• Press and hold the red hang-up button for 5-10 seconds

• Make sure the battery is inserted correctly

• Charge the phone overnight

• Try a different charging method. If you typically charge the phone with the dock, try with the cable directly and vice versa.

• If you have another micro USB cable, try that one.

• Use a different outlet.

Make sure you have sufficient coverage in your area

Connect to Wi-Fi calling

• Use the cord rather than the dock

• Try a different electrical outlet

• Check to see if the red squiggle is over the battery symbol on the phone

• Charge the phone overnight