[Extra-Terrestrial]For ZTE Z431 (AT&T) Rubberized Design Cover - Colorful Leopard Red Light is Standby Mode; Green Light is Charging Mode; Blue Light is Full Charged Mode. Put your phone in a Appropriate position to see the indicator light clearly. Red Light is Standby Mode; Green Light is Charging Mode; Blue Light is Full Charged Mode. Put your phone in a Appropriate position to see the indicator light clearly. Red Light is Standby Mode; Green Light is Charging Mode; Blue Light is Full Charged Mode. Put your phone in a Appropriate position to see the indicator light clearly.