Traditional Culture Encyclopedia - Photography major - Dandelion forum real-name authentication shows that the mobile phone has been used, how to solve it?

Dandelion forum real-name authentication shows that the mobile phone has been used, how to solve it?

This can't be helped, which means that you or others have registered and used this mobile phone number before. This forum belongs to an old user. If you still want to use this number, you can choose to forget the password, so you can complete it step by step according to its reminder. If you don't want to use this number, you can only change it to another number.