Introdução

Use this guide to replace the display assembly including the frame of your Huawei P9.

Before disassembling your phone, discharge the battery below 25%. The battery can catch fire and/or explode if accidentally punctured, but the chances of that happening are much lower if discharged.

First switch off your phone and remove the SIM card tray.
  • First switch off your phone and remove the SIM card tray.

  • Unscrew the two Pentalobe P2 screws located at the bottom next to the device's USB C port.

  • If the screen is cracked you might want to use some tape to protect your eyes from glass shreds and get a better grip to open the phone.

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Use an iSclack or a suction handle to separate the display unit from the rear panel.
  • Use an iSclack or a suction handle to separate the display unit from the rear panel.

    • Don't remove the rear panel completely yet. There is a cable connected to it! It is running from the finger print sensor to the display unit.

If you cant get suction because of cracks in the screen, use wide tape to create smooth surface.

Kent Alexander Johansen - Responder

If your screen is smashed, and nothing else will work (iSclack etc), you can get a thin blade between the casing and the screen assembly and the bottom. The screen assembly can then be pried out. I fought with mine before discovering this. Be careful of the broken glass.

Rob Collins - Responder

I struggled to remove screen with suction cups due to damage to the back case. I used a jim to pry from bottom by usb c port, worked well.

Philip Lloyd - Responder

Be very carrefull as it can open in one fell swoop !

Jean-Marc Boisseau - Responder

  • Disconnect the finger print sensor using a spudger.

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  • Unplug the antenna cable.

  • Remove the liquid contact indicator that sits on top of the screw.

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  • Unscrew the two Phillips #00 screws that hold the metal plate in place.

  • The plate, which is covering the battery connector, has two little hooks on each side. Use a tweezer to free them and unhinge the plate by carefully moving it upwards.

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  • Now you can unplug the battery connector and bend it aside.

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  • Free the ends of the adhesive pull tabs to get a good grip on them.

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  • The battery is secured with three pieces of adhesive, a removable pull-tab in the center, and on the SIM tray side. A third piece of adhesive on the button side has no pull-tab.

  • Pull the adhesive tabs in a slow constant movement to free the battery.

    • Should those adhesive tabs snap, you might want to use an iOpener to heat and soften them a little bit so you can pry out the battery with a spudger.

    • There are two cables running directly underneath the battery. Take care not to damage them when prying with a spudger! You can see their position in the last picture.

  • Slowly lift the battery toward the button side and free it from the remaining hidden piece of adhesive.

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  • Remove the other five Phillips #00 screws from the motherboard.

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  • Disconnect the motherboard flex cable as well as the power and volume button cable.

  • Unplug the LCD screen flex cable.

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  • Remove the motherboard assembly.

  • Remove the earpiece speaker (mind adhesive underneath).

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  • Remove the proximity sensor module from its bracket.

    • If the new display unit does not have the rubber gasket of the proximity sensor already installed you have to transfer it from the old one.

  • Carefully peel off the motherboard flex cable.

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  • Remove the three Phillips #00 screws from the daughterboard.

  • Remove the metal bracket.

  • Unplug the motherboard flex connector and put the cable aside.

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  • Disconnect the headphone jack flex connector.

  • Unplug the antenna cable.

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  • Unplug the connector of the loudspeaker.

  • Remove the daughterboard.

  • Pry the speaker off of the adhesive holding it to the display assembly.

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  • Remove the headphone jack out of its recess.

  • Pry the vibration out of its adhered recess in the display assembly.

  • Carefully remove the fragile contact cable from the adhesive holding it to the frame.

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  • Remove the antenna cable and the power and volume bottom cable on either side.

  • Inspect the new part carefully and compare it to the old one. There might be some small parts that have to be transferred.

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Conclusão

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

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