DIY Huawei P20 lite | Nova 3e 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 then remove the back cover.

Here, we are using a heating pad to remove the back cover, Place the back 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 you feel the heating is enough,
use a suction cup to lift the back cover. In between, Insert a Plastic Card pry tool and gently cut the adhesive.

While taking out the back cover, Be gentle; the fingerprint plug is attached to the back cover.
Next, remove the fingerprint bracket by undoing two screws. Next, disconnect the battery plug and disconnect the fingerprint plug. Now the back cover unit can leave from the body.

Next, disconnect the main flex and lcd flex from the logic board. First, take out the bracket by undoing the screw.

First, apply little to soften the glue on the battery. For this, we are using a heat gun. Once you feel the heating is enough, use a pry tool to cut the adhesive under the battery.

Next, place the New battery with adhesive.

Next, secure the lcd plug and main flex into the logic board.

Next, secure the bracket by adding a screw.

Next, connect the fingerprint and battery plug to the board.

Next, place the shield by adding two screws.

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 fasten the back cover. Leave it for some time and remove it; if not, use some rubber bands to tighten the back cover.

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