replace iphone charging port

try reading

iPhone Repair - Official Apple Support

iPhones are not considered user-serviceable. Click on Get Support in the upper right corner to reach out to Apple directly and schedule a service appointment.

~Lyssa

iPhones are not even Serviceable by Apple. The charging port is not an Apple replaceable item. If it is faulty then you are the proud owner of a brick. Chuck it and buy new one.