Site: Fifth Third BankMy Id and password is correct but is says it doesn't exist and won't let me login on my 5/3 bank app? Please help :( Add new comment Comments Having the same issue since this morning my user name is showing invalid reply I'm having this same issue! reply Same issue. Cannot log in on website or mobile app. 7/13/2020 4:38a.m. reply I cannot log in to my account. screen said logout. i HAVE tyied every thing , always shows logout. reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted 5T5VeS Enter the code above * Enter the code without spaces.