Huawei Watch 2 Battery Replacement Repair Guide

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Difficulty

Moderate

Steps

Time Required

                          35 - 50 minutes

Sections

Huawei Watch 2 Opening Procedure
5 steps
Huawei Watch 2 Battery Disconnect
3 steps
Battery
4 steps

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Introduction

For your safety, discharge your battery below 25% before disassembling your Huawei Watch 2. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.

Note: If your battery is swollen, take appropriate precautions.

Note: This guide instructs you to replace only the battery. However, if you want to replace the battery assembly, it’s a different procedure and you can find the appropriate battery assembly guide here. Make sure you have the correct part before starting this guide.

You’ll need replacement adhesive to reattach components when reassembling the device.

What you need

Step 1

              Huawei Watch 2 Opening Procedure

Before starting repairs, take your watch off the charger and power it down.
Feel free to attach or remove the watch band as needed to provide more control as you make repairs.

Before starting repairs, take your watch off the charger and power it down.

Feel free to attach or remove the watch band as needed to provide more control as you make repairs.

1024

Step 2

Remove the four Torx T2 screws (4.5 mm length).

Remove the four Torx T2 screws (4.5 mm length).

Step 3

Use a pair of tweezers to remove the four plastic covers sitting next to the watch band holders.

Use a pair of tweezers to remove the four plastic covers sitting next to the watch band holders.

Step 4

Insert an opening tool into the gap between the back cover and the watch case at the bottom edge of the back cover.
Use the opening tool to pry up the back cover of the Huawei Watch 2.
Do not remove the back cover assembly all the way yet—it’s still connected to the mainboard.

Insert an opening tool into the gap between the back cover and the watch case at the bottom edge of the back cover.

Use the opening tool to pry up the back cover of the Huawei Watch 2.

Do not remove the back cover assembly all the way yet—it’s still connected to the mainboard.

Step 5

Carefully fold the back cover assembly to the opposite side of the two watch crowns.

Carefully fold the back cover assembly to the opposite side of the two watch crowns.

Step 6

              Huawei Watch 2 Battery Disconnect

Remove the Phillips #00 screw (1.8 mm length).

Remove the Phillips #00 screw (1.8 mm length).

Step 7

The heart rate sensor flex cable is attached to the metal shield which covers the battery connector. In order to avoid damage to the flex cable, only grab the metal shield on the bottom end where the Phillips screw was located.
Use a pair of tweezers to carefully remove the metal shield.
Remove the back cover assembly.

The heart rate sensor flex cable is attached to the metal shield which covers the battery connector. In order to avoid damage to the flex cable, only grab the metal shield on the bottom end where the Phillips screw was located.

Use a pair of tweezers to carefully remove the metal shield.

Remove the back cover assembly.

Step 8

Use the flat end of a spudger to pry up and disconnect the battery flex cable.

Use the flat end of a spudger to pry up and disconnect the battery flex cable.

Step 9

              Battery

In the following step you’re going to pry out the battery.
In order to avoid damage to the flex cables running underneath the battery, only pry in the red marked areas.

In the following step you’re going to pry out the battery.

In order to avoid damage to the flex cables running underneath the battery, only pry in the red marked areas.

Step 10

Apply a heated iOpener to the screen to loosen the adhesive which is holding the battery in place. Apply the iOpener for at least two minutes.

Apply a heated iOpener to the screen to loosen the adhesive which is holding the battery in place. Apply the iOpener for at least two minutes.

Step 11

Insert the flat end of a spudger between the bottom edge of the battery and the back cover.
Use the spudger to carefully pry the battery out of its recess.

Insert the flat end of a spudger between the bottom edge of the battery and the back cover.

Use the spudger to carefully pry the battery out of its recess.

Step 12

Remove the battery.
Do not reinstall a damaged or deformed battery, as doing so is a potential safety hazard.

Remove the battery.

Do not reinstall a damaged or deformed battery, as doing so is a potential safety hazard.

To reassemble your Huawei Watch 2 follow these instructions in reverse.

If possible, turn on your Huawei Watch 2 and test your repair before installing new adhesive underneath the battery and resealing.

For optimal performance, calibrate your newly installed battery: Charge it to 100% and keep charging it for at least 2 more hours. Then use your device until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

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                                                                                      29 other people completed this guide.

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                    Dominik Schnabelrauch

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NovaViper - Nov 19, 2020

Do you know what’s the model of the battery? My watch is starting to die really early (it says it’s at 77 but it then quickly drops to 0) and I need to replace it

Thomas Overton - Jan 10, 2021

Trickiest part is getting the heart rate sensor connector back in. There’s a little hook at the end opposite the screw hole that has to be slipped into place before laying the rest of it down. Took a few tries before it got seated. Whole thing took 10-15 mins start to finish.

Richard Grove-White - Jun 10, 2021

Alan Lambert - Jun 27, 2021

Like Richard, I found this the trickiest part of the job. I had not realised there was a very tiny hook and eventually positioned it accurately by luck rather than skill or judgement. I also had difficulty getting the battery connector seated properly and, again, it was by trial and error that I eventually got it attached correctly.

eugene Talanov - Jan 17, 2021

before you begin make sure you have a t2 star screwdriver and hear a drier or something to heat up the battery from top so it will come off easier.

if you in usa you can get one from micro center called Mako Precision bit set it about 38$

but if you just want to do this job you can get from online for about 3$. and one prier flatspudger like the plastic one they sail here

and one tweezer. Without these tools, you cant complete job

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