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Chapter 3 Basics 36
The battery icon in the upper-right corner of the status bar shows the battery level or
charging status.
Display the percentage of battery charge. Go to Settings > General > Usage and turn on
Battery Percentage.
Important: If iPad is very low on power, it may display an image of a nearly depleted battery,
indicating that iPad needs to charge for up to twenty minutes before you can use it. If iPad 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 iPad battery isn’t user replaceable; it can be replaced only by an authorized service
provider. See www.apple.com/batteries/replacements.html.
Travel with iPad
Your airline carrier may let you keep your iPad turned on if you switch to Airplane Mode—listen
for an announcement after boarding, or ask a member of the crew. Wi-Fi and Bluetooth are
turned o in Airplane Mode, so you can’t make or receive FaceTime calls or use features that
require wireless communication. You can listen to music, play games, watch videos, or use other
apps that don’t require Internet access. If your airline allows it, you can turn Wi-Fi or Bluetooth
back on, even while in Airplane Mode.
Turn on Airplane Mode. Swipe up from the bottom edge of the screen to open Control Center,
then tap . You can also turn Airplane Mode on or o in Settings. When airplane mode is on,
appears in the status bar at the top of the screen.
You can also turn Wi-Fi and Bluetooth on or o in Control Center. See Control Center on page 28.