Htc One M8 Battery Replacement Repair Guide

Difficulty

Moderate

Steps

Time Required

                          35 minutes

Sections

SIM Card
2 steps
MicroSD Card
2 steps
Rear Case
5 steps
Motherboard
4 steps
Battery
1 step

Flags

Needs Better Images

Better photos will improve this guide. Help out by taking, editing, or uploading new ones!

BackHTC One M8
Full Screen
Options
History
Save to Favorites
Download PDF
Edit
Translate
Get Shareable Link
Embed This Guide
Notify Me of Changes
Stop Notifications

Introduction

Please note that your device may have a large amount of copper shielding and tape covering the back of the display assembly, as shown here. If this is the case, you’ll need to gently remove it to get at the motherboard.

What you need

Step 1

              SIM Card

Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray, located on the upper left hand side of the phone.
Press to eject the tray.
This may require a significant amount of force.

Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray, located on the upper left hand side of the phone.

Press to eject the tray.

This may require a significant amount of force.

1024

Step 2

Remove the SIM card tray assembly from the HTC One M8.
When reinserting the SIM card, ensure that it is in the proper orientation relative to the tray.

Remove the SIM card tray assembly from the HTC One M8.

When reinserting the SIM card, ensure that it is in the proper orientation relative to the tray.

Step 3

              MicroSD Card

Insert a SIM card eject tool or a paperclip into the small hole in the microSD card tray, located on the upper right hand side of the phone.
Press to eject the tray.
This may require a significant amount of force.

Insert a SIM card eject tool or a paperclip into the small hole in the microSD card tray, located on the upper right hand side of the phone.

Step 4

Remove the microSD card tray assembly from the HTC One M8.
When reinserting the microSD card, ensure that it is in the proper orientation relative to the tray.

Remove the microSD card tray assembly from the HTC One M8.

When reinserting the microSD card, ensure that it is in the proper orientation relative to the tray.

Step 5

              Rear Case

Use an iOpener or heat gun to loosen the adhesive on the upper and lower speaker grilles.
Refer to the iOpener guide for info on how to use the iOpener.

Use an iOpener or heat gun to loosen the adhesive on the upper and lower speaker grilles.

Refer to the iOpener guide for info on how to use the iOpener.

Step 6

Use a plastic opening tool to gently peel up the lower speaker grille.
The adhesive is messy, and can be removed using Goo-gone.

Use a plastic opening tool to gently peel up the lower speaker grille.

The adhesive is messy, and can be removed using Goo-gone.

Step 7

Use a plastic opening tool to gently peel up the upper speaker grille.

Use a plastic opening tool to gently peel up the upper speaker grille.

Step 8

Remove the two silver 3 mm Phillips #00 screws from the top.
Remove the four black 4 mm T5 Torx screws from the bottom.

Remove the two silver 3 mm Phillips #00 screws from the top.

Remove the four black 4 mm T5 Torx screws from the bottom.

Step 9

Work your way around the perimeter of the phone with a spudger and plastic opening picks to free the clips that secure the rear case to the display assembly.
A metal spudger is pictured, but it is best to use a nylon spudger to prevent marring the device.
Be careful not to lose the power button: it sits loosely in the top of the lower chassis.
Significant force may be required to pry the casing apart.

Work your way around the perimeter of the phone with a spudger and plastic opening picks to free the clips that secure the rear case to the display assembly.

A metal spudger is pictured, but it is best to use a nylon spudger to prevent marring the device.

Be careful not to lose the power button: it sits loosely in the top of the lower chassis.

Significant force may be required to pry the casing apart.

Step 10

              Motherboard

Remove the two silver 2 mm Phillips #00 screws securing the battery connector to the motherboard.
Use a plastic opening tool to gently pry up the battery connector.

Remove the two silver 2 mm Phillips #00 screws securing the battery connector to the motherboard.

Use a plastic opening tool to gently pry up the battery connector.

Step 11

Use a spudger to disconnect the two (four) antenna cables.
Use the tip of a spudger to disconnect the seven ZIF connectors.
Use a pair of tweezers to gently pull the seven ribbon cables free of the connectors.

Use a spudger to disconnect the two (four) antenna cables.

Use the tip of a spudger to disconnect the seven ZIF connectors.

Use a pair of tweezers to gently pull the seven ribbon cables free of the connectors.

Step 12

Remove three silver 3mm screws using T5 screwdriver.

Remove three silver 3mm screws using T5 screwdriver.

Step 13

Use an iOpener or a heat gun to loosen up the adhesive securing the motherboard to the display assembly.
Use a plastic opening tool to gently pry the motherboard free of the display assembly.
At this point, the bottom speaker is still attached to the motherboard. If you are only replacing the motherboard, refer to the bottom speaker guide to swap your existing speaker to the new motherboard.

Use an iOpener or a heat gun to loosen up the adhesive securing the motherboard to the display assembly.

Use a plastic opening tool to gently pry the motherboard free of the display assembly.

At this point, the bottom speaker is still attached to the motherboard. If you are only replacing the motherboard, refer to the bottom speaker guide to swap your existing speaker to the new motherboard.

Step 14

              Battery

Gently bend the various ribbon cables out of the way of the battery.
Use an iOpener or heat gun to loosen up the adhesive securing the battery to the display assembly.
Use a plastic opening tool to gently pry up the battery from the display assembly.

Gently bend the various ribbon cables out of the way of the battery.

Use an iOpener or heat gun to loosen up the adhesive securing the battery to the display assembly.

Use a plastic opening tool to gently pry up the battery from the display assembly.

To reassemble your device, follow these instructions in reverse order.

Cancel: I did not complete this guide.

                                                                                      123 other people completed this guide.

Author

                                      with 4 other contributors

                    Mitchell Keller

Member since: 04/14/2015

1,693 Reputation

                                      1 Guide authored                  



                       Badges:
                       15







                                                        +12 more badges

Team

                       Cal Poly, Team 5-9, Maness Spring 2015                        

                                                  Member of Cal Poly, Team 5-9, Maness Spring 2015 



                    CPSU-MANESS-S15S5G9                     


                                            4 Members                     


                                            18 Guides authored

drocheit - Dec 19, 2015

thanks for the instructions. i dropped my m8 and the power button wasnt responding at all and volume down wasnt either . i dissassembled the phone ( maybe i shouldnt have used my swiss army blade, left dents in plastic) using this guide..and pushed all the connectors into firmly and it worked again . thanks a bunch

iarinaga - Mar 9, 2016

Do we need to replace the adhesive when replacing the battery?

Karl Horton - Apr 6, 2016

I did not replace the adhesive: there’s enough left to keep everything secure

giovanni antise - Apr 6, 2016

zoccola zoccola

Toby Murcott - Dec 31, 2016

Hi, if there is a lot of tape is it necessary to replace it with new tape and copper shielding, and where can you get it please ?

Needs Better Images#

Introduction#

What you need#

Team#

Needs Better Images

Introduction

What you need

Team