If you are facing finger scanner problem in Iphone 5 then this diagram bellow will help you to solve touchscreen problem in it.look at diagram bellow.
Iphone 5 Finger Scanner Problem Repair
Iphone 5 Finger Scanner Not Working Solution
Iphone 5 Finger Scanner Not Working Solution
if solding and value is not good in print then you have to remove it.then check all path and parts.if any component or track is missing apply jumpers as given in above diagram.you may have to replae these parts if required.
In Iphone 5s Finger Scanner problem can occur because of the faulty Module or it’s bad connection to the Cell Phone’s Motherboard. Bad connections can happen for many reasons like if it’s dropped or got wet, bad connection may also happen because of Carbon, Rust or even Dirt. So first of all you should clean Motherboard of the Mobile Phone. You Can Use any cleaning liquid for this purpose like CTC or any other you prefer.
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