Phone · Apple · iPhone 4S
Apple iPhone 4S Speaker Repair
Speaker Repair guide for the Apple iPhone 4S
Before you begin
Tools
- P2 Pentalobe screwdriver
- Phillips #00 screwdriver
- Plastic spudger
- Precision tweezers
- Suction cup
Parts / materials
- Replacement iPhone 4S speaker assembly
- Pre-cut battery enclosure adhesive strips
Safety
- Discharge the phone battery below 25% before starting work to avoid fire risk if punctured.
- Wear protective eyewear to guard against tiny loose metal screws or chipped glass.
- Always disconnect the battery connector before handling lower internal ribbon cables.
Overview
Step-by-step
- 1
Turn off the iPhone
1 minPress and hold the top power button until the slider appears on screen. Slide the knob right to power off the device completely.
- 2
Remove the bottom pentalobe screws
2 minUse a P2 Pentalobe screwdriver to remove the two 3.6 mm screws located on either side of the 30-pin dock connector.
- 3
Slide off the rear panel
1 minPush the rear glass panel upward toward the top edge of the phone until it slides open about 2 mm. Lift the panel away from the inner frame and set it aside.
- 4
Unscrew the battery connector bracket
2 minUse a Phillips #00 screwdriver to remove the two screws securing the battery connector bracket to the logic board. Note that the top screw is slightly shorter.
- 5
Disconnect the battery cable
1 minInsert the edge of a plastic spudger beneath the battery connector and gently pry it straight up from the socket. Be careful not to lose the tiny contact clip located under the connector.
- 6
Remove the battery
2 minPull the clear plastic pull-tab gently to lift the battery out of the case. If stuck, use a spudger on the right side of the battery to pry it away from the adhesive.
- 7
Unscrew the dock cable cover
2 minRemove the two Phillips #00 screws holding the metal dock connector cable bracket in place.
- 8
Disconnect the dock ribbon cable
1 minUse the flat end of a spudger to pry the dock connector ribbon cable straight up off its logic board socket.
- 9
Peel back the dock ribbon cable
1 minGently peel the flexible dock connector ribbon cable back from the speaker enclosure housing.
- 10
Unscrew the speaker enclosure
2 minRemove the two Phillips #00 screws holding the speaker housing to the lower inner frame.
- 11
Lift out the old speaker assembly
1 minUse tweezers or a spudger to carefully lift the speaker enclosure out from the bottom of the phone case.
- 12
Insert the replacement speaker assembly
2 minLower the new speaker module into the bottom of the outer casing, aligning its screw holes with the frame mounts.
- 13
Secure the speaker screws
2 minThread and tighten the two Phillips #00 screws to hold the new speaker assembly firmly in place.
- 14
Reconnect the dock connector cable
3 minAdhere the ribbon cable across the speaker housing, press the connector firmly onto the logic board socket, and replace the metal cover bracket.
- 15
Reinstall the battery
3 minPosition the battery back in the housing, snap the connector onto the logic board along with its contact clip, and reattach the bracket screws.
- 16
Reattach the rear panel
2 minPlace the rear panel onto the phone frame slightly offset, slide it down until flush, and tighten the two bottom pentalobe screws.
After your Apple iPhone 4S speaker repair
Power the iPhone 4S 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 Apple iPhone 4S job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Apple iPhone 4S repair context in the encyclopedia, or open related DIY guides.

