Define which MobilMe account is used for iPhone uploads

After upgrading to an iPhone 3GS, I was pleased to see the new option to send photos and movies to MobileMe. I have two MobleMe accounts configured in Mail on my iPhone: my ‘primary’ MobileMe account, and a MobileMe sub (‘family’) account. The primary account is set to only sync Mail to my iPhone, and the family account is set to sync Mail, Contacts, Calendars and Bookmarks (since you’re only allowed to fully sync/push one MobileMe account on the iPhone.)

The problem I found was that when trying to send a photo or a movie to MobileMe, the account that the iPhone insisted on using was my primary account. I searched settings and could not find anywhere to change this. I called Apple iPhone tech support, and although they understood the problem, they did not have a solution. (I called the day after the iPhone 3GS release, so they were understandably swamped!)

I just could not believe that the iPhone would not allow me to choose a different MobileMe account. Frustrated, I…