What are those icons at the top of the screen?

The status bar at the top of the screen contains icons that help you monitor the status of your phone. Here's what the icons mean.

	CALLS
	Active call.
	Missed call.
	NETWORK
	Connected to cellular/mobile network (full signal). Speed of your network connection is also shown. Possible speeds, from slowest to fastest, are 1X, 2G, 3G, H, H+, 4G. Available speeds depend on your carrier and your location.
	Connected to different cellular/mobile network (roaming).
	No connection to cellular/mobile network.
	Emergency calls only.
	Wi-Fi network within range.
	Connected to Wi-Fi network.
	Acquiring GPS location.
	No SIM card.
	Airplane mode on.
	CONNECTIVITY
	Bluetooth on.
	Bluetooth device connected.
	Trusted Bluetooth device connected.
	Your phone is a Wi-Fi hotspot. Devices can connect to share your data connection.
	Wireless display or adapter connected.
	Connected by USB cable.
	Connected by USB cable, in debugging mode.
	SYNC AND UPDATES
	App updates are available for download from Play Store.
	App successfully installed from Play Store.
	Email and calendar sync in progress.
	Upload in progress.
	Download complete.
	SOUND
	Vibrate.
	Ringtones off.
	Song playing.
	BATTERY
	Battery fully charged.
	Battery charging.
	ALARM AND CALENDAR
	Alarm set.
	Upcoming calendar event.
	EMAIL AND MESSAGING
	New email.
	New Gmail message.
	New text message.
	New voice mail.
	New message from Hangouts.
	Emergency alert.
	OTHER ICONS
	Change type of keyboard.
	Screenshot available.
	Assist app is adjusting phone settings based on the Driving activity card.
	Assist app is adjusting phone settings based on the Meeting activity card.
	Assist app is adjusting phone settings based on the Sleeping activity card.