I was getting Picture Mail texts from Sprint subscribers as recently as 2012. Most often they were Blackberry users or on a crappy Android, and to view their messages I had to open up a webpage, which 90% of the time had a broken link to the photo. Awful "service" it was and I'm surprised it lasted as long as it did.
For the love of me I can;t understand why this service lasted this long. If they've had proper MMS service since 2006, this should've been scrapped long ago. Just like they shut down shortmail, when they got proper sms. Shortmail was also another lous...