Phone · Motorola · Moto Edge 40
Motorola Moto Edge 40 Screen Replacement
Screen Replacement guide for the Motorola Moto Edge 40
Before you begin
Tools
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Precision screwdriver set (Phillips #000)
- Tweezers
- Spudger tool
- Screen removal tools
Parts / materials
- Pre-cut screen adhesive strips
- Rear cover adhesive tape
- Isopropyl alcohol (99%)
- Clean workspace mat
Safety
- Wear protective safety glasses when handling cracked screen glass.
- Disconnect battery flex immediately after opening to prevent electrical short circuits.
- Do not puncture, bend, or force the lithium-ion battery.
- Use heat gun cautiously to avoid overheating battery or delicate internal components.
Overview
Step-by-step
- 1
Power down the device
1 minPress and hold the Power button, then select Power Off on the screen before beginning repair.
- 2
Eject the SIM card tray
1 minInsert a SIM eject tool into the hole on the bottom frame and pull out the SIM tray.
- 3
Heat the rear glass panel
3 minApply heat gun evenly around the back panel edges for 2 to 3 minutes to soften internal adhesive.
- 4
Attach suction cup to back cover
1 minPlace suction cup near the bottom edge of the back panel and pull gently upward to create a small gap.
- 5
Insert opening pick under rear cover
3 minSlide a thin plastic opening pick into the gap and slice along the perimeter adhesive.
- 6
Remove the rear panel
1 minCarefully lift the rear cover straight off the frame and set it aside safely.
- 7
Unscrew motherboard cover
2 minUse a Phillips #000 screwdriver to remove all visible screws securing the upper motherboard cover.
- 8
Detach upper motherboard shield
2 minPry up and remove the plastic upper cover including the wireless charging coil assembly.
- 9
Disconnect the battery flex
1 minUse a plastic spudger to pop the battery flex connector straight up off the motherboard socket.
- 10
Unscrew bottom loudspeaker
2 minRemove the Phillips #000 screws securing the bottom loudspeaker assembly to the frame.
- 11
Remove the loudspeaker
1 minPry out the loudspeaker module from the bottom frame to access sub-board connectors.
- 12
Disconnect display flex cable
1 minUnclip the main screen display flex connector from the motherboard using a spudger.
- 13
Heat the front display panel
3 minApply heat gun around the front glass edges for 3 minutes to soften screen frame glue.
- 14
Insert opening pick under screen
4 minGently push a thin pick between glass display and frame, slicing through adhesive around edges.
- 15
Separate display from frame
2 minThread the screen flex cable through the frame slot and carefully lift damaged screen off.
- 16
Clean old adhesive from frame
4 minScrape remaining adhesive off frame edges and wipe clean using isopropyl alcohol.
- 17
Apply new screen adhesive
3 minLay down pre-cut double-sided adhesive strips smoothly along all inner frame borders.
- 18
Mount the replacement screen
2 minThread new screen flex cable through frame opening and firmly align display into housing.
- 19
Connect display flex cable
1 minPress display flex cable connector onto motherboard socket until you feel a firm click.
- 20
Reconnect battery flex cable
1 minAlign and press battery flex connector firmly back into motherboard socket.
- 21
Reinstall loudspeaker and top shield
3 minReposition lower speaker and upper motherboard cover, securing both with Phillips screws.
- 22
Reseal rear panel
2 minApply fresh rear cover adhesive strips, position back panel, and press firmly along edges.
After your Motorola Moto Edge 40 screen replacement
Power the Moto Edge 40 back on and test the screen replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Motorola Moto Edge 40 job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Motorola Moto Edge 40 repair context in the encyclopedia, or open related DIY guides.

