⚠️ Before disassembling, do not forget to turn your phone off.
Disassembly/Repair of the mobile device Huawei Honor 9A (Huawei Honor 9A MOA-LX9N) with each step description and the required set of tools.
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.
⚠️ 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
Using a spudger or a plastic pick, carefully, around the edge, detach the back cover clips, and remove it.
Do not insert the tool deeply or bend it. Otherwise, the housing may be tampered with or damaged.
⚠️ Be careful when opening the cover from the volume and power buttons side. Thin cable and fragile buttons are straightforward to damage.
⚠️ Pay attention to the fingerprint sensor cable connected to the back cover from the inside.
Step 5. Unscrew the screws
Using a screwdriver (Phillips 1.5 mm PH000), unscrew the five long screws.
Step 6. Unscrew the screws
Using a screwdriver (Phillips 1.5 mm PH000), unscrew the four short screws.
ℹ️️ 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 7. 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 8. Disconnect the battery connector
Disconnect the battery connector as soon as possible.
ℹ️️ The Huawei Honor 9A MOA-LX9N model has a battery HB526489EEW with 5000 mAh capacity (aka rechargeable battery).
⚠️ 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 12. Disconnect the connectors
Disconnect the coaxial cable connector, cables to the mainboard, on the daughterboard.
⚠️ 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 13. 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.
ℹ️️ The board contains a charging port (Micro USB), microphone, headphone jack, spring contacts for the speaker, vibration motor, and an antenna unit.
⚠️ It is not necessary to insert the tool under the board when removing the sub-board. Internal components could be damaged.
Step 14. Remove the battery
Carefully remove the battery. ⚠️ The battery is glued from the inside so do it carefully.
Step 15. Disconnect the connectors
Pry up the connectors of the display module cable, inter-board cable, and coaxial cable. Also, disconnect and remove three rear cameras and one front (selfie) camera.
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.
⚠️ 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
ℹ️️ In the display frame remained: the earpiece speaker, cables, and vibration motor.
Detailed disassembly instructions of Huawei Honor 9A in the video, made by our mobile repair & service center:
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