Your mobile phone has 25 keys and can be divided into two parts:
Number/letter keys, 12 keys in all
Control keys, 13 keys in all
There are 12 number/letter keys, that is, 0 to 9 and the "*" key and "#" key.
You can use these keys to input numbers or letters/symbols and pressing a key may
correspond to different results as listed below:
Red key in the right part of the keypad.
Press to power on the phone. Press and hold during the charging process.
Press and hold to power off the phone.
Press briefly to return to the standby mode from a menu or editing mode.
Press to end a call.
Press to refuse to answer a call.
Send key / Answer key
Green key in the left part of the keypad. Press to place or answer a call. From standby mode,
press to access dialed calls.
Left softkey and right softkey
Press and hold