350305260000004 imei in my lg g3.. How to fix??

[Arif02]

M not recieving any signal.. But sometimes it works .. I tries gsm patch as mine one is ls990 .. Bt no kuck i tried flashing prime gsm, liquidremix etc rom but still no luck.. Then i checked my imei it was something dfrnt .. I hv my original imei in the back under the battery .. Bt i dont know what is the problem in recieving signals.. When it works i can dial n rsc a phone call n also i can browse the internet using mobile data.. Someone?? Plss help to get rid of it ...