iPhone 12 バッテリーの交換

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iPhone 12 SIMカードの交換

iPhone 12 ペンタローブネジの交換

オープニング・ピックに3mmの印をつける

iPhone 12 ディスプレイアセンブリの交換

iPhone 12 ラウドスピーカーの交換

iPhone 12 SIMカードリーダーの交換

iPhone 12 Taptic Engineの交換

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iPhone batteries are rated to hold 80% of their capacity for up to 500 charge cycles, which lasts roughly 18-24 months for most users. After that, your iPhone may need to be charged far more frequently, and iOS may warn you that performance is affected (in other words, your phone will run slower). Use this guide to replace your battery and restore your iPhone to like-new performance.

If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]].

***Note***: On iOS 17.6 and earlier, your iPhone may display a warning about the “genuineness” of the battery after the repair, even when using original Apple parts. If your iPhone functions normally, you can safely ignore the warning. On iOS 18 and newer, authenticate your new battery using Apple's [link|https://support.apple.com/en-us/120579|Repair Assistant|new_window=true].

For optimal performance, after completing this guide, [[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%.

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