Why is my phone’s battery not charging even when connected to a charger?

1. Check that the charger is compatible with your phone device.
2. Ensure that the charger is connected properly to a power outlet.
3. Check if the USB cable is connected to the USB port on the phone.
4. Clean the phone charging port with a damp, lint-free cloth.
5. Replace the charger/USB cable or power adapter.
6. Try a different power source if all else fails.