The battery icon shows the remaining battery power. The bigger the coloured section of the icon, the more power.
Further information:
Charge the battery

The battery charging icon shows the battery is charging.
Further information:
Charge the battery

The network mode icon shows which network mode your mobile phone is connected to. Your mobile phone automatically switches between the available network modes.
Further information:
Select network mode

The signal strength icon shows the strength of the network signal at your location. The more lines, the stronger the signal.
Further information:
Select network

The flight mode icon shows flight mode is turned on.
Further information:
Turn flight mode on or off

The divert icon shows all incoming voice calls are diverted.
Further information:
Divert calls to your voicemail
Divert calls to another number

The alarm icon shows the alarm is set.
Further information:
Set alarm

The Do Not Disturb icon shows that suppression of calls and notifications is turned on.
Further information:
Suppress calls and notifications (Do Not Disturb)

The Bluetooth icon shows Bluetooth is active.
Further information:
Turn Bluetooth on or off

The Wi-Fi icon shows your mobile phone is connected to a Wi-Fi network.
Further information:
Connect to a Wi-Fi network