Samsung Galaxy S II T989 Volume Control Button Replacement

Locate the rear cover tab marked by a red outline.

• Use your fingertip to gently pry the rear cover.

Power down the phone completely.

Apply firm upward pressure to the battery at its bottom right edge, following the marked red rectangle.

• Once the battery starts lifting, use your hand to carefully remove it from the phone.

Locate the SIM card within the red holder.

• Press down gently on the SIM card.
• Slide the SIM card to the left until it is no longer in contact with the metal.

Locate the media card inside the area marked by the red rectangle.

The small black card may be difficult to see, so examine the area carefully.

• Gently slide the card to the right using your fingers until it is no longer in contact with the metal.

Risk of dropped screws due to small size — use care when handling.

• Remove the six screws, measuring 1/16 inch (1.6 mm) in diameter, using a Philips head precision screwdriver.
• Set aside all removed screws on a magnetic mat or in a plastic bag to prevent loss.

Place device on grounded surface or wear anti-static wrist band.

• Remove screws from inner plate.
• Firmly pinch edge of inner plate as shown in picture, then pull away from frame.

If unable to get grip, use spudger to pry and lift plate out.

The motherboard contains delicate components which can be damaged if mishandled.

• Undo the four tabs marked by red outlines with a small flat-head screwdriver or your thumbnail.

Apply firm pressure to the motherboard's edges and gently lift upward.

• If the board doesn't budge, attempt wiggling it left and right to release the corners from the screw holes.

Use tweezers to lift the tab marked with a red rectangle.

Press the volume control button inwards with a firm touch.

• If needed, use a pair of tweezers for extra grip and leverage.