Error : Repair IMEI Failed

Hello,

Root the device and do it by ADB Method.

BR