DIY OnePlus 7 Pro | 7T Pro 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.

Be gentle while taking out the rear cover; the flash sensor plug is connected to the back cover and board.

First, take off the shield and then disconnect the plug to release the rear cover.

Take out the rear cover and take out the Main Board frame by undoing 14 screws.

Next, unplug the battery connector on the left-hand side and then take out the battery by loosening adhesives on the sides and pull it by the red tab.

Next, place the new battery in the body and paste the adhesives back.

Next, plug in the battery plug and place the mainboard frame by securing 14 screws.

Next, insert the sim tray and place the back cover on the body.

And also, do not forget to connect the flash sensor and the shield.

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 battery replacement guide. Let us know if you have any questions.