Introduction
Use this guide to replace the motherboard on your HTC One M9.
What you need
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The microSD card tray is located on the upper right hand side of the phone, above the volume buttons. To open the tray, insert a microSD card eject tool, or a paperclip, into the small hole in the microSD card tray.
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Then press the tool or paperclip to eject the microSD card 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.
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Press to eject the tray.
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Using a plastic opening pick or a spudger, gently pry and remove the cover on top of the case.
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Remove the two 4 mm T5 Torx screws on the top of the case.
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Work a plastic opening pick around the perimeter of the device to separate the rear case from the display assembly.
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Use a pair of tweezers to disconnect the blue and white antenna cables. Note that some models of this phone will have only one antenna cable at this location.
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Remove the two 1.5 mm Phillips screws securing the battery connector to the motherboard.
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Use a spudger to pry the battery connector from its socket, being careful to apply pressure only to the connector and not to the socket.
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Peel back the Kapton tape from the ZIF connector, then use your fingernail or a spudger to lift the hinged retainer clip on the ZIF connector and slide the cable out.
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Peel back the Kapton tape from the ZIF connector, then use your fingernail or a spudger to lift the hinged retainer clip on the ZIF connector and slide the cable out.
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With the tweezers, carefully lift up on the tape covering the electrical strip shown in the picture.
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Use your fingernail or a spudger to lift the hinged retainer clip on the ZIF connector and slide the cable out.
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Peel back the Kapton tape from the remaining three ZIF connectors, then use your fingernail or a spudger to lift the hinged retainer clips on the ZIF connectors and slide the cables out from each.
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Remove the dual LED flash cover. This is held on with a small amount of adhesive. Be careful here: the flash cover may be glued to the two antenna cables below. Apply a small amount of heat here to soften the adhesive before removal.
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Use a pair of tweezers to disconnect the two antenna cables near the camera. Note that some models of this phone will have only one antenna cable at this location.
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Use a pair of tweezers to disconnect the antenna cable near the bottom of the phone.
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Use a pair of tweezers to gently lift the vibrator out of its crevace. It is held in only with friction, no adhesive or screws.
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Use a plastic opening tool or your hands to pry the motherboard out of the case.
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