I spend roughly equal time in NYC, Italy, and Germany, my Iphone 3G is an officially unlocked retail version. As with the other older software updates I got the usual "Congratulations, your iPhone has been unlocked" message in iTunes after installing the 3.0 software update. In Germany i use O2, in NYC T-Mobile, and in Italy TIM. Always worked like a charm, both, data and everything else. However, after the update, the text messaging pane is still the same, I cannot select MMS, also the tethering option is missing. I believe non- iPhone customers can tether on all three services, and I don't understand how those carriers could block an option on my phone if they don't officially carry it (t-mobile US / O2 Germany). The same with MMS, all non iPhone users can send mms on all of the three carriers I use. What's wrong with my phone? It's not that it just wouldn't work, I can't even select the option.