Top Quality Charging Connector for Mobile Phone Brand New Compatible Charging Connector 100% Tested Specially manufactured for   Redmi Note 9 Charging Socket Port Connector

How to repair rusty charging port connector ?

Use a cotton swab or toothpick :
Gently scrape the inside of the charging port. Sweep the toothpick around to dislodge any dust.

Shake the phone:
After scraping, give the phone a gentle shake to dislodge any loosened dust. Be cautious not to shake it vigorously.

Take your time and be gentle:
Avoid applying excessive force or pressure as you clean the port to prevent any damage.