rg_usa: Have you tried to activate this phone yet? I bought a locked to AT&T version (which I don't think is a problem as long as you get the AT&T sim card) and I am able to make calls and send texts, but I cannot send picture messages. If someone sends me a picture message, I get a link to an AT&T website where I am supposed to be able to view it, but the page never loads (it does on my computer or my Verizon phone tho). Along the same lines, some pages like Google will load fine, while others will not load at all or sometimes I get a "504 Gateway Time-out - The web server is not responding". It says I have 4G service, but I don't have LTE in my area so it has to be HSPA+, which should be plenty fast. Other people in the forum have reported internet problems today, and I suspect that is also causing my problems. Customer support gave up trying to get picture messages to work, told me to call phone manufacturer
I wish I knew someone with a working AT&T sim so I could troubleshoot this further.