Switch the Key Tones off

From the Idle Screen press the OK Key for the Main Menu.

Press the Down Arrow then the Left Arrow for Settings, press OK.

Press the Right Arrow Key twice to get to Profiles.

Press the Right Select Key to Edit the profile.

Go to 6) and switch them off if you prefer to have silent keys.

Change the Screen Brightness

From the Idle Screen press the OK Key for the Main Menu.

Press the Down Arrow then the Left Arrow for Settings, press OK.

Go to 3) for Brightness.

Use the Up and Down arrows to set your desired level.

Mute the Handset with a Single Key Press

You can mute your handset and switch it to vibrate mode by pressing and holding the # key.

Press and hold the # key to engage and disengage mute.

Change the Backlight Duration

Reducing the backlight duration to 10 seconds can improve battery life.

From the Idle Screen press the OK Key for the Main Menu.

Press the Down Arrow then the Left Arrow for Settings, press OK.

Go to 2) for Backlight Duration.

Set the desired time out for the backlight.

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ZTE ZTE F152 user manual Switch the Key Tones off, Change the Screen Brightness, Mute the Handset with a Single Key Press