Please choose the correct solution to the question: How to charge a phone.

Solution1: Plug the charger into the wall. Take the charging port and plug it into the phone. Make sure the phone indicates that it is now charging.

Solution2: Plug the charger into the wall. Take the charging port and plug it into the phone. Make sure the phone doesn't give any indication of charging or any notification.

Answer format: solution1/solution2
Answer: solution1