I am interested in the 'portfolio' type of Passport case that is AT&T compatible.
I am interested in the 'portfolio' type of Passport case that is AT&T compatible.
On Amazon you'll find The BlackBerry Passport Wallet Case .
Not sure if that's what you mean by portfolio.......
http://www.amazon.com/gp/product/B00...UvbUpU11866029
I use it with my AT&T Passport.
There are several other choices. ONce in Amazon type Blackberry Passport Cases AT&T