⚠️ Before disassembling, do not forget to turn your phone off.
Disassembly of the mobile device Motorola Moto E4 XT1762 with each step description and the required set of tools.
Step 2. 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.
Step 3. Remove the battery
Remove the battery.
ℹ️️ The Motorola Moto E4 (XT1762) model has a battery GK40 with 2800 mAh capacity (aka rechargeable battery).
Step 5. Remove 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.
⚠️ It is crucial while reassembling, checking the spring contacts on the board, and the contact pads on the cover match and touch. Otherwise, signal loss or signal may be quite weak.
Step 9. Disconnect the connectors
Disconnect the coaxial cable connector, cables to the mainboard, and inter-board sub-screen cable 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. Unscrew one screw
Using a screwdriver (Phillips 1.5 mm PH000), unscrew one screw securing the sub-board.
Step 11. 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, vibration motor, spring contacts for the speaker, 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. Unscrew the screws
Using a screwdriver (Phillips 1.5 mm PH000), unscrew two screws securing the motherboard.
Step 13. Disconnect the connectors
Pry up the connectors of power volume buttons cable, display module cable, coaxial cable.
Turn the PCB over.
⚠️ 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.
Detailed disassembly instructions of Motorola Moto E4 XT1762 in the video, made by our mobile repair & service center:
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