you can take a sim from any phone and put it into an iPhone. they will all work the same, just make sure you call you phone company to let them know your going to switch phones
You can do but you have to cut the sim because iPhone 4S only support micro sim so you have to cut the sim use of sim cutter market it's available
No. The Blackberry Torch uses a standard SIM card.
Yes as long as the phone is att and has a sim card slot
Try turning it off then back on with the sim card inserted
Sprint doesn't use SIM cards...
That last answer is completely false to get a Verizon Sim card you should look at there global phones for example blackberry storm
they say a Sim card is in the blackberry and the world edition phone BUT! it is a global Sim card not a real GSM Verizon uses CDMA IT WILL NOT WORK ON THE IPHONE! because Iphone needs GSM to power it it won´t work on global!
sim card
how to install a sim card to a blackberry pearl 8220
No you need the Sim card to track blackberry bold.
Any of the major cellular companies' SIM card should fit into a blackberry. After you have bought a SIM card from a cellular company, all you should have to do is place it into the blackberry and activate it.
the iphone has a sim card which slots in the top of the iphone. to get the sim card tray out you have to use a pin or the special tool it came with to open it.
From your blackberry ,copy all your contacts to your sim card. Then remove the sim from your bnlackberry and put it inside the iphone. On your iphone do the import sim contacts. To give you the step by step provess on how to do the sim importing go to the link http://nice-to-know-about-iphone.blogspot.com and search for the topic "how to import sim contacts" hope it will help