Phone · Samsung · Galaxy Note 4
Samsung Galaxy Note 4 Logic Board Repair
Logic Board Repair guide for the Samsung Galaxy Note 4
Before you begin
Tools
- Phillips #00 Screwdriver
- Plastic Prying Tools
- Spudger
- Precision Tweezers
- Anti-Static Wrist Strap
Parts / materials
- Replacement Galaxy Note 4 Logic Board
- Isopropyl Alcohol (99%)
- Lint-Free Microfiber Cloth
Safety
- Power off the device completely before beginning disassembly.
- Wear an anti-static wrist strap to protect sensitive microchips from electrostatic discharge.
- Handle the lithium-ion battery with care and do not puncture or bend it.
Overview
Step-by-step
- 1
Eject the S Pen
1 minPress the S Pen stylus to unlatch it, then slide it completely out from its slot at the bottom corner.
- 2
Remove the Rear Cover
1 minInsert a fingernail or plastic opening tool into the notch at the top of the rear cover and pry it off.
- 3
Remove the Battery
1 minLift the battery out from the recess at the bottom of the battery compartment.
- 4
Remove SIM and MicroSD Cards
1 minPress and slide out both the micro-SIM card and the microSD card from their respective slots.
- 5
Unscrew the Midframe
4 minUse a Phillips #00 screwdriver to remove all 16 screws securing the midframe to the display assembly.
- 6
Separate the Midframe
3 minInsert a plastic pry tool between the chrome bezel and the glass edge to release the plastic clips surrounding the frame.
- 7
Disconnect Front Camera Connector
2 minUse the flat end of a spudger to pry the front-facing camera flex cable connector straight up off the board.
- 8
Disconnect Headphone Jack and Earpiece
2 minPry up the flex cable connector for the headphone jack and earpiece speaker assembly located at the top left.
- 9
Disconnect Display Flex Cable
2 minDisconnect the display press connector from the right side of the logic board using a spudger.
- 10
Disconnect Lower Daughterboard Cables
2 minGently disconnect the charging port and soft key flex connectors near the bottom section of the board.
- 11
Disconnect Antenna Coaxial Cables
2 minUse fine tweezers to carefully pry up the blue and white RF antenna coax connectors from the logic board.
- 12
Remove Logic Board Retaining Screw
1 minRemove the single Phillips #00 screw securing the upper portion of the logic board to the frame.
- 13
Lift Out the Logic Board
2 minGrasp the logic board by the edges, lift it up from the bottom end, and remove it from the phone body.
After your Samsung Galaxy Note 4 logic board repair
Power the Galaxy Note 4 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 Note 4 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 Note 4 repair context in the encyclopedia, or open related DIY guides.
