If you wish to change your full name, then you must Unlock Cash App Account if you locked out of your account. Once you unlock your account, then you are allowed to change your full name. So, for it, first, navigate the personal tab and then snap on the #Cashtag tab. Now, you can select a new #Cashtag for your account. https://www.email-contactsupport.com/blog/unlock-cash-app-account