Introduction

Use this guide to replace the rear case on your HTC One M8.

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.
  • 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.

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

My phone have a problem from sim card rejected ,

shola - Reply

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.
  • 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.

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Deck the Halls
With tools and Fix Kits
Remove the microSD card tray assembly from the HTC One M8.
  • 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.

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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.

I used a heat gun settings 200 at 75, but I also found using a hair dryer works just as well. Heated up the bezels came right off and for putting back on I heated it back up and they have stayed put.

Jason Cobb - Reply

I used a hair dryer for this which worked fine but I didn't need to heat it for as long as I did. 10-20 seconds is enough to start. I didn't realise how hot it would get so after heating for 90 seconds on high heat the phone was absolutely roasting and I've got two spots of heat damage on my screen. Still all works though luckily.

Ian - Reply

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

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

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

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

The markers on step 8 were wrong. The 4 black TX screws are actually all in the bottom, while the silver screws are on top.

WP7User - Reply

Nice good good

tamerseleman68 - Reply

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.
  • 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.

Note: the pictures make it look like it's the glass the comes loose from the body. In fact, it's the metal shell the comes off, while all of the electronics are attached to the face. To get it started, you have to dig your spudger in between the metal shell and the little plastic rim that goes around the glass. I found it easiest to start in the middle, below the volume buttons.

Kael Shipman - Reply

I wish this was more clear in the picture. I ended up cracking my screen/digitiser trying to pry the glass open... the more you know!

NzUddin -

I tried starting by the volume buttons but was having no luck. I found starting just under the sim card worked best. Raising the whole side and the top up allowed the rest to come out. Be mindful of the charging port at the bottom and don't force the bottom out first but rather lift the top end out then the charger will clear. Same goes for putting back together. Charger port in first them push down on the sides and top.

Jason Cobb - Reply

I used guitar picks to wedge inside the case as I prised it open

Ian - Reply

Conclusion

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

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