a prepaid Sim card is a Sim card that you pay as you go AT&t tracfone and t-mobile
The best review for the 3G SIM card is the AT&T 3G SIM card. The newest 3G Wireless SIM card is the best and only costs $7.85. There is also a AT&T SIM card for $3.85.
No. You must replace the sim card at an at and t kiosk.You can not replace the sim card your self. Most malls have an at and t kiosk they can help you there.
Buy a SIM Card from AT&T or T-Mobile called a Micro-SIM. These will fit in the iPhone. Apple is planning on using Nano-SIM Cards which are even smaller.
YES, you can. IF you have an unlocked code for your at&t phone with T-mobile service. If you don't have an unlocked code, go to your local at&t store and they will unlock it for you, And, you won't lose any information with your T-mobile plan when you put your T-mobile Sim card on your at&t phone.
Yes, the Global Slim Card will work on a At&t blackberry curve. Yes, the Global Sim Card will work with no problems in your AT&T Blackberry Curve. Simply use it as you would any Sim Card.
there arent any. i have Verizon and my friend has t-mobile. we tried to put the sim card were me SD card goes (it didnt end well)
its free you =] only at an at&t retail stores
Only if the phone is not locked to t-mobile.
No. You cannot use a t-moble sim card in a Evo 4G LTE.
will a t moble sim card work in a cincinati bell phone
An AT&T sim card will not work in an T-Mobile phone as it is locked to particular carrier itself... If you want to put your AT&T sim in your T-Mobile phone you can try unlocking your phone