Phone · Motorola · Moto G31
Motorola Moto G31 Screen Replacement
Screen Replacement guide for the Motorola Moto G31
Before you begin
Tools
- Heat gun or hair dryer
- Phillips #00 screwdriver
- Plastic opening picks
- Spudger tool
- Suction cup tool
- Tweezers
- SIM ejector tool
Parts / materials
- Replacement Moto G31 OLED screen assembly
- Pre-cut display adhesive strips or frame glue
- Isopropyl alcohol (99%)
- Microfiber cleaning cloth
Safety
- Wear safety glasses to protect your eyes from fine glass shards when removing cracked glass.
- Disconnect the battery press-connector immediately after opening the device to prevent electrical short circuits.
- Do not overheat the phone frame; keep heat gun temperature below 80°C (175°F).
Overview
Step-by-step
- 1
Eject SIM Card Tray
2 minInsert a SIM eject tool into the hole next to the SIM tray on the left edge. Push firmly to pop the tray out and remove it completely.
- 2
Heat Back Cover Edges
2 minUse a heat gun or hair dryer to warm the perimeter of the back cover for 2 minutes. This softens the adhesive securing the plastic rear panel.
- 3
Pry Off Back Cover
4 minInsert a thin plastic opening pick into the seam between the back cover and frame. Slide along the edges to release the plastic clips and adhesive.
- 4
Unscrew Top Motherboard Bracket
3 minUse a Phillips #00 screwdriver to remove the screws holding the upper plastic motherboard bracket. Keep screws organized by location.
- 5
Remove Top Motherboard Bracket
2 minGently pry up the motherboard cover using a spudger and lift it off the frame.
- 6
Disconnect Battery Cable
1 minLocate the battery connector on the motherboard. Use the flat end of a spudger to snap the battery press-connector straight up.
- 7
Unscrew Lower Speaker Enclosure
3 minRemove the Phillips screws securing the lower loudspeaker assembly to the bottom of the frame.
- 8
Remove Speaker Enclosure
2 minInsert a spudger under the speaker module and lift it out of the phone chassis.
- 9
Disconnect Display Flex Cable
1 minLocate the display ribbon cable on the lower circuit board. Pry it up carefully with a spudger.
- 10
Heat Front Glass Panel
2 minApply heat across the front display edges for 2 minutes to loosen the factory display tape.
- 11
Attach Suction Cup
1 minPress a suction cup onto the lower portion of the cracked front glass to gain leverage.
- 12
Slice Screen Adhesive
5 minPull up on the suction cup while inserting a plastic pick under the screen bezel. Slice through the adhesive along all four edges.
- 13
Remove Damaged Screen
2 minLift the old screen away from the frame while carefully guiding the ribbon cable out through the frame slot.
- 14
Clean Frame Perimeter
4 minScrape away remaining glue and glass bits from the frame recessed ledge using a spudger and isopropyl alcohol.
- 15
Apply Screen Adhesive
3 minApply thin double-sided adhesive strips or a thin bead of frame adhesive along the cleaned inner frame ledges.
- 16
Route New Display Flex Cable
3 minThread the flex ribbon of the replacement screen through the frame slot from the front. Align the screen display flush into the frame.
- 17
Connect Display Ribbon
1 minAlign and press down on the display flex connector until it snaps firmly onto the subboard.
- 18
Reconnect Battery Connector
1 minSnap the battery ribbon cable connector back onto its motherboard socket.
- 19
Reinstall Speaker Enclosure
2 minPlace the speaker module into the bottom housing and secure it using the Phillips screws.
- 20
Reinstall Upper Motherboard Bracket
3 minSet the upper protective bracket in place and tighten all retaining Phillips screws.
- 21
Snap On Rear Cover
3 minAlign the plastic back cover over the frame and press firmly around all edges until it snaps securely into place.
- 22
Reinsert SIM Tray
1 minSlide the SIM card tray back into its slot on the side of the phone until flush.
After your Motorola Moto G31 screen replacement
Power the Moto G31 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 G31 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 G31 repair context in the encyclopedia, or open related DIY guides.

