Where do you see status icons
Status icons appear in the status bar on your iPhone. On iPhone X, the essential icons appear in the top-left or top-right corner of the screen. If you don't see an icon, check Control Center by swiping down from the top-right corner.
iPhone X
iPhone 8 and earlier
About the status icons
To learn what an icon means, find it below.
You’re in range of your cellular network and can make and receive calls. If there’s no signal, "No service" appears.
Your carrier’s LTE network is available, and your iPhone can connect to the Internet over that network. (iPhone 5 and later. Not available in all areas.)
Your carrier’s 4G UMTS (GSM) or LTE network is available, and your iPhone can connect to the Internet over that network. (Not available in all areas.)
Your carrier’s 3G UMTS (GSM) or EV-DO (CDMA) network is available, and your iPhone can connect to the Internet over that network.
Your carrier’s EDGE (GSM) network is available, and your iPhone can connect to the Internet over that network.
Your carrier’s GPRS (GSM) or 1xRTT (CDMA) network is available, and your iPhone can connect to the Internet over that network.
Your iPhone is connected to the Internet over Wi-Fi.
You can use Wi-Fi calling. Your carrier also appears next to the icon.
An app or website is using Location Services. A hollow 
means that an item may receive your location under certain conditions.
You’re connected to a network using VPN.
Call Forwarding is on.
There’s network activity.
Teletype (TTY) is on.
Airplane Mode is on. You can’t make calls or use Bluetooth until you turn off this setting.
Do Not Disturb is on. This setting silences calls, alerts, and notifications until you turn it off. Alarms will still sound.
Orientation Lock is on. Your screen won't rotate until you turn off this setting.
Your iPhone is locked with a passcode or Touch ID.
Your iPhone is syncing with iTunes.
An alarm is set.
Bluetooth is on and your iPhone can pair with a device.
If you don't see this icon, Bluetooth is off.
Your iPhone is paired with a wireless headset, headphones, or earbuds.
You might also see 
, which shows the battery level of some paired devices.
This icon shows the battery level of your iPhone. If this icon is yellow, Low Power Mode is on. If this icon is red, then your iPhone has less than 20% charge.
Your iPhone is charging.
Your iPhone is connected to CarPlay.
About other icons in Control Center
If you see blue, green, or red in the status bar
On iPhone X, the color shows as a bubble behind the time. On iPhone 8 or earlier, the color goes all the way across the status bar. Here's what each color means:
- Blue: Your iPhone is either providing a Personal Hotspot or an app is actively using your location. For personal hotspot on iPhone 8 or earlier, you can also see how many devices joined your Hotspot.
appears in the status bar of iOS devices using Personal Hotspot. - Green: You're on a call.
- Red: Your iPhone is either recording sound or your screen.