Nokia 103 Signal Solution Jumpers To Solve No Network Problem
https://gsmfixer.blogspot.com/2015/03/nokia-103-signal-solution-jumpers-to.html
Noka 103 Low signal or no network problem occurs when signal ic (PA) damage. To solve this problem first make sure that sim working properly. Some time this problem creates due to mobile settings, Restore mobile settings to factory default. If problem not solved then check diagram below and check the components as marked in diagram.
Nokia 103 signal problem solution jumper diagram to solve no network problem.