After sales service: within 72 hours， Please use it as soon as possible. If there are any issues with your account, please contact me within 72 hours for a replacement or refund. Downloadable applications.No email password❌ Be careful not to log in to the settings, you cannot log in to iCloud! Login method: The login answers must follow Apple's security question order, not the order I submitted Account - Password - Answer 1 friend - Answer 2 tasks - Answer 3 parents - Birthday - Registration date  https://account.apple.com Please check if your input is correct and pay attention to capitalization