iPhone 4/4s battery replacement: Photo tutorial
After you have turned off your iPhone, remove these two screws from the bottom of the device with the pentalobe screwdriver from our tool kit. If your iPhone 4 is one of the first ones sold, you might need to use the philips head screwdriver here.
|Before you start: To be on the safe side, backup your phone via iTunes or iCloud.|
Push the back cover up towards the standby button to remove it from the frame.
Remove this screw (iPhone 4) or these two screws (iPhone 4s), respectively, from the battery connector.
Remove the connector from the logic board using the plastic spatula. Be careful not to lose the small metal piece underneath it.
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.
|Warning! Be careful not to puncture or otherwise damage the battery to prevent hazardous substances from leaking out!|
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.
Attach the battery connector to the logic board. Remember to watch out for the small metal piece and place it back underneath the connector.
Secure the connector with one screw (iPhone 4) or two screws (iPhone 4s), respectively.
Reinstall the back cover. Push it into the frame, then down towards the dock connector.