What are those icons at the top of the screen?

The status bar at the top of the home screen contains icons that help you monitor your phone.

Icons on the left tell you about apps, such as new messages or downloads. If you don't know what one of these icons means, swipe the status bar down for details.
Icons on the right tell you about your phone, such as battery level and network connection.

These are the icons from apps that came on your phone and the phone status icons.

	CALLS
	Active call.
	Missed call.
	Speakerphone on.
	Microphone muted.
	NETWORK
	Connected to a mobile network (full signal). The speed of your network connection is also shown. For example, or . The possible speeds, from slowest to fastest, are 1X, 2G, 3G, H, H+ and 4G. The available speeds depend on your carrier and your location.
	No connection to cellular/mobile network.
	Connected to different cellular/mobile network (roaming).
	Emergency calls only.
	Wi‑Fi network within range.
	Connected to Wi-Fi network.
	Location services are in use.
	No SIM card.
	Aeroplane 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.
	Google+ backup in progress.
	Google+ backup complete.
	SOUND
	Vibrate.
	Ringtones off.
	Song playing.
	INTERRUPTIONS
	BATTERY
	Battery fully charged.
	Battery charging.
	Battery low.
	ALARM AND CALENDAR
	Alarm set.
	Upcoming calendar event.
	EMAIL AND MESSAGING
	New email.
	New Gmail message.
	New text message.
	New voicemail.
	New message from Hangouts.
	Emergency alert.
	OTHER ICONS
	Change type of keyboard.
	Screenshot is available.
	Assist is adjusting phone settings based on the Driving activity.
	Assist is adjusting phone settings based on the Home activity.
	Assist is adjusting phone settings based on the Meeting activity.
	Assist is adjusting phone settings based on the Sleeping activity.