iPhone 4/4s Battery Replacement
Batterly Replacement Guide
15 – 20 Min.
Use the following picture guide to easily change the battery on your iPhone 4 and 4s. You should make a backup of your iPhone before changing the display and then turn it off.
Step 1: Remove pentalobe screws
Remove these two screws from the bottom of the device.
Step 2: Remove backcover
Push the back cover up towards the standby button to remove it from the frame.
Step 3: Remove screws
Remove this screw (iPhone 4) or these two screws (iPhone 4s) respectively from the battery connector.
Step 4: Detach connector
Remove the connector from the logic board using the plastic spatula. Be careful not to lose the small metal piece underneath it.
Step 5: Remove battery
Remove the battery from the device. Use the plastic strap on the left side of the battery or carefully pry it out of the frame using the green plastic spatula from the tool kit.
Step 6: Insert new battery
Place two strips of double-sided adhesive tape from the tool kit in the frame to hold the new battery in place and install it into the device.
Step 7: Attach connector
Attach the battery connector to the logic board. Remember to watch out for the small metal piece and place it back underneath the connector.
Step 8: Attach backcover
Secure the connector with one screw (iPhone 4) or two screws (iPhone 4s), respectively.
Step 9: Attach backcover
Reinstall the back cover. Push it into the frame, then down towards the dock connector.
Step 10: Fasten Pentalobe screws
Secure it with two screws on the bottom of the device.
That’s it! Your iPhone now has a fresh battery!