Product: Mobile > Cell Phones > Sprint Cell Phones > SPH-N200SS
A red light indicates the battery is charging. A green light indicates the battery is at least 90 percent charged, while a yellow light indicates that the battery is operating at a temperature that is too high or too low, or there is a poor connection. Make sure the phone is resting properly in the charger slot.
For more information on the SPH-N200 click here.