Yes!
Yes you can. The Samsung Infuse is a particular ATT favorite.
Yes as long as the phone is att and has a sim card slot
No as the operating system will not be able to process the information on that size of card.
No because first of there is no slot for it and apple probably wouldn't allow it anyway
call customer care and see if the device is eligible to be unlocked, if it is they will give you a code to put in your phone and tell you the steps to unlock the phone from att's network. then your tmobile sim will work in it.
No, it is not.
No
Yes you can, you can go to an att store to buy the phone and have the people there activate it for you. Make sure it works before you leave tho because i left with it not working, found out later when i returned that if you register the sim card with the gophone you bought its locked with that phone, but its all good tho cause they will transfer your gophone number to a new sim card and set the new phone, samsung eternity, up for you. Also learned that all att phones, except iphones (with the new update) and blackberrys as of now, will work with the the att gophone. If your looking to buy a gophone and get a samsung eternity i recommend getting a cheap gophone, register the sim card with the samsung eternity not with the gophone you just bought. That will work as well
you use unlock att .com they did my iphone there but i noticed they do samsung phones too
The Tilt has a microSD expansion slot, but you will have to buy your own card. Try eBay for the best pricing on microSD cards.
SAMSUNG IMPRESSION!! Its amazing!
it depends where yo buy it like att or virizon but if you want it for a diffrent carrier than the original you will have to visit unlockatt.com