Phone · OnePlus · Nord N300 5G
OnePlus Nord N300 5G Speaker Repair
Speaker Repair guide for the OnePlus Nord N300 5G
Before you begin
Tools
- Precision screwdriver set
- Plastic opening tools
- Anti-static wrist strap
- Tweezers
- Heat gun or iOpener
- Suction handle
- Opening picks
- Plastic spudger
Parts / materials
- Replacement OnePlus Nord N300 loudspeaker
- Pre-cut back cover adhesive
- High-concentration isopropyl alcohol (90%+)
Safety
- Power off the phone completely before starting the repair to prevent electrical shorts.
- Wear safety glasses when heating and prying plastic and glass surfaces.
- Do not puncture or bend the battery located adjacent to the lower assembly.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the Power and Volume Up buttons, then select Power Off to turn down the device completely.
- 2
Eject SIM Card Tray
1 minInsert a SIM eject tool into the hole on the left edge of the phone to remove the SIM tray.
- 3
Heat Back Cover
2 minApply a heat gun or iOpener around the edges of the back panel for two minutes to soften the adhesive.
- 4
Attach Suction Cup
2 minPlace a suction cup near the bottom edge of the rear panel and pull upward to create a small gap.
- 5
Insert Opening Pick
2 minSlide a plastic opening pick into the gap created between the frame and the back panel.
- 6
Slice Perimeter Adhesive
4 minSlide the opening pick around all four edges of the back cover to cut through the remaining adhesive.
- 7
Remove Rear Cover
2 minLift the rear cover straight up and off the phone chassis, being mindful of internal flex cables.
- 8
Unscrew Loudspeaker Module
3 minUse a Phillips #00 screwdriver to remove the screws securing the bottom speaker housing to the frame.
- 9
Pry Up Speaker Assembly
2 minInsert the flat end of a plastic spudger under the notch of the speaker housing and gently pry it upward.
- 10
Remove Defective Speaker
1 minUse precision tweezers to lift the original speaker module out of the lower chassis cavity.
- 11
Install Replacement Speaker
2 minSet the new loudspeaker module into the lower frame cutout, aligning its gold contact pads with the motherboard pins.
- 12
Fasten Speaker Screws
3 minReinstall the Phillips screws into the lower speaker housing until secure.
- 13
Clean Frame Adhesive
3 minDampen a microfiber cloth with high-percentage isopropyl alcohol and wipe old adhesive off the frame edges.
- 14
Apply Pre-Cut Adhesive
3 minAlign and press a new adhesive strip onto the perimeter of the phone frame, then peel off the protective backing.
- 15
Reattach Rear Cover
2 minPlace the rear cover onto the frame and press firmly along all edges to seal the adhesive.
- 16
Reinsert SIM Tray
1 minPush the SIM card tray back into its slot on the left side of the device until it sits flush.
After your OnePlus Nord N300 5G speaker repair
Power the Nord N300 5G back on and test the speaker repair 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 OnePlus Nord N300 5G job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more OnePlus Nord N300 5G repair context in the encyclopedia, or open related DIY guides.
