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crwdns2915172:0crwdne2915172:0
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crwdns2944351:0crwdnd2944351:0iPhone 4S Battery Replacementcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Jeff Suovanencrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Jeff Suovanen

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Introduction
Replacing the battery on the iPhone 4S requires minimal disassembly. If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].
For optimal performance, after completing this guide, [https://www.ifixit.com/Wiki/Battery_Calibration|calibrate] your newly installed battery: Charge it to 100% and keep charging it for at least two more hours. Then use your iPhone until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
[video|https://www.youtube.com/watch?v=i196dj1cZls]