your redmi k30 ultra mobile charging port refusing to sync when you plug it in, frequent use of the charging port can cause problems. it’s fairly easy to dislodge internal components that make the redmi k30 ultra mobile charging port work properly. condensation can into the port and seep cause rust and damage to your redmi k30 ultra mobile. we can help you with redmi k30 ultra mobile repairs. you should try a few simple troubleshooting tasks to be sure that professional redmi k30 ultra mobile repair is what you need.