Step-by-step

1. 1

   Power off the phone

   1 min

   Press and hold the Power button until the power options appear on screen. Tap 'Power off' and wait for the phone to shut down completely.

2. 2

   Attach anti-static wrist strap

   1 min

   Put on an anti-static wrist strap and connect its clip to a grounded metal object. This protects sensitive electronics from static discharge.

3. 3

   Place device on workspace mat

   1 min

   Lay the Galaxy S4 Zoom face down on a soft workspace mat. Position the phone with the bottom grip portion facing toward you.

4. 4

   Locate the battery door switch

   1 min

   Find the sliding battery cover release lock on the bottom edge of the device grip. Identify the locked and unlocked icon markings.

5. 5

   Unlock the battery door switch

   1 min

   Slide the battery door lock switch toward the open icon position using your thumb or a plastic spudger. Release the catch mechanism.

6. 6

   Swing open the battery door

   1 min

   Flip open the hinged battery compartment door fully to reveal the battery bay inside. Ensure the door rests open without force.

7. 7

   Locate the internal retaining latch

   1 min

   Look inside the battery bay to locate the small blue plastic retaining clip. This latch holds the battery tightly against internal springs.

8. 8

   Push the retaining latch aside

   1 min

   Use the pointed end of a plastic spudger to slide the blue retaining clip away from the battery. The battery will unlatch and pop outward.

9. 9

   Eject the old battery

   1 min

   Allow the internal spring mechanism to push the battery out of the bay. Use your fingers to catch the edge as it releases.

10. 10

    Remove the old battery

    1 min

    Grasp the exposed edges of the original battery and pull it straight out of the compartment. Store the old battery in a safe area.

11. 11

    Inspect the battery compartment

    1 min

    Examine the metal pin terminals inside the deep end of the battery bay under bright light. Check for any dust, dirt, or bent contacts.

12. 12

    Clean the battery contact pins

    2 min

    Lightly dampen a cotton swab with isopropyl alcohol. Gently wipe the gold contact pins inside the battery bay to ensure clear electrical conductivity.

13. 13

    Prepare the replacement battery

    1 min

    Remove the replacement battery from its protective packaging. Confirm that the model matches the original B740AE battery spec.

14. 14

    Align the replacement battery

    1 min

    Orient the new battery so its gold contact pads match the pin arrangement inside the battery chamber. Check directional arrows if present.

15. 15

    Slide in the replacement battery

    1 min

    Insert the contact edge of the new battery into the compartment slot. Push the battery inward against the spring pressure.

16. 16

    Engage the retaining latch

    1 min

    Press the battery fully into the bay until the blue retaining clip snaps securely over the battery edge. Confirm it holds the battery flush.

17. 17

    Close the battery compartment door

    1 min

    Swing the battery door shut until it sits completely flush against the phone body. Ensure no gap remains along the door seam.

18. 18

    Lock the battery door switch

    1 min

    Slide the outer lock switch back into the locked position. Tug lightly on the door edge to verify it is securely locked.

19. 19

    Power on the device

    2 min

    Press and hold the Power button on the top edge of the device. Wait for the Samsung screen to illuminate and load Android.

20. 20

    Verify battery operation

    2 min

    Check the battery percentage icon on the status bar. Connect a micro-USB charging cable to verify that the charging indicator animates.