Step-by-step

1. 1

   Power Off the Device

   1 min

   Press and hold the power button on the rear key cluster until options appear. Tap Power Off on the screen and wait for the screen to go dark.

2. 2

   Attach Anti-Static Strap

   1 min

   Place an anti-static wrist strap around your wrist and clip the ground lead to a metal surface. This protects the phone's logic board from static electricity.

3. 3

   Locate the Cover Notch

   1 min

   Turn the phone over so the back cover is facing up. Locate the small pry indentation on the bottom-left edge of the rear housing.

4. 4

   Insert Prying Tool

   1 min

   Insert the flat edge of a plastic spudger into the pry notch on the bottom edge. Gently twist the tool to pop the bottom corner of the cover free.

5. 5

   Unclip Left Edge

   1 min

   Slide the plastic opening tool up along the left seam of the back cover. Twist slightly as you move up to disengage the plastic clips.

6. 6

   Unclip Right Edge

   1 min

   Slide the pry tool along the right edge seam toward the top of the frame. Release all retaining clips along the side.

7. 7

   Remove Back Cover

   1 min

   Lift the rear cover away from the phone body once all perimeter clips are released. Set the cover aside in a safe spot.

8. 8

   Locate Battery Notch

   1 min

   Find the battery situated in the lower half of the exposed chassis. Look for the small notch at the bottom edge of the battery compartment.

9. 9

   Pry Out Old Battery

   1 min

   Insert your plastic spudger into the bottom battery notch. Lift upward to swing the old battery out from the housing bay.

10. 10

    Inspect Connector Pins

    1 min

    Examine the four metallic contact pins at the top of the battery compartment. Ensure none are bent, corroded, or dirty.

11. 11

    Clean Battery Contacts

    2 min

    Dampen a microfiber cloth with a small drop of isopropyl alcohol. Lightly wipe down the metallic pin array inside the bay.

12. 12

    Unpack Replacement Battery

    1 min

    Remove your new LG G3 replacement battery from its protective bag. Verify the contacts match the pin configuration of the original battery.

13. 13

    Align New Battery Contacts

    1 min

    Hold the new battery at an angle with its metal contact pads facing the top of the bay. Press the top edge into place against the internal spring pins.

14. 14

    Seat the New Battery

    1 min

    Push the lower end of the battery down into the compartment until it sits completely flush against the phone chassis.

15. 15

    Position Rear Cover

    1 min

    Align the rear shell over the back of the phone, centering the camera opening over the rear power buttons.

16. 16

    Snap Cover into Place

    1 min

    Press firmly around the outer edges of the back panel until you hear all the internal plastic clips snap shut.