Introduction

Use this guide to replace the motherboard on your HTC One M9.

Insert a microSD 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 above the volume buttons. Press to eject the tray. This may require a significant amount of force.
  • Insert a microSD 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 above the volume buttons.

  • Press to eject the tray.

    • This may require a significant amount of force.

  • When reinserting the microSD card, ensure that it is in the proper orientation relative to the tray. The contacts should be inserted first and face to rear side.

  • It is normal, that the microSD card doesn't stay on it own inside the tray. It is also not completely trivial to place it correctly flat inside the tray.

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Insert a SIM card eject tool or a paperclip into the small hole besides the SIM card tray, located on the upper section of the left edge 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 besides the SIM card tray, located on the upper section of the left edge of the phone.

  • Press to eject the tray.

    • This may require a significant amount of force.

  • When reinserting the SIM card, ensure that its contacts are facing to the rear side. The tapered corner of the SIM card has to point to the outer bottom corner of the tray.

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Using a plastic opening pick or a spudger, gently pry and remove the top of the case. Remove the two 4mm T5 Torx screws on the top of the case. Remove the two 4mm T5 Torx screws on the top of the case.
  • Using a plastic opening pick or a spudger, gently pry and remove the top of the case.

  • Remove the two 4mm T5 Torx screws on the top of the case.

Be sure to remove the SIM tray and memory card tray prior to removing back case! Bent mine because that step was missing.

cameronb - Reply

The black plastic piece that runs across the top is very thin and is stuck on with very strong tape.

SMcC21985 - Reply

Work a plastic opening pick around the perimeter of the device to separate the rear case from the display assembly. The SIM card tray and Micro SD card tray must be removed before the back cover can be removed. Be careful around the power and volume buttons, as they are fairly delicate.
  • Work a plastic opening pick around the perimeter of the device to separate the rear case from the display assembly.

  • The SIM card tray and Micro SD card tray must be removed before the back cover can be removed.

  • Be careful around the power and volume buttons, as they are fairly delicate.

  • Be careful when separating the body from the display assembly, as the rear-facing camera may be stuck to the body with adhesive.

The SIM Card and SD Card's need to be removed before the case will come apart.

Andrew Froude - Reply

Use a pair of tweezers to disconnect the blue and white antenna cables.
  • Use a pair of tweezers to disconnect the blue and white antenna cables.

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Remove the two 1.5 mm Phillips screws securing the battery connector to the motherboard.
  • Remove the two 1.5 mm Phillips screws securing the battery connector to the motherboard.

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Use your fingers or a spudger to disconnect the ZIF connector.
  • Use your fingers or a spudger to disconnect the ZIF connector.

Lift up on the white portion of the connector

Jarred Goar - Reply

Use a spudger to disconnect the bottom speaker ZIF connector, sliding the cable out of the socket.
  • Use a spudger to disconnect the bottom speaker ZIF connector, sliding the cable out of the socket.

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With the tweezers, carefully lift up on the tape covering the electrical strip shown in the picture. Be careful with the tape, as it can tear easily. Use a spudger to disconnect the ZIF connector.
  • With the tweezers, carefully lift up on the tape covering the electrical strip shown in the picture.

  • Be careful with the tape, as it can tear easily.

  • Use a spudger to disconnect the ZIF connector.

Mine did not have the piece of tape.

SMcC21985 - Reply

Disconnect the remaining three ZIF connectors. The third ZIF connector is mostly underneath the motherboard. When reassembling your device, make sure it is placed back underneath. The third ZIF connector is mostly underneath the motherboard. When reassembling your device, make sure it is placed back underneath.
  • Disconnect the remaining three ZIF connectors.

  • The third ZIF connector is mostly underneath the motherboard. When reassembling your device, make sure it is placed back underneath.

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Remove the dual LED flash cover. Use a pair of tweezers to disconnect the two antenna cables. Use a pair of tweezers to disconnect the two antenna cables.
  • Remove the dual LED flash cover.

  • Use a pair of tweezers to disconnect the two antenna cables.

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Remove the three 4 mm T5 Torx screws securing the motherboard.
  • Remove the three 4 mm T5 Torx screws securing the motherboard.

Great guide just one crucial warning missing! When removing the battery which is underneath the power/SD/volume cable make sure you see that and carefully remove the battery without tearing it apart! Had to learn the hard way. Fortunately it's replaceable..

Charles Vheru - Reply

Use a pair of tweezers to gently lift the vibrator off of the motherboard. Use a plastic opening tool or your hands to pry the motherboard out of the case.
  • Use a pair of tweezers to gently lift the vibrator off of the motherboard.

  • Use a plastic opening tool or your hands to pry the motherboard out of the case.

    • The motherboard is secured with adhesive, so you may need to use an iOpener or heatgun to loosen the adhesive. Refer to the iOpener guide for info on this.

Mine did not have any adhesive.

SMcC21985 - Reply

Conclusion

Continue to a specific replacement guide for further instructions on replacing what you wish to replace in you HTC One M9.

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Rodolfo Meave

Member since: 04/14/2015

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Cal Poly, Team 6-16, Maness Spring 2015 Member of Cal Poly, Team 6-16, Maness Spring 2015

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3 Comments

Not really that hard!

Well, i repair phones everyday and HTC is always a difficult brand, but I would rate the M7 as harder to repair than the M9.

The only part that should be very very remarked is while lifting up the motherboard, if you don't warm the adhesive it will be very difficult to get it out of the case, yesterday I did one and broke 1 led of the notifications leds!

Rafael B - Reply

do u have any m9 motherboard for sale? I am searching for one

Abdin Syakirin -

I own an HTC M9 and I need its motherboard. Any chance you could tell me where to find it?

yelgaonkar ketaki - Reply

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