Introduction

In this guide you will learn how to replace the motherboard in the HTC One Max.

Image 1/1:
  • Lift back cover while pressing highlighted release switch towards the center of the phone.

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Image 1/2: Remove the white sticker near the buttons that control the volume. Image 2/2: Remove the white sticker near the SIM card.
  • Remove the four white stickers in each corner that cover the Tri-Wing screws.

  • Remove the white sticker near the buttons that control the volume.

  • Remove the white sticker near the SIM card.

  • Remove the big white sticker with the bar-code in the center of the phone.

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Image 1/1: Disconnect the cable near the volume buttons.
  • Remove the thirteen Tri-Wing Y00 screws (Upper & Lower screws are 5 mm length, middle screws are 3.8 mm length) from the back case.

  • Disconnect the cable near the volume buttons.

The orange circle in line with the 4 other red circles down the RH side (as shown) in the photo should be red also, as this shows a screw, not the cable (which is by the volume buttons).

Huey Smith - Reply

Hey Huey,

Nice catch! This has now been fixed.

Geoff Wacker -

Image 1/2: Image 2/2:
  • Use the small plastic opening tool to pry between the screen and the rear case.

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Image 1/2: When replacing the fingerprint sensor, make sure the ribbon cable snaps into the port on the motherboard. Image 2/2: When replacing the fingerprint sensor, make sure the ribbon cable snaps into the port on the motherboard.
  • Use Tweezers to disconnect the ribbon cable connecting the fingerprint sensor to the motherboard.

  • When replacing the fingerprint sensor, make sure the ribbon cable snaps into the port on the motherboard.

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Image 1/2: Use a plastic tool to remove the ribbon cable. Image 2/2: Use a plastic tool to remove the ribbon cable.
  • Remove the two 2.2 mm Phillips #000 screws holding the battery cable.

  • Use a plastic tool to remove the ribbon cable.

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Image 1/2: Use the plastic opening tool to disconnect a third antenna wire at the bottom of the phone. Image 2/2: Use the plastic opening tool to disconnect a third antenna wire at the bottom of the phone.
  • Use the plastic opening tool to disconnect the two antenna wires at the top of the phone.

  • Use the plastic opening tool to disconnect a third antenna wire at the bottom of the phone.

Where can i find a replacemt ir blaster?

yuuki1942 - Reply

Image 1/1:
  • Remove the seven 3 mm Phillips #000 screws from the motherboard.

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Image 1/3: Use caution prying the ribbon cable on the right side because other ribbon cables run under it. Image 2/3: Use caution prying the ribbon cable on the right side because other ribbon cables run under it. Image 3/3: Use caution prying the ribbon cable on the right side because other ribbon cables run under it.
  • Use a plastic tool to pry up and disconnect the large ribbon cables on each side of the motherboard.

  • Use caution prying the ribbon cable on the right side because other ribbon cables run under it.

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Image 1/3: Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables. Image 2/3: Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables. Image 3/3: Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.
  • Remove the tape covering three flex cable gate connectors on the bottom left side of the phone.

  • Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.

  • Use small plastic opening tool to pry open the latch on each of these gate connectors to disconnect the three cables.

What does the orange circle refer to, as the text is a duplicate of the red circle description (and the highlighted item isn't connected with the three gate connectors)?

Huey Smith - Reply

I think the orange circle refers to a 4th gate connector which needs to be disconnected.

Huey Smith - Reply

Image 1/2: Use a heat gun to loosen adhesive at bottom if needed. Image 2/2: Use a heat gun to loosen adhesive at bottom if needed.
  • Use a plastic tool to lift and remove the motherboard.

  • Use a heat gun to loosen adhesive at bottom if needed.

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Conclusion

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

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Andrew Keller

Member since: 09/23/2014

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USF Tampa, Team 11-3, Blackwell Fall 2014 Member of USF Tampa, Team 11-3, Blackwell Fall 2014

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