Power off the iPad
Unplug the charging cable
Inspect the charging port with a flashlight
Hold the iPad with the port facing downward
Use a soft, dry, anti-static brush to loosen debris
Gently tap the iPad to dislodge loose particles
Use a wooden or plastic toothpick to carefully remove compacted lint
Avoid using metal tools
Avoid using liquids, sprays, or compressed air directly into the port
Repeat gently until the port is clear
Reconnect the charger and test the connection
Stop if the port feels damaged or the problem continues