HTC 10 Sprint - Manual (Page 66)

Your Phone's Home Screen 53
General notification (for example, sync error)
More notifications available (tap to view)
Missed call
Call in progress
Downloading
Uploading
USB connection
Main Status Icons
Icon Status
Bluetooth active
Headset connected
Location service (GPS) is on
Location service (GPS) is off
Wi-Fi active
Vibrate
Speakerphone active
Network (full signal)
Sprint 4G LTE data service
Sprint 3G data service
Roaming
Airplane mode