To reactivate your account, just log in to the Snapchat app with the username of the account that you want to bring back. You have 30 days to reactivate a Snapchat account that has been deactivated before it is scheduled for permanent deletion.
⚠️ Please Note: You cannot change your password or use your email address/phone number to log in to your account while it’s deactivated. Permanently deleted accounts cannot be reactivated.