nokia 101 light jumper solution
Nokia 101 light problem solution jumpers are available in this post. This post will help you to solve light problem with jumpers in nokia 101.
Light problem can be due to water damages in nokia 101 and due to broken and damage parts in it.
After dis assemble of mobile phone you can check it for rust and carbon and if you find it then clean mother board with electronics clean and apply hot air to make it dry.
In bellow diagrams you can see steps to solve Nokia 101 light problem.