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How To Replace an iPhone 4S Battery

Modified on November 10, 2015 by Nick

The following guide is meant to give you a step by step instruction on how to replace a battery for your iPhone 4S that is no longer holding a charge. Please be sure to take care during every step of this procedure as parts and flex cables can be easily damaged or broken. As well, you must be sure to keep track of where each screw is removed from so that when it comes time to re-install them you know exactly where to put them. When removing or lifting flex cables, it is suggest to use plastic spudgers or plastic opening and lifting tools. Before continuing it is advised to read the disclaimer at the bottom of this article.

We suggest the following parts and tools for this repair:

Step by Step iPhone 4S Battery Replacement

Power off your iPhone.
Remove the 3.6mm Pentalobe or Phillips #000 screws located at the bottom of the phone near the dock connector. Note: The 5-point Pentalobe Screwdriver should only be used once as it has the potential to strip the screws.
Push the rear panel toward the top edge of the phone and remove it with your fingers or a suction cup.
Remove the two Phillips head screws that are securing the battery to the logic board, pry the battery flex cable connector up, run the plastic opening tool along the right edge of the battery to separate it from the adhesive and pull the plastic tab to remove the battery out of the iPhone.
Install your new battery into the iPhone and follow the above directions in reverse order to re-assemble your phone.

Disclaimer - Note that the above information is provided for informational purposes only. We take no liability in for any damage or losses that may be done as a result of in-experience. If you are not comfortable with making repairs or cannot afford the loss of your device we suggest to contact an experienced professional to complete your repair.