Phone · OnePlus · Nord N20 SE
OnePlus Nord N20 SE Logic Board Repair
Logic Board Repair guide for the OnePlus Nord N20 SE
Before you begin
Tools
- Phillips #00 screwdriver
- Heat gun or hair dryer
- Plastic prying tools
- Suction cup tool
- Spudger tool
- Tweezers
- SIM card eject tool
- Anti-static wrist strap
Parts / materials
- Replacement OnePlus Nord N20 SE logic board
- Pre-cut back cover adhesive tape
- 99% Isopropyl alcohol
Safety
- Disconnect the battery immediately after removing the protective cover to avoid short-circuiting components.
- Wear an anti-static wrist strap throughout the procedure to prevent electrostatic damage to logic board ICs.
- Do not bend or puncture the battery cell when using plastic opening tools near the frame.
Overview
Step-by-step
- 1
Power Off the Phone
1 minPress and hold the power button, then tap Power Off to completely turn off the device.
- 2
Eject the SIM Tray
1 minInsert a SIM eject pin into the hole on the left edge of the phone to pop out the SIM tray.
- 3
Warm the Rear Cover
2 minApply heat with a heat gun to the back cover edges for two minutes to soften the adhesive.
- 4
Attach the Suction Cup
1 minPlace a suction cup near the bottom edge of the back panel and pull upward firmly to create a gap.
- 5
Slice the Back Adhesive
4 minInsert a plastic opening pick into the gap and slide along all four edges to cut through the adhesive.
- 6
Remove the Back Cover
1 minCarefully lift the back cover straight off the frame and set it aside.
- 7
Unscrew the Motherboard Bracket
3 minRemove the Phillips #00 screws securing the plastic upper motherboard cover.
- 8
Detach the Plastic Cover
1 minInsert the flat end of a spudger under the motherboard shield and lift it out of the chassis.
- 9
Disconnect the Battery Cable
1 minUse a plastic spudger to pry up the battery press-connector on the mainboard to cut power.
- 10
Unplug the Display Cable
1 minPry up the main display flex cable connector from the right side of the logic board.
- 11
Disconnect the Interconnect Cable
1 minDisconnect the main flex cable that bridges the motherboard to the sub-board.
- 12
Disconnect Camera Modules
2 minPry up the front-facing camera and rear camera flex connectors from the board.
- 13
Unplug Antenna Coaxial Cables
2 minUse fine-tip tweezers to gently pop off the coaxial antenna heads from their logic board sockets.
- 14
Remove Board Retaining Screws
2 minRemove any remaining Phillips screws anchoring the logic board to the frame assembly.
- 15
Lift Out the Logic Board
2 minPry under the bottom edge of the logic board with a spudger and remove it from the device.
- 16
Transfer Cameras to New Board
3 minMove the front and rear camera modules over to the replacement logic board if necessary.
- 17
Seat the New Logic Board
2 minAlign the top edge of the new logic board into the frame and lower it carefully into place.
After your OnePlus Nord N20 SE logic board repair
Power the Nord N20 SE 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 OnePlus Nord N20 SE job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.
Keep learning
Explore more OnePlus Nord N20 SE repair context in the encyclopedia, or open related DIY guides.
