â ī¸ Before disassembling, do not forget to turn your phone off.
Moderate
17 min
Recommended tools
Disassembly/Repair of the mobile device Huawei Y8P (Huawei Y8P AQM-LX1) with each step description and the required set of tools.
Author, currently - Quality Assurance Specialist
Step 2. Remove the tray
Use the Key tool (aka Needle) or Paperclip. Push the tip all the way into the hole until the tray ejects, and then pull the tray of SIM and Memory card (Micro SD) out.
â ī¸ Pay attention! The tool must be inserted into a hole on the edge of the phone's housing. Do not press too hard. It may break the tray eject mechanism.
Step 3. Open the back cover
We recommend using a special heating device such as a separator machine, heat gun, or heating mat. It will simplify the process. You can use a home hairdryer, but you will have to make a nozzle by hand or have a suitable one in the kit to gently heat and concentrate the heat flow in the right place.
âšī¸ī¸ The surface of the back cover must be heated to soften the adhesive underneath. The approximate heating temperature is 50° C / 125° F.
Use a thin plastic film or pick for separation. To facilitate the process, you can use isopropyl alcohol. It is often most difficult to pass the tool between the parts to be divided. Choose the far edge from the FFC cables or buttons.
Do not use a lever or any force for separation that could damage the elements inside.
Step 5. Unscrew the screws
Using a screwdriver (Phillips 1.5 mm PH000), unscrew two screws.
âšī¸ī¸ Be sure to note the location of the screws before disassembling. When assembling the device, screwing the screw in the wrong place may damage the device or its part. To avoid damage, the removed screws and individual pieces (as gaskets or brackets) must be laid out in the appropriate order, or the screws and their holes in the phone must be marked with colored markers.
Step 6. Open the cover
Remove the cover with antennas that protect the printed circuit board (PCB). Try to lift the covers by the edges and not push anything between them to not accidentally touch or short-circuit anything on the PCB.
Step 7. Disconnect the battery connector
Disconnect the battery connector as soon as possible.
âšī¸ī¸ The Huawei Y8P AQM-LX1 model has a battery HB426489EEW with 4000 mAh capacity (aka rechargeable battery).
â ī¸ It is highly recommended to disconnect the connector to avoid possible short circuits during disassembly.
Also, try not to use a metal tool to disconnect the rechargeable battery connector or do it carefully.
Step 11. Disconnect the connectors
Disconnect two coaxial cable connectors, two inter-board sub-screen cables, and one fingerprint sensor cable on the daughterboard.
â ī¸ Do not pull on the cable or pry it with a sharp tool, the connectors are pretty weak and break easily, or the cable falls out of the end (lug).
Step 12. Remove the daughterboard
Remove the sub-board. It is glued to the frame with metalized tape, so to facilitate the process, the board can be heated a bit.
âšī¸ī¸ The board contains a charging port (Micro USB), microphone, spring contacts for the speaker, vibration motor, and an antenna unit.
â ī¸ It is not necessary to insert the tool under the board when removing the sub-board. Internal components could be damaged.
Step 13. Remove the cameras
Pry up the connectors and remove three rear cameras and one front (selfie) camera.
Step 14. Disconnect the connectors
Pry up the connectors of the display module cable, inter-board cable, and two coaxial cables.
â ī¸ Be careful when removing the cables from the connectors, the cables are pretty thin, and it is easy enough to break them or damage the contact tracks inside.
Step 15. Unscrew one screw
Using a screwdriver (Phillips 1.5 mm PH000), unscrew one screw securing the motherboard.
Step 16. Remove the motherboard
Carefully remove the printed circuit board. There is no need to use a lever or try to reach the board by force. Make sure that nothing is getting in the way or holding the board.
â ī¸ Do not bend the circuit board when removing it or push tools under it. Unbeknownst to yourself, you can damage components or cables from the inside.
Step 17. In the display frame remained
âšī¸ī¸ In the display frame remained: the earpiece speaker, battery, coaxial cables, and vibration motor.
Detailed disassembly instructions of Huawei Y8P in the video, made by our mobile repair & service center:
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