The icons in the status bar at the top of the screen give information about iPhone:
What it means
You’re in range of the cellular network and can make and receive calls. If there’s no signal, “No service” appears.
Airplane mode is on—you can’t make phone calls, and other wireless functions may be disabled. See Travel with iPhone.
Your carrier’s LTE network is available, and iPhone can connect to the Internet over that network. (iPhone 5 or later. Not available in all areas.) See Cellular settings.
Your carrier’s 4G UMTS (GSM) or LTE network (depending on carrier) is available, and iPhone can connect to the Internet over that network. (iPhone 4s or later. Not available in all areas.) See Cellular settings.
Your carrier’s 3G UMTS (GSM) or EV-DO (CDMA) network is available, and iPhone can connect to the Internet over that network. See Cellular settings.
Your carrier’s EDGE (GSM) network is available, and iPhone can connect to the Internet over that network. See Cellular settings.
Your carrier’s GPRS (GSM) or 1xRTT (CDMA) network is available, and iPhone can connect to the Internet over that network. See Cellular settings.
iPhone is connected to the Internet over a Wi-Fi network. See Connect to Wi-Fi.
Do Not Disturb
“Do Not Disturb” is turned on. See Do Not Disturb.
iPhone is providing a Personal Hotspot for another device. See Personal Hotspot.
iPhone is syncing with iTunes.
Shows that there’s network activity. Some third-party apps may also use it to show an active process.
Call Forwarding is set up. See Call forwarding, call waiting, and caller ID.
You’re connected to a network using VPN. See Network access.
iPhone is set to work with a TTY machine. See TTY support.
Portrait orientation lock
The iPhone screen is locked in portrait orientation. See Change the screen orientation.
An alarm is set. See Alarms and timers.
An item is using Location Services. See Privacy.
Blue or white icon: Bluetooth is on and paired with a device.
Gray icon: Bluetooth is on. If iPhone is paired with a device, the device may be out of range or turned off.
No icon: Bluetooth is turned off.
See Bluetooth devices.
Shows the battery level of a paired Bluetooth device.
Shows the iPhone battery level or charging status. See Charge and monitor the battery.