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OnePlus 3 Screen Replacement

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Step 1 - Before You Start

  • - Discharge the battery bellow 25%.
    - Turn off your OnePlus 3.
    - Remove the SIM card using a SIM eject tool, or a straightened paperclip.

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Step 2 - Removing The Back Cover
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  • - Start with removing 2x 2.6mm T2 screws from the bottom.
    - The screen and the body are joined by two different seams:
    - Display panel seam and frame seam.
    - Avoid prying at the display panel seam, you can damage the panel.
    - Pry at the frame seam where the plastic meets the frame.
    - 14 clips fasten the frame to the rear case.
    - Locate them and carefully proceed with the back cover removal.
    - Put a suction cup at the bottom of the display.
    - With enough force, use the suction cup too slightly to lift the display off the frame.
    - Insert the plastic opening tool into the seam below the suction cup.
    - Ensure that the opening is wedged between the display panel frame and the cover's lip.
    - Slip the tool into the phone's bottom edge and slide along carefully around the left corner. Keep the tool's edge in the seam at all times.
    - Keep sliding the tool along the left side of the phone, releasing the clips.
    - The last clip is near the alert switch in the upper left corner.
    - It is placed a bit deep, so it can be difficult to release.
    - Proceed slowly using an opening pick or the flat end of a tool to help you.
    - Once the bottom and the left edge of the device are free, tilt the frame gently to release the right and the top clips.
    - Remove the screen off the frame by lifting it up.

  • Caution:

    - There is a high risk of damaging the display, so follow the opening procedure properly.

  • Tip:

    - Try not to accidentally power on the phone. In case you do, turn it off and resume the disassembly.
    - Do not use metal when removing the display, there is a risk of cracking the screen.

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Step 3 - Removing The Battery
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  • - With the tip of a spudger pry the connector up from its socket to disconnect the battery.
    - Bend the connector away to prevent accidental contact with the socket.
    - Unscrew and remove the 3mm Phillips screw securing the metal bracket.
    - Remove the cable bracket to expose the connectors.
    - Disconnect the interconnect flex cable using the point of a spudger. Do the same with the daughterboard flex cable and the motherboard.
    - At the bottom of the phone, below the battery, separate the interconnect flex cable from the daughterboard.
    - Once the interconnect flex cable is removed, carefully bend the daughterboard flex cable which is still attached away from the phone's battery.
    - There should be adhesive tapes holding the battery to the edges of the plastic frame.
    - Use the plastic opening tool to push them off the battery.
    - There is also the transparent pull foil to peel from the battery.
    - Hold the phone frame firmly against the table.
    - Lift the transparent foil tab with force until the battery loosens from its opening.
    - Be advised that the adhesive is very strong, so you need to use solid and steady force to remove the battery.
    - Swing the battery out of its cavity, and remove any remaining adhesive.

  • Caution:

    - Be careful not to puncture the battery, especially with a metal tool.

  • Tip:

    - You can apply some high concentration isopropyl alcohol along the battery seam to weaken the adhesive.

  • Note:

    - If the battery is bent or otherwise damaged, you should use a new battery, due to potential safety hazards
    - Wear eye and hand protection.

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Step 4 - Removing The Daughterboard
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  • - The capacitative button connector should be disconnected from the daughterboard. - Then disconnect the connector for the fingerprint scanner as well.
    - With the point of a spudger disconnect the antenna from the daughterboard.
    - Remove 7x Phillips screws which secure the daughterboard:
    - 2x 3mm screws (black),
    - 5x 2.9mm screws (silver).
    - Insert the spudger's flat end under the loudspeaker and twist it gently until the daughterboard releases itself from the two side clips.
    - Now you can remove the daughterboard from the phone frame.

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Step 5 - Removing The Fingerprint Scanner
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  • - Insert the edge of the tool under the fingerprint scanner cover near the device's bottom edge.
    - Pry the fingerprint scanner up and remove it.
    - Firmly push the fingerprint scanner with your finger from the display front.
    - The scanner should dislodge from the cutout, so you can peel it off the frame together with its tape.
    - Remove the scanner.

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Step 6 - Removing The Motherboard
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  • - Disconnect the anntena cable from the motherboard.
    - Pry to separate the display connector and the motherboard.
    - Remove 7x Phillips screws for the motherboard:
    - 4x 3mm screws (black),
    - 3x 2.9mm screws (silver).
    - Some screws may have stickers over them, remove them so you can access the screws.
    - You can see clips near the top still holding the motherboard in place.
    - Insert the flat end of the tool under the upper left corner of the motherboard.
    - Twist the spudger up until you free the motherboard.
    - The motherboard can now be removed.

  • Note:

    - Doublecheck if you have ejected and removed the SIM tray before attempting to remove the motherboard.

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Step 7 - Removing The Power And Volume Button Assembly
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  • - Remove the black tape which covers the volume buttons on the right and the power button on the left.
    - Use the spudger's flat end to separate the volume button board from the frame gently.
    - Use the tool to loosen the power button from the frame's left edge by prying.
    - Insert the point under the rectangular contact pad with tweezers, then pry and loosen it.
    - Lift the volume flex cable to remove it from its groove.
    - Since you loosened the contact pad now you can remove it along with the volume and power button.

  • Tip:

    - You can reuse the back tape pieces so try not to tear them.
    - But, no worry, you can use electrical tape.

  • Caution:

    -If the volume button board bends significantly, stop immediately and pry from a different angle.

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Step 8 - Removing The Earpiece Speaker, Antenna And Ground Clips
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  • - Using the tweezer tips under one of the earpiece speaker clips you can pry to remove the earpiece.
    - Pry up slowly to remove the earpiece speaker.
    - Remove the earpiece speaker.
    - Remove 2x 1.9mm Phillips screws holding the frame grounding clips.
    - Remove the two frame grounding clips to transfer them to the new LCD assembly.

  • Caution:

    -If the earpiece speaker clip starts to bend upwards, stop and try with another clip.

  • Note:

    - The ground clips are directional so make sure to install them correctly.

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Step 9 - Reassembly
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  • - Reassembly is pretty straightforward, almost reversing the disassembly process.
    - You should start transferring the parts previously removed from the old assembly.
    - Start with the ground contacts and then proceed with the antenna cable.
    - Install the volume button and power button flex,
    - Install the ear speaker,
    - Install the motherboard,
    - Install the daughterboard,
    - The battery is next to be installed,
    - After the battery is installed, you can reconnect the flex cables to the motherboard and secure the connectors with the bracket.
    - At the end, you connect the battery.
    - Install the back cover and secure it with the two 2.6mm T2 screws.
    - Insert the sim tray, and you can power on your device.
    - And your repair is done.