
There is a background noise cancellation function in your device, which helps you to reduce the surrounding noise. To activate it, select Options > Voice clarity > Active during an active call.
If you do not want other Bluetooth devices to find yours, hide your Bluetooh device from others. Select Menu > Settings > Connectivity > Bluetooth > My phone's visibility and select Hidden.
Personal shortcuts give you quick access to frequently used functions of the phone. You can select a desired function to left and right selection keys, navigation key and active standby key. To do the selection, go to Menu > Settings > My shortcuts and select the key you want to set the the shortcut to.
You can protect a memory card with a password to prevent unauthorised access. To set a password, go to Menu > Gallery, select the memory card folder, and select Options > Set password. The password can be up to 8 characters long and is case-sensitive. The password is stored in your device. You do not need to enter it again while you use the memory card on the same device. If you use the memory card on another device, you are asked for the password.