How to Calibrate iPhone Battery Properly (Complete iOS Guide)
If your iPhone battery drains faster than usual or the percentage suddenly drops without reason, it might be time to calibrate your battery . Battery calibration doesn’t magically increase your battery life, but it helps iOS display accurate charge levels, reduces unexpected shutdowns, and keeps your power readings reliable. In this detailed iOS guide, you’ll learn exactly how to calibrate your iPhone battery safely and effectively , step by step. Did you know? For a complete guide on this topic, check out the Apple iPhone Learning Hub and explore related tips in the Battery & Power Topic Hub . 🔹 What Is iPhone Battery Calibration? Battery calibration ensures that your iPhone’s software correctly measures and reports the real battery level. Over time, iOS can lose track of the true capacity — meaning your phone might show 50% when it’s actually closer to 40% , or even shut down suddenly despite showing power remaining. Calibration realigns the battery’s physical c...