Product: Mobile > Cell Phones > Sprint Cell Phones > SPH-M510
What Is The Flashing Light On My SPH-m510?
The handset's external Status Light (#1 below) illuminates while the battery is charging, and blinks when a new message or incoming phone call is received. The Status Light will also display a blinking green light if a call is missed.
For additional information on the SPH-M510 click here.