FIXED using a heat gun - Samsung A70 Charging port problems and repair solution using a heat gun
#2004 Samsung A70 charging problem. Cheap almost free repair job . I have had problems ever since I dropped the phone. Several attempts to repair it myself finally paid off. Learn what I had to do to make the final repair last. I spent a lot of time on this. You should learn from my mistakes.
AS OF May 2021, the phone is still fixed with no charging problems.