Power off the iPhone
Inspect the charging port for lint, dust, or debris
Use a dry, soft, non-metal tool to gently remove debris
Blow short bursts of compressed air into the port
Check the charging cable for damage
Try a different Apple-certified cable
Try a different power adapter
Test a different wall outlet
Clean the Lightning or USB-C connector on the cable
Restart the iPhone
Update iOS to the latest version
Remove the case or accessory blocking the port
Check for moisture in the port
Let the port dry completely if wet
Force restart the iPhone
Try charging with a computer USB port
Inspect the port for bent or damaged pins
Avoid using metal objects inside the port
Contact Apple Support if the port still does not work
Visit an Apple Store or authorized repair provider for hardware repair