How do I change my email address or my mobile number? September 03, 2020 10:51 Updated Please send your inquiry to email@example.com from your registered email address and we will do the rest. Related articles What is the account set-up fee? What documents are needed for my account activation? It says my account is blocked. What do I do? How do I create an account with PayApp? How do I change my email address and mobile number? Comments 0 comments Please sign in to leave a comment.