DIY Redmi K40 Gaming | Poco F3 GT BM56 Battery Repair Guide

Before Starting, we need to have the right tools to proceed with the repair, which You can find in the description.

First, turn off the phone and take out the Sim tray, followed by the rear cover removal.
To remove the rear cover, it needs to heat gently around the rear cover edges until the pasted adhesive becomes soft.

For this, we are using a heating pad. Place the rear cover side on the heating pad and Select the mobile phone HEATING option and leave it till it completes. Alternatively, you can use a heat gun or hairdryer.

Once the heating has completed, Use a suction cup to create an opening between the frame and rear cover. Next, insert a plastic card pry tool or something similar to cut the adhesive around the back cover.

Next, on the phone body, Apply little heat to soften the glue on the camera lens frame. And then, gently using a pry tool or tweezer, take out the camera lens with the frame.

Next, Peel the adhesive and disconnect the connector plug, and then take out the small shield.

Next, take out the board frame by undoing ten screws.

Next, disconnect the battery plug.

Next, move to the bottom and take out the secondary board cover by undoing eight screws.

Next, disconnect and take out the man flex from the body, and then disconnect the secondary battery cable from the secondary board.

Next, take out the not-working battery by loosening the adhesive.
First, loosen the adhesive on both sides, and then pull it by the tab. Be gentle and lift the battery.

Next, place the new battery in the body and secure the adhesives.

Next, place the main flex by connecting three plugs from the top and bottom sections.

Next, secure the secondary battery connector to the secondary board.

Next, place the speaker cover by adding eight screws.

Next, connect the battery plug and place the logic board frame by adding ten screws.

Next, connect the flasher plug and place the adhesive and the shield.

Next, place the camera lens with the frame on the body by adding adhesive.

Next, Before installing the main back cover, make sure it has enough glue on it; if not, use B7000 glue or a new double-sided back cover adhesive.

Finally, we are adding bonding clips to tightened the rear cover with the body. If not, you can use some rubber bands and Leave them for some time.

I hope you have enjoyed the replacement guide. Let us know if you have any questions.