Phone · Samsung · Galaxy S5 Mini
Samsung Galaxy S5 Mini Logic Board Repair
Logic Board Repair guide for the Samsung Galaxy S5 Mini
Before you begin
Tools
- Precision screwdriver set (Phillips #000)
- Plastic prying tools
- Suction cup tool
- Heat gun or hair dryer
- Spudger tool
- Tweezers
Parts / materials
- Replacement display adhesive strips
- 99% Isopropyl alcohol
- Lint-free microfiber cloth
Safety
- Wear safety glasses when heating and prying glass screens to protect against potential glass shards.
- Disconnect the battery before handling any internal electronic boards.
- Do not puncture or bend the battery during removal.
Overview
Step-by-step
- 1
Power Down the Device
1 minPress and hold the power button, then tap Power Off on the screen. Ensure the device is fully shut down before proceeding.
- 2
Remove the Rear Cover
1 minInsert a plastic prying tool or thumbnail into the pry notch near the top edge. Pry the flexible rear cover away from the chassis.
- 3
Remove the Battery
1 minUse your finger or a plastic spudger to lift the battery out from the recess at the bottom of the compartment.
- 4
Remove SIM and MicroSD Cards
1 minPush and slide out the SIM card and any installed microSD card from their respective tray slots.
- 5
Heat the Screen Edges
3 minApply heat evenly around the front display glass perimeter for two to three minutes to soften the frame adhesive.
- 6
Attach the Suction Cup
1 minPress a suction cup firmly onto the lower portion of the screen near the home button.
- 7
Slice Display Adhesive
4 minPull up gently on the suction cup to create a small gap. Insert an opening pick and slice through the adhesive around all four sides.
- 8
Disconnect the Display Cable
2 minCarefully swing the top of the display panel upward. Use a spudger to lift the display flex cable press-fit connector off the board.
- 9
Remove the Display Assembly
1 minLift the entire screen assembly off the phone frame and place it on a clean surface.
- 10
Unbolt Midframe Screws
3 minRemove all Phillips #000 screws securing the midframe to the plastic housing.
- 11
Separate the Midframe
2 minInsert a plastic prying tool along the inner frame edge to release the perimeter clips and separate the midframe.
- 12
Disconnect Camera Flex Cables
2 minUse a spudger to detach the press-fit connectors for both the front-facing and rear camera modules.
- 13
Disconnect Peripheral Connectors
2 minDisconnect the remaining ribbon cables for the headphone jack, speaker, and power buttons from the motherboard.
- 14
Remove the Logic Board
2 minGently lift the logic board out of the rear plastic housing from the top edge.
After your Samsung Galaxy S5 Mini logic board repair
Power the Galaxy S5 Mini back on and test the logic board 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 S5 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 Samsung Galaxy S5 Mini repair context in the encyclopedia, or open related DIY guides.
