If you have to wiggle it to make contact, then you likely have cracked solder joints on the inside of the charging port. Take the phone apart and resolder or replace the charging port. If you don't know how to do this, try to find a local shop to do it for you. When you call around, tell them that you have "cold solder joints" on your charging port. If they don't know what you're talking about, hang up and call the next shop. If you can't find anyone, message me and we do accept mail-in repairs.