Use this guide to bring life back to your iPhone 7 with a new battery.
This guide instructs you to remove the display assembly; this is intended to prevent damage to the display cables. If you feel comfortable removing the battery without putting undue strain on the display cables, you can skip the display removal steps.
For optimal performance after completing the guide, calibrate your newly installed battery: Drain it below 10%, then charge it uninterrupted to 100%.
Opening the iPhone 7 will damage the waterproof seals on the display. If you do not replace the adhesive seals, your phone will function normally, but will no longer be water-resistant.
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