The side volume button installation guide will require removal of the battery to access the location of the side volume button. This guide can be used to replace damaged volume buttons.
Place thumb on the rubber tab on the lower back of the phone.
Push away from the phone to release back panel.
Lift the back panel of the phone to expose battery (not shown here).
Pull antenna up, away from the phone, to reveal two of six screws.
Unscrew all six 5.4 mm screws on the back side of the phone using the T-6 screwdriver bit.
Gently separate the front and back sides of the phone.
Detach the first ribbon cable by unplugging it from the logic board.
Gently remove the side button by pulling the buttons away from the phone.