Samsung Galaxy Express 3 Motherboard Replacement
Digital solutions not working? Replace the motherboard.
Step 1 | Battery
Locate the indent area marked in red.
- Use either your fingernail or a Prying Tool, such as a guitar pick, to separate the back from the body of the phone.
Step 2
Never use a metal tool — risk of injury.
- Lift the battery by its bottom indent using your fingernail or a Plastic Prying Tool.
- The battery label should read "SAMSUNG".
Step 3 | Screen
Use a plastic prying tool, such as a spudger, to gently pry out the indicated component.
Step 4
Disconnect the screen connector.
Step 5
Failure to heat the screen may cause damage.
- Apply a blow dryer or heating pad to loosen the screen's adhesive.
- This step is crucial: it prevents screen breakage.
Step 6
Careful handling required — screens may crack easily.
- Use a plastic prying tool (such as a spudger) to carefully lift out the glass digitizer and LCD screen around the edges.
- Plywood or guitar pick alternative also suitable, but ensure it is plastic for damage prevention.
Step 7 | Motherboard
Use a Phillips #0 screwdriver to remove the nine screws.
Step 8
Never use a metal tool to avoid damage to the motherboard.
- Remove the top and bottom screen trim pieces using a plastic spudger.
- Beware of the top piece, which is wedged tightly in place and can be easily broken.
Step 9
Remove the black screw situated below the bottom plastic piece.
- Ensure you identify and set aside this unique screw.
Step 10
Remove the motherboard by gently lifting it with a spudger.
- Verify that all screws are removed before attempting to lift.
- If still stuck, check for any remaining screws and re-remove them as necessary.