Problem:- Nokia 1202 Signal Problem ,No Network Low Signal ,1661 PA Jumper.
Solution:- Nokia 1202 and nokia 1661 signal problem major fault, because without signals we can’t receive and make calls.To solve this problem full flash the mobile and write good pm file and do full factory settings via flasher device.If problem not solved then rehot signal ic and main ic with heat gun or change signal ic with new one.The last and final solution for this problem is jumpering .Remove signal ic and do jukpers like diagram below.
Nokia 1202 Signal Problem Solution
NOkia 1202 Pa Jumper
Nokia 1661 Pa Jumper