Phone · Motorola · Moto G40 Fusion
Motorola Moto G40 Fusion Screen Replacement
Screen Replacement guide for the Motorola Moto G40 Fusion
Before you begin
Tools
- Phillips #000 screwdriver
- Heat gun or hair dryer
- Plastic opening picks
- Suction cup tool
- Spudger tool
- Tweezers
- SIM card eject tool
Parts / materials
- Replacement display assembly for Moto G40 Fusion
- Double-sided screen adhesive tape
- 90%+ Isopropyl alcohol
- Lint-free cloth
Safety
- Wear safety glasses to protect eyes from glass splinters during screen removal.
- Disconnect the battery immediately after removing the motherboard shield to prevent short circuits.
- Keep heat gun temperatures under 90°C (194°F) to avoid damaging plastic components.
- Handle cracked screen glass carefully to avoid puncture or cut injuries.
Overview
Step-by-step
- 1
Eject the SIM tray
1 minInsert a SIM eject tool or thin paperclip into the hole on the left edge of the phone. Push firmly to pop the tray out and remove it.
- 2
Warm the rear panel
3 minApply heat around the edges of the back cover for two minutes using a heat gun. This softens the factory adhesive securing the plastic panel.
- 3
Insert prying pick under back cover
2 minAttach a suction cup near the bottom edge and pull upward to create a slight gap. Insert an opening pick beneath the plastic cover.
- 4
Slice rear cover adhesive
3 minSlide the opening pick around all four edges of the back cover to cut through the tape. Keep the pick depth under 5mm to avoid internal components.
- 5
Disconnect fingerprint sensor flex
2 minLift the rear panel slowly from the right side like a book. Use a spudger to pop the fingerprint flex cable connector off the motherboard.
- 6
Remove upper frame screws
4 minUse a Phillips #000 screwdriver to remove all 11 screws holding the plastic motherboard shield in place.
- 7
Detach upper motherboard cover
2 minPry gently beneath the edge of the black motherboard cover using a flat spudger. Lift it off the phone frame and set it aside.
- 8
Disconnect battery flex cable
1 minPry the battery connector straight up from its motherboard socket using the flat end of a spudger. Disconnecting power prevents electrical shorts.
- 9
Disconnect display flex cable
1 minLocate the wide display flex cable attached to the lower right of the motherboard. Use your spudger to disconnect it from the socket.
- 10
Heat front screen perimeter
4 minApply continuous heat around all four sides of the display glass for three minutes. Keep the heat gun moving constantly to prevent thermal damage.
- 11
Attach suction cup to display
1 minPlace a suction cup onto the lower third of the display glass. Press down firmly to establish a strong vacuum seal.
- 12
Insert opening pick beneath display
2 minPull up on the suction cup handle to create a tiny gap between the glass screen and frame. Slide an opening pick into the gap.
- 13
Slice display adhesive
4 minWork the opening pick along all outer edges of the screen frame to slice through the adhesive layer. Reapply heat if the pick meets resistance.
- 14
Lift damaged screen off frame
2 minCarefully pivot the screen away from the phone body while feeding the attached flex cable through the slot in the frame.
- 15
Scrape remaining adhesive off frame
4 minUse a spudger or flat plastic tool to scrape away all remaining glue and tape remnants along the inner frame perimeter.
- 16
Clean frame rim with alcohol
2 minDampen a lint-free cloth with isopropyl alcohol and wipe down the display channel thoroughly. Removing residual oil ensures strong adhesion.
- 17
Apply adhesive strips to frame
4 minLay fresh double-sided adhesive strips along the top, bottom, and side ledges of the internal frame. Peel off the protective film backing.
- 18
Route new screen flex cable
2 minThread the ribbon cable of the replacement display through the cutout slot in the front of the frame.
- 19
Align and seat new screen
3 minAlign the replacement display carefully with the upper bezel and lower into position. Press gently around the edges to seat the adhesive.
- 20
Reconnect display flex cable
1 minAlign the display cable connector over its socket on the motherboard. Press down firmly until it snaps into place.
- 21
Reconnect battery flex cable
1 minAlign the battery connector with its socket on the motherboard and press straight down to re-establish power connection.
- 22
Reattach motherboard cover
2 minPlace the upper motherboard shield over the top portion of the phone. Press down until the plastic side tabs click into the frame.
- 23
Secure upper frame screws
3 minReinsert and tighten the 11 Phillips screws into the motherboard cover until snug.
- 24
Reconnect fingerprint sensor flex
2 minHold the rear panel close to the phone and align the fingerprint reader flex connector. Press it onto the motherboard until secured.
- 25
Press back cover onto frame
2 minAlign the rear cover with the body of the phone. Press firmly around all edges until the perimeter clips snap completely closed.
- 26
Reinsert SIM card tray
1 minSlide the SIM card tray back into the slot on the left edge of the device until it sits flush with the casing.
After your Motorola Moto G40 Fusion screen replacement
Power the Moto G40 Fusion 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 G40 Fusion 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 G40 Fusion repair context in the encyclopedia, or open related DIY guides.
