Phone · OnePlus · Nord N100
OnePlus Nord N100 Logic Board Repair
Logic Board Repair guide for the OnePlus Nord N100
Before you begin
Tools
- Phillips #00 Screwdriver
- Heat Gun
- Plastic Opening Picks
- Spudger
- Precision Tweezers
- Soldering Iron
- Anti-static Wrist Strap
Parts / materials
- Isopropyl Alcohol (99%)
- Solder Flux
- Desoldering Braid
- Replacement Back Cover Adhesive
Safety
- Wear safety glasses to protect eyes from hot flux and solder splatters.
- Wear an anti-static wrist strap grounded to an unpainted metal surface to prevent ESD damage.
- Disconnect the battery before touching electrical components on the logic board.
Overview
Step-by-step
- 1
Power Off Phone
1 minPress and hold the power button, then select Power Off to completely shut down the device.
- 2
Eject SIM Card Tray
1 minInsert a SIM eject tool into the hole next to the tray on the left edge. Push firmly to pop the tray out.
- 3
Heat the Back Cover
2 minApply a heat gun to the perimeter of the back cover for two minutes to soften the adhesive.
- 4
Slice Back Cover Adhesive
3 minInsert an opening pick under the edge of the back cover and slide it around the perimeter to break the seal.
- 5
Disconnect Fingerprint Reader
2 minSlightly lift the back cover and use a spudger to detach the fingerprint sensor flex cable from the board.
- 6
Unscrew Mainboard Bracket
3 minRemove the Phillips #00 screws securing the plastic motherboard shield to the frame.
- 7
Remove Mainboard Bracket
1 minPry up the edge of the plastic motherboard bracket with a spudger and remove it from the phone.
- 8
Disconnect Battery Connector
1 minUse the flat end of a spudger to disconnect the battery press connector from its socket.
- 9
Disconnect Display Cable
1 minPry up the display flex cable connector located on the lower section of the logic board.
- 10
Disconnect Interconnect Cable
1 minDetach the main interconnect flex cable that links the logic board to the lower charging board.
- 11
Disconnect Camera Modules
2 minUnplug the rear camera connectors and the front camera connector using a plastic spudger.
- 12
Remove Logic Board Screw
1 minUnscrew the single Phillips #00 screw securing the motherboard directly to the chassis.
- 13
Lift Logic Board
2 minInsert a spudger beneath the top edge of the logic board and gently lift it out of the frame.
- 14
Clean Circuit Joints
4 minApply high-percentage isopropyl alcohol and solder flux to oxidized or damaged pads on the board.
- 15
Reflow Logic Board Components
10 minUse a fine-tip soldering iron or hot air station to reflow loose solder joints on the logic board.
After your OnePlus Nord N100 logic board repair
Power the Nord N100 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 N100 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 N100 repair context in the encyclopedia, or open related DIY guides.
