iPhone battery drains quickly because of a mistake everyone has made
Discover why your iPhone battery drains so quickly and simple fixes to extend your battery life.
Báo Khoa học và Đời sống•19/07/2025
An iPhone 15 Pro Max user shared that the battery drained extremely quickly when traveling abroad even though the device still had 91% battery capacity after a year of use. The reason is that the iPhone is constantly searching for signals when there is no service, leading to hidden battery drain that many people do not notice.
When the phone shows “No Service” status, the device still tries to connect to the network, causing significant power consumption. This is especially common when not using a local SIM or in areas with persistent poor signal.
To fix this, users should completely turn off the mobile network when they are sure there is no signal instead of just turning on airplane mode. Incorporating battery saving mode also helps reduce consumption during times when the device does not need to operate at full capacity. If you travel frequently, consider using a local SIM card or a Wi-Fi hotspot to maintain a stable connection.
Understanding how your iPhone manages its network will help you conserve battery life more effectively in both the short and long term. Dear readers, please watch more videos : Top 10 'Scary' Technology Devices of the Future.
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