How To Check If My Iphone Battery Is Bad. If your iPhone uses iOS 1021 through iOS 1126 this notice might appear in Settings Battery. Rechargeable lithium-ion technology currently provides the best technology for your.
How To Tell If Your iPhone Battery Is Bad. Weve got you covered. You will see a thin red bar on the left side of the battery icon indicating that your iPhone is charging its battery from a depleted state.
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If your iPhone suddenly shuts itself down when the battery is half-drained or so the calibration may be off. It reveals the current maximum capacity and peak performance capability. It will also inform you if your iPhone. To re-calibrate your iPhone follow these steps.
