nokia 100 insert sim solution
if you are facing insert sim problem in nokia 100 then this post will help you to solve this issue. Nokia 100 insert sim problem solution is possible by follow this diagram that is given bellwo.
in above diagram you can see a few jumpers check these points with meter and apply jumpers as given in repairing diagram above for insert sim solution of nokia 100.
you may can check if some parts and components are missing you can replace them with new, you can also check if there is some rust or carbon on the mother board if you find carbon make the mother board clean and dry with hot air.