How to fix imei machine MTK there are many ways, this is the easiest way:
Step 1: Connect your phone with wifi.
Step 2: Root your machine with Kingo ROOT, KingRoot or whatever soft root machine you have.
Step 3: Download the apk file below and install into the machine, then just fill in the imei or soft to choose imei.
Step 4: Then click apply imei new.
Step 5: Restart the machine.
Happy for you.