$540 via promo credit when you add a new smartphone line with your own 4G/5G smartphone on postpaid Unlimited Plus plan between 5/18/23 - 5/31/23 & port-in req'd. Promo credit applied over 36 months; promo credits end if eligibility requirements are no longer met.
MAY BE the way the authentication is done. I had to turn off a bunch of options, normally recommended for securtiy. Third party cookies are needed and you can not set options such as IE's "delete browsing History on exit" Latest flash must be allowed and allowed to use memory.
They way I think this thing works is the showtime app calls the verizon site which launches FLASH and saves the authorization in Flash's "cache" and then exits backs to the showtime site which then looks for the authorization in Flash's cache.
Before you start messing with your computer, you might want to call customer service and verify your service. Showtime comes free with Ultimate. You can also what you are subscribed to under My services when logged into your account.