HUAWEI P9 lite battery repair guide

The battery life is low. Your Huawei P9 lite keeps crashing or won’t charge.

In this guide, we show you how to replace your P9 lite’s defective battery on your own. This repair can help if your P9 lite crashes during heavy use because the voltage temporarily drops, you can no longer charge it or turn it on, or the battery life is very low.

Back up all your data before the repair, and touch something metal, like a radiator to get rid of any static charges.

Required tools

For storing screws

For storing screws

We recommend storing your screws so you don’t mix up the various screws and small parts.
€10.00 at the iDoc store
Tweezers

Tweezers

We recommend using tweezers to remove screws and various small parts from your device.
€11.00 at the iDoc store
Pick Set

Pick Set

You need a flat but stable tool such as a pick to pry out parts that are glued in place.
€2.00 at the iDoc store
Plastic prying tool

Plastic prying tool

You need a flat plastic prying tool to disconnect the various plugs and connectors.
€2.00 at the iDoc store
Steel Laboratory Spatula

Steel Laboratory Spatula

You need a flat and sturdy prying tool to disconnect glued parts.
€4.00 at the iDoc store
Phillips PH00 screwdriver

Phillips PH00 screwdriver

You need the right screwdriver for removing PH00 screws.
€12.00 at the iDoc store

Required replacement part

HUAWEI P9 / P9 lite / P10 lite / P20 lite Battery

HUAWEI P9 / P9 lite / P10 lite / P20 lite Battery

€19.00 at the iDoc store

Show all replacement parts for the P9 lite

Passendes Werkzeug

Mit unserem Werkzeug gelingt dir die Reparatur.

Samsung Tool Kit, 17 pieces

for €40.00

Steps

16 Steps

Switching off your device

Step 1

Removing the SIM card tray

Step 2

Removing the back cover

Step 3

Removing the mainboard cover

Step 4

Disconnecting the battery

Step 5

Removing the speaker

Step 6

Removing antenna and flex cable

Step 7

Removing the battery

Step 8

Preparing the new battery

Step 9

Inserting the battery

Step 10

Connecting the antenna and flex cable

Step 11

Installing the speaker

Step 12

Connecting the battery

Step 13

Installing the mainboard cover

Step 14

Attaching the back cover

Step 15

Inserting the SIM card tray

Step 16

Getting started with the repair of your P9 lite

If you get stuck or have questions, you can post a comment. We’d be happy to help.

16 steps

Switching off your device
Before the repair, you should switch off your device to avoid short circuits during the repair.
Press and hold the standby button until the shutdown dialog appears on the screen.

Tap to confirm.
Removing the SIM card tray
Insert your SIM tool into the little hole on the tray to unlock the tray.

Remove the tray and any SIM or microSD cards.
Removing the back cover
The back cover of the Huawei P9 Lite is clipped in all around the display unit.
Attach the suction cup relatively far down. Then pull on the suction cup to lift the back cover.
Then insert the pick between display unit and backcover and pry them apart.
Release the back cover clip for clip around the entire device. If it doesn't work the first time, you can use a second pick or pull it a little harder with your fingers.
The back cover is glued to the fingerprint sensor. You can use a heat gun to slightly heat the back cover and soften the glue.
Once all the clips are released, you can remove the back cover.
Removing the mainboard cover
9 × Phillips

Fingerprint sensor

NFC connector

There is a humidity indicator over one of the screws. You can try to remove it and put it back later, but it usually breaks. So you can simply pierce it with a screwdriver.

The cover is secured with Phillips screws. Unscrew all screws and store them safely.

Lift up the cover a bit.
Attention: Several cables are attached underneath.
The cover is clipped in, once at the camera and once at the side. Gently move the cover to release the clips. Then unfold the cover to the side.

Using a spudger, carefully pry off the connector of the fingerprint sensor flex cable.

Remove the glued contact of the NFC antenna. If necessary, heat it gently using a heat gun and then carefully pry it off using a spatula.
Disconnecting the battery
Battery connector

Now disconnect the battery to avoid short-circuits.
Use a spudger to carefully pry off the connector of the battery flex cable.
Removing the speaker
3 × 2.9 mm Phillips

4 × 3.8 mm Phillips

The speaker is connected to the plastic cover of the lower circuit board.

The screws have two different lengths. Store the screws separately to insert them correctly afterwards.
Remove the Phillips screws on the plastic cover.
Carefully remove the speaker and the attached cover: Slide a thin tool into the opening on the lower edge of the device and pry out the speaker.
Now you can take out the speaker.
Removing antenna and flex cable
Flex cable connector

2 × Antenna plug

The black antenna does not need to be removed when replacing the battery.
Use a spudger to carefully pry off the plugs on both sides of the antenna cable.

Pry very carefully, or you might tear off the sockets from the PCBs!

Remove the antenna cable.

Use a spudger to carefully pry off the connectors on both sides of the large flex cable with the arrow.

Remove the flex cable.
Removing the battery
Slowly soften the glue underneath the battery by heating the battery with a heat gun. Never heat the battery directly.

Use a broad spudger to carefully lever out the battery from all sides until it comes out easily.
Distribute the hot air evenly and heat the same spot several times instead of risking punctual overheating of the battery. You shouldn't use too much force for the spudger and don't pry from one side only, as this will bend and break the battery.

Preparing the new battery
Carefully remove the NFC antenna from the old battery.
Stick the NFC antenna to the same spot on the new battery before installing it.
Inserting the battery
Place the battery into the display unit and carefully press it down to make it stick. Make sure it can't move around.
Connecting the antenna and flex cable
Flex cable connector

2 × Antenna plug

Insert the antenna cable into the diplay unit.
Connect the antenna cable plugs to both circuit boards. First position each plug above its socket and carefully press down the plug to make it click into place.
Place the large flex cable back between the two circuit boards.
Carefully connect the connectors to each circuit board. The two connectors are different. So make sure the arrow points to the mainboard (top).
Installing the speaker
3 × 2.9 mm Phillips

4 × 3.8 mm Phillips

Insert the plastic cover with the speaker into the display unit and press it down to make it click into place.
Fasten the seven Phillips screws. Be careful: They have two different lengths.
Connecting the battery
Battery connector

Carefully connect the battery flex cable. Make sure the connector is aligned correctly before you press it on. It should click into place. If not, repeat this step.
Installing the mainboard cover
9 × Phillips

Place the cover underside facing up on the battery and stick the NFC antenna contact back in place. Use the tab on the contact to position it correctly.
Carefully connect the connector of the fingerprint sensor flex cable to the mainboard.
Fold the cover onto the mainboard and press it on. Then use the nine Phillips screws to fasten it. The Phillips screws all have the same length.
Attaching the back cover
1. Place the back cover on the display unit and press it down all around to make it snap into place.
Inserting the SIM card tray
Insert any SIM or SD cards into the tray.
Insert the SIM card tray back into its slot.