Phone · Samsung · Galaxy A14
Samsung Galaxy A14 Logic Board Repair
Logic Board Repair guide for the Samsung Galaxy A14
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Plastic spudger
- Plastic opening picks
- Suction cup tool
- Tweezers
- SIM eject tool
- Anti-static wrist strap
Parts / materials
- Pre-cut back cover adhesive replacement
- 99% Isopropyl alcohol
Safety
- Disconnect the battery before touching internal components to prevent electrical shorts.
- Wear safety glasses while heating the plastic housing to avoid injury from unexpected cracks or debris.
- Do not puncture or bend the lithium-ion battery during disassembly.
Overview
Step-by-step
- 1
Eject the SIM Card Tray
1 minInsert a SIM eject tool or paperclip into the small hole next to the SIM tray, then press firmly to eject the tray.
- 2
Heat the Back Cover
2 minUse a heat gun or hair dryer on low heat to warm the outer edges of the back cover for approximately two minutes to soften the internal adhesive.
- 3
Attach Suction Cup and Create Gap
3 minPlace a suction cup near the bottom edge of the back cover, pull upward gently, and slide a thin plastic opening pick into the resulting gap.
- 4
Slice the Peripheral Adhesive
4 minSlide the plastic pick carefully around all four edges of the back cover to cut through the remaining adhesive.
- 5
Remove the Back Cover
1 minLift the rear cover straight up from the phone body and set it aside on a clean surface.
- 6
Unscrew the Upper Midframe
3 minUse a Phillips #00 screwdriver to remove the 11 screws securing the plastic motherboard frame and upper speaker bracket.
- 7
Unsnap the Upper Midframe Cover
2 minInsert a plastic spudger into the notch along the side of the upper midframe and pry gently to release it from the frame housing.
- 8
Disconnect the Battery Cable
1 minPry the battery press connector straight up off the logic board using the flat edge of a plastic spudger to eliminate electrical hazard.
- 9
Disconnect the Display Cable
1 minUse your plastic spudger to unclip the primary display flex cable connector from the right side of the logic board.
- 10
Disconnect the Interconnect Cable
1 minPry up the sub-board interconnect cable press connector located next to the display cable on the logic board.
- 11
Disconnect the Antenna Cables
2 minUse fine-tip tweezers to gently unclip the black and white coaxial antenna cables from their sockets on the lower edge of the board.
- 12
Remove the Motherboard Screw
1 minRemove the single Phillips #00 screw holding the top left corner of the logic board to the frame.
- 13
Lift Out the Logic Board
2 minGrasp the logic board by its edges, lift the top portion upward, and remove it from the phone body.
After your Samsung Galaxy A14 logic board repair
Power the Galaxy A14 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 A14 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 A14 repair context in the encyclopedia, or open related DIY guides.
