why is my phone not charging?

best answer
Remove any debris from the charging port on the bottom of your device then firmly plug your charging cable into your device. If the charging port is damaged your device probably needs service. Let your device charge for a half hour. If your device is still unresponsive force restart your device iPhone 8 or later and iPhone SE (2nd generation) Press and quickly release the volume up button. Press and quickly release the volume down button.