After replacing cracked screen phone will not power on.

Volume button not working after replacing screen and digitizer assembl

microphone not working after replacing digitizer

Will not power on after replacing digitizer and battery

Just replaced battery in iPhone 4s and it will not charge.

Replaced battery and now all apps have stopped working.

screen flashing and will not charge after battery replacement.

Where can I find blank sim card?

Sim card is melted inside sim card reader

hard restart procedure for samsung seek