Phone · LG · V20 Mini
LG V20 Mini Speaker Repair
Speaker Repair guide for the LG V20 Mini
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Suction cup tool
- Plastic prying tools
- Spudger tool
- Tweezers
- SIM eject tool
Parts / materials
- Replacement loudspeaker assembly
- Pre-cut rear glass adhesive
- Isopropyl alcohol (99%)
Safety
- Wear safety glasses to protect against potential glass shards if the rear panel breaks.
- Keep heating temperature under 80°C (176°F) to protect the internal battery from thermal damage.
- Ensure the phone remains fully powered off during the entire repair procedure.
Overview
Step-by-step
- 1
Power off the device
1 minPress and hold the power button, then tap Shut Down on the screen to completely power off the device.
- 2
Remove the SIM and SD card tray
1 minInsert a SIM eject tool into the small hole beside the SIM tray and press firmly to eject the card holder.
- 3
Heat the rear glass panel
2 minUse a heat gun or hair dryer to warm the perimeter of the back panel for about 2 minutes to soften the adhesive.
- 4
Attach a suction cup
1 minPlace a suction cup on the lower third of the rear panel and gently pull upward to create a small gap.
- 5
Slice perimeter adhesive
3 minInsert a plastic prying pick into the gap and slide it along all edges to cut through the waterproof adhesive.
- 6
Remove the rear panel
1 minLift the rear glass cover straight off the chassis and set it aside in a safe spot.
- 7
Unscrew the lower midframe
2 minUse a Phillips #00 screwdriver to remove all screws holding the lower speaker frame in place.
- 8
Pry up the lower speaker frame
2 minInsert a spudger under the edge of the lower midframe plastic and pop it loose from its retaining clips.
- 9
Extract the old loudspeaker module
1 minUse tweezers or a flat spudger to pry the original loudspeaker out from its recessed compartment in the housing.
- 10
Clean motherboard contact pads
2 minInspect the gold spring-pin contacts on the motherboard and gently wipe away any dust or residue using isopropyl alcohol.
- 11
Insert the new loudspeaker
2 minSet the new loudspeaker module into the lower frame cutout and press gently to seat it in place.
- 12
Snap the lower midframe into place
2 minPosition the lower midframe over the speaker assembly and press down along the edges until the plastic clips engage.
- 13
Fasten midframe screws
2 minReinstall and tighten all Phillips #00 screws into the lower frame until snug.
- 14
Apply new rear cover adhesive
3 minPeel and position new pre-cut adhesive strips along the inner border of the phone chassis.
- 15
Reinstall the rear glass panel
2 minAlign the rear cover with the body and press firmly along all perimeter edges to secure the water-resistant seal.
- 16
Reinsert the SIM card tray
1 minPush the loaded SIM tray into its slot until it fits completely flush against the outer housing.
After your LG V20 Mini speaker repair
Power the V20 Mini 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 LG V20 Mini job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more LG V20 Mini repair context in the encyclopedia, or open related DIY guides.
