OnePlus Nord N200 Sub Board Replacement
Step 1 | Sub/Charger Board
Take out the sim tray before starting the repair.
- Heat the back of the phone to loosen the adhesive.
- Insert a slim prying tool, working in a counterclockwise direction to remove the back cover.
- Add IPA as needed to detach the adhesive layer.
Be cautious near the volume button: the ribbon cable is exposed and can be easily cut.
Remove the back cover once the adhesion layer is detached.
Step 2
Use a J000 screwdriver to remove 19 screws holding the edge casing to the screen.
- Separate the edge plastic from the screen using a pry tool.
- Disconnect the power button cable once you have sufficient lift.
- Remove the edge plastic and set it aside.
Step 3
Remove the plastic speaker piece.
- Disconnect the antenna cables and main board connector.
- Remove the board and replace with a new component.
- (Optional) Reconnect any disconnected connectors.
Step 4
- Reconnect the antenna and main board.
Be careful to secure the power cable properly — risk of electrical shock.
Reconnect the power cable, then reattach the plastic edge.- Using a J000 screwdriver, reinstall all 19 screws.
Step 5
Reconnect the back panel.
Apply heat to aid in adhesion.
You may also apply additional adhesive using TESA tape.