Micromax A350 IMEI null or invalid done with volcano box easily.
Just follow the simple steps to repair IMEI of Micromax a350
Open volcano box with administrator.click MTK option,android tool and click on Run optionshow on picture.
Android MTK imei repair box shows on next box
Click on 65xx new method,put IMEI 1 and IMEI 2 then click on Write IMEIPower off mobile phone just insert usb cable. IMEI write start and finishNow finish imei write remove cable and power on mobile.When power on mobile then check IMEI with *#06#.
If imei damage mobile network does not work properly.It shows no service,only searching network,Invalid Sim etc.This method 100% tested.