iPhone 4G Battery Connector Terminal Jumper Ways

 If iPhone 4G is not getting power ON, Replace the battery and try to power it ON. Plug in charging pin into jack and try to make it charge. Check batter terminal’s +v and -V points with electronics meter.

Solution:-

Dis assemble the phone iPhone 4G and check battery connectors if these are lose or not fix. Then check the whole mother board for water and rust damages, Carbon or broken parts.

If find some rust or carbon make it clean with electronics cleaner and apply hot air with heat gun to make it dry.