How can I replace my battery?
How can I replace my battery?
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See iPhone Battery & Power Repair:
https://support.apple.com/iphone/repair/service/battery-power
The battery can be replaced by Apple or an Apple Authorized Service Provider.
See this Apple article:
https://support.apple.com/iphone/repair/service/battery-power
If you are going to replace the battery, read this Apple article:
Get your iPhone, iPad, or iPod touch ready for service