Cellular signal Shows the signal strength of your phone. The more the number of cells, the stronger.
Flight mode Show flight mode is on, you cannot use the phone No access to the carrier network but with a signal, only emergency calls can be made Wireless network Shows that you are connected to a wireless network Mute Shows that you are currently muted Memory card detection error Shows that there is no SD card inserted in your phone or the card failed. GPS location service Shows that an application is using location services Alarm clock, you have set an alarm Bluetooth shows that you have Bluetooth turned on