When you're not using your phone, the keys and screen lock automatically after awhile. You can set the length of the delay.Set how long before the keys and screen lock1 Select > Settings and Phone > Display > Screen/keylock time-out.2 Set the length of time after which the keys and screen are locked automatically.Change the volume of a call, song, or videoUse the volume keys.You can change the volume during a call or when an app is active.The built-in loudspeaker lets you speak and listen from a short distance withouthaving to hold the phone to your ear.Switch the loudspeaker on or off during a callSelect or .Get started 13
