Try these troubleshooting steps. After each step, check to see if your issue is fixed.

1. Make sure the USB plug fits securely into the phone.
2. If the battery is completely depleted, connect the charger and wait about 10 minutes until it has enough voltage to charge, then press the Power button.

3. If you're charging by connecting to a wall outlet:

   • If the outlet is controlled with a switch, check that it is turned on.
   • Use the charger that came with the phone, or a charger that is compatible with your phone.
   • Remove any case, to see if it's impeding the charger/port connection.
   • Inspect the charger for damage to the wire or plug. If you see damage, try charging by connecting to your computer with a USB cable.
   • Check the outlet for damage or loose parts. If you see damage, try another outlet.

4. If you're charging by connecting to your computer, check the USB connection:

   1. Swipe the status bar down.
   2. On the USB notification, tap , then tap the notification.
   3. Tap No data transfer.
5. Reboot the phone by holding the Power button for 7-10 seconds.
6. Reset the phone.