battery draining
My iPhone is in standby mode all night and in the morning it was drained by nearly 10% IDK why. when I checked in battery settings there's nothing draining the battery.
iPhone 13, iOS 16
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The measure of battery health deterioration/drainage is subjective and can vary depending on individual usage patterns. There is no universal standard to determine whether the battery health deterioration/drainage is normal or abnormal because it heavily relies on how the battery is used and maintained.
Protect & Prolong the Life of your iPhone's Battery:
- About the battery usage on your iPhone, iPad, and iPod touch ...
- Batteries - Maximising Performance - Apple (IN)
- iPhone Battery and Performance