Phone · Samsung · Galaxy S4 Active
Power Button Repair Guide for Galaxy S4 Active
Power Button Repair guide for the Samsung Galaxy S4 Active
Before you begin
Tools
- Phillips #00 screwdriver
- Plastic prying tools
- Spudger tool
- Tweezers
- Anti-static wrist strap
Parts / materials
- Replacement Samsung Galaxy S4 Active power button flex cable
- Isopropyl alcohol (optional, for adhesive cleanup)
Safety
- Power off the device completely before opening to prevent electrical shorts.
- Wear an anti-static wrist strap to avoid damaging delicate electronic components with electrostatic discharge.
- Do not puncture or bend the lithium-ion battery during removal or handling.
Overview
Step-by-step
- 1
Turn off the phone
1 minPress and hold the power button, then select 'Power off' on the screen. Ensure the device is completely powered down before proceeding.
- 2
Remove the rear cover
2 minInsert a plastic prying tool into the notch near the top edge of the back cover. Gently pry upwards to release the plastic clips and remove the cover.
- 3
Remove the battery
1 minInsert your fingernail or spudger into the recess at the bottom of the battery compartment. Lift the battery up and out of the phone.
- 4
Remove SIM and microSD cards
1 minSlide the micro-SIM card and microSD card out from their respective slots using your thumb.
- 5
Unscrew the midframe
5 minUse a Phillips #00 screwdriver to remove all 12 visible screws securing the midframe to the phone body.
- 6
Pry off the midframe
4 minInsert a plastic spudger between the outer bezel and the display frame near the side volume buttons. Pop the clips along the perimeter to detach the rear midframe.
- 7
Disconnect the power button flex cable
2 minLocate the power button flex cable connector near the top right corner of the motherboard. Carefully pry the press connector straight up using a spudger.
- 8
Remove the damaged power button assembly
3 minUse precision tweezers to gently peel the adhesive switch module away from the interior side wall of the frame.
- 9
Position the new power button flex cable
3 minPeel the protective backing off the adhesive on the replacement flex cable. Align the power button switch into its designated slot against the side frame.
- 10
Connect the power button flex cable
2 minAlign the flex connector with its socket on the motherboard and press down gently until it snaps into place.
- 11
Reattach the midframe
3 minPlace the midframe back over the motherboard assembly and press down firmly along the edges until all clips engage.
- 12
Secure midframe screws
5 minReinstall the 12 Phillips #00 screws around the midframe to secure it firmly to the inner housing.
- 13
Reinstall battery and cards
2 minSlide the micro-SIM and microSD cards back into their slots, then reinsert the battery into its bay.
- 14
Snap on the back cover
2 minAlign the rear cover over the back of the phone and press around the perimeter until every locking tab snaps closed.
After your Samsung Galaxy S4 Active power button repair
Power the Galaxy S4 Active back on and test the power button 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 Samsung Galaxy S4 Active job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more Samsung Galaxy S4 Active repair context in the encyclopedia, or open related DIY guides.

