Lenovo A390 invalid imei, easy solved by merapi

[ar.vill]

Open merapi tool
Choose Android MTK tab
Click for Service tab
Setup phone settings corresponding with the correct brand name and the right model of the phone
Tick for the IMEI check box
Under IMEI util input the series of the imei numbers
Lastly, press Repair imei button

Note: after repairing for imei 1, just perform the task once again for imei 2

Pic logs:

For imei 1

For imei 2

Done na po! :-h