See proportion of battery used by each app. Go to Settings > Battery, then tap Battery
Usage.
The battery icon in the upper-right corner shows the battery level or charging status. To
display the percentage of battery charge remaining, go to Settings > Battery > Usage. When
syncing or using iPhone, it may take longer to charge the battery.
Important: If iPhone is very low on power, it may display an image of a nearly depleted
battery, indicating that it needs to charge for up to ten minutes before you can use it. If
iPhone is extremely low on power, the display may be blank for up to two minutes before the
low-battery image appears.
Rechargeable batteries have a limited number of charge cycles and may eventually need to
be replaced. The iPhone battery isn’t user replaceable; it should be replaced by Apple or an
authorized service provider. See .
Low Power Mode
Switch to Low Power Mode when your iPhone battery is low or when you may not have
access to electrical power. Low Power Mode limits background activity and tunes
performance for essential tasks. Using Low Power Mode can significantly increase the life of
the battery charge.
Turn on Low Power Mode. Go to Settings > Battery, then turn on Low Power Mode.
Note: If your iPhone switches to Low Power Mode automatically, it switches back to normal
power mode after charging to 80%. Your iPhone might perform some tasks more slowly
when in Low Power Mode.
Travel with iPhone
If you travel outside your carrier’s network area, you can avoid roaming charges by turning
off voice and data roaming services in Settings > Cellular. See .
Some airlines let you keep your iPhone turned on if you switch to Airplane Mode. You can’t
make calls or use Bluetooth, but you can listen to music, play games, watch videos, or use
other apps that don’t require network or phone connections. If the airline allows it, you can
www.apple.com/batteries/service-and-recycling
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