HTC X+ - Manual (Page 183)

EDGE/GPRS in use Silent mode
3G/HSPA connected Vibrate mode
3G/HSPA in use Microphone is mute
4G LTE connected Speakerphone is on
4G LTE in use
Wired microphone headset
connected
Roaming Wired headset connected
No signal Bluetooth is on
No SIM card installed Connected to a Bluetooth device
Connected to a Wi-Fi network Airplane mode
Data synchronizing GPS is on
Battery is full Alarm is set
Battery is charging
183 Other essentials