⚠️ Before disassembling, do not forget to turn your phone off.
Disassembly/Repair of the mobile device Huawei Y6 (2019) (Huawei Y6 (2019) MRD-LX1F) 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 glued to the back cover from the inside.
Step 4. Remove the bracket
Using a screwdriver (Phillips 1.5 mm PH000), unscrew the three screws and remove the bracket holding the connectors.
Step 5. Disconnect the battery connector
Disconnect the battery connector as soon as possible.
ℹ️️ The Huawei Y6 (2019) MRD-LX1F model has a battery HB405979ECW with 3020 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 6. Disconnect the connector
Disconnect the fingerprint sensor connector and remove the back cover.
Step 9. 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 10. 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, 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 12. 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.
ℹ️️ On the upper cover, you can see the metalized coating on the plastic in the form of tracks and contact pads. These are Wi-Fi, Bluetooth, and GPS antennas.
Step 13. Disconnect the connectors
Pry up the connectors of power volume buttons cable, display module cable, inter-board cable, and coaxial cable.
Step 16. Unscrew the screws
Using a screwdriver (Phillips 1.5 mm PH000), unscrew two 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.
Step 17. 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 18. In the display frame remained
ℹ️️ In the display frame remained: the earpiece speaker, battery, coaxial cable, and vibration motor.
Detailed disassembly instructions of Huawei Y6 (2019) in the video, made by our mobile repair & service center:
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