DIY Samsung Galaxy A31 Battery Repair Guide

To start we need to have the right tools to proceed with the repair which you can find in the description first take out the sim tray followed by the battery cover removal

To remove the back cover it needs to heat gently around the rear cover edges until the pastel adhesive becomes soft carefully work around on edges and once you feel the heating is enough use a suction cup to lift the back cover in between insert a plastic carpet tool and gently cut the adhesive

Take out the back cover and undo 15 screws on the rear car frame

Using the plastic carpet tool creates an opening to separate the background frame be gentle and work around on edges to separate the plastic clips

Take out the frame and disconnect the battery connector and both ends on the main flex cable which connects the LCD to take out the battery apply the heat on the battery and create an opening using a plastic cardboard insert it and once you have some space use a pry tool to lift the battery replace the new battery and connect the battery and both ends on the main flex cable connector

Restore the rear car frame and insert all 16 screws back

Before installing the main back cover make sure it has enough glue on it if not use b7000 glue on your double-sided backup adhesive hope you have enjoyed the battery replacement diet let us know if you have any questions