Samsung Galaxy A40 Display Replacement

Remove the SIM card.

To avoid burning yourself, carefully heat the rear panel edges with a hairdryer, heat gun, or oven set to 80oC (175oF) top/bottom heat until you can handle it.

• Insert a flat plastic tool, such as a pick or spudger, between the back and frame.
• Slowly work along the entire edge with the tool to detach the back.
• Lift the back slowly, pressing the fingerprint sensor against the frame to prevent damage.

When using a tool, insert it at as shallow an angle as possible and no deeper than 3mm to avoid damaging the motherboard connection cable.

Careful not to insert tool too deeply – risk of damaging mainboard.

• Insert tweezers or a small metal spatula under plastic part.
• Lever out the fingerprint sensor using care.

Unscrew the 13 PH 000 Phillips screws to remove the frame.

Insert a spudger between display and frame from SIM slot.

• Pull spudger along device's edge while hearing clicking sounds.
• All clips will release; remove frame when loose.

Unplug the battery, as there may still be voltage present on components.

• Disconnect the main-sub cable from the logic boards to the display.
• Remove the antenna connector.
• Disconnect the display flex cable from the logic board.

Remove the front camera using a spudger.

Remove an additional screw from each board.

• Repeat for both boards.

Remove the battery with care, using heat and alcohol.

• Preheat the area around the battery with a hair dryer or heat gun.
• Soak a cloth in alcohol and gently loosen the battery connections.
• Lift the battery out carefully, taking care not to damage the surrounding components.

• Remove the vibration motor and earpiece.

May require additional heat to loosen the components.