Nope. You have to have a contract with AT&T.
no.
anyone
If you have used TMobile in the past, you can unlock your HTC Touch Pro2 by calling Tmobile. Alternatively, you can purchase unlocking software on websites such as eBay which will allow the unlocked phone to work with an AT&T sim card.
i dont
No
It's not it will only be available with AT&T unless you unlock it.
not yet possible if its on orange. if its tmobile then its possible
http://www.cellcorner.com/xshp/unlock-phone-codes/imei-unlock-tmobile-sidekick-2008.html
You can unlock Tmobile using codes that can be purchased from any vendors online like Classicunlocking.com
you can unlock any iphone or phone at unlock att .com i did my whole familys iphones there
To unlock your iPhone with you Tmobile SIM card I would suggest you goto easyiphoneunlocker.com they have a very easy to use tool to unlock and jailbreak your iphone. I was able to unlock my iPhone 4S within in 10 minutes with no issues.
You don't. You have to unlock it first.