Product: Mobile > Cell Phones > T-Mobile Cell Phones > SGH-E715
The options for the amount of time the external display is lit can be configured as follows:
The reason the maximum amount of time the external display is lit is 60 seconds is to conserve battery life. If the display has dimmed, simply press the volume button on the side of the phone which will cause the external display to illuminate for the default period of time. Due to it unique color scheme, the display will always shows data. The selected background properties may "sleep", however pressing and holding the volume button to bring it back up.
For more information on the SGH-E715 click here.