Nokia Asha 202 keypad jumper without ic
If you have been long working phone. This particular Nokia phone Asha 202 always has keypad problem. the keypad problem can cause *, 0, # buttons not working. sometimes The keypad can cause the phone not to power. If you have the keypad ic then change with Rework Station or follow instructions to run the wire.
Phone dropping in liquid is a common thing and what follows next. Below is the easiest way to fix the keypad problem especially Nokia 130 or 125.
How to repair Nokia Ash 202 keypad jumper without ic
Take apart the phone.
Gently use soft tissue paper and wipe the surface.
Clean the inner part of the keypads,
Check the whether the keypads are working.
If not is time to grab your soldering iron, paste and lead.
Follow the diagram carefully.
Nokia Ash 202 keypad jumper without ic
The diagram explain the details of how to fix the keypads problem. But care should be taken because the keypad points are made of carbon instead of copper. You should use tapper and connecting wires instead of soldering iron and lead. Fixing this kind of problem post another problem because is you mistaken erase the carbon coated keypad points then you cannot get it back.
If you want to use Rework station then follow this step
a) Power up the Rework Station.
b) Choose the exact size of the ic you want to remove
c) Regulate the readings of rework station.
d) Ensure you have paste to apply on the ic you want to remove and repalece.
e) Don't apply too much heat in a particular place at same time.
f) Changing new ic is recommended.
This solutions may help you