Go to iphone store and check your phone out simple..
Assuming the SIM card is the correct size for the iPhone (ie not a micro SIM) - there's no reason why not. Since you say it's unlocked - it should accept any networks SIM card.
If you take the sim card out of your iphone then you wont have service peroid. Doesnt matter if the sim card is out and you have no service on your phone, your still paying no matter what.
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.
Of course, the iPhone 3G and/or the original iPhone will take any normal sim card; the 3G iPhone will take the 3G sim as well.
You can fit a SIM card from your HTC Wildfire to an iPhone 4 by using the SIM port included in the iPhone.
You will be able to get the services in a Bell iPhone if you use a Komondo SIM card.
You can use the same SIM card for your iPhone 6 that you used in your iPhone 5.
In some situations, the status bar on your iPhone might display No SIM, even though your iPhone has a SIM card.
No sim cards are only for numbers
No, You cannot use reliance CDMA sim card (or) any other CDMA card sim card on Apple iphone 4s. Any GSM Sim card will work on factory unlocked Apple iphone 4s but not CDMA sim ONLY IN INDIA.
all iphones have a sim slot but on the original iphone the customer cannot easily access it whereas the 3G iphone has the sim card and a sim card ejector tool How can I access my verizon iphone 4 sim card slot that doesn't have a sim tray
No, the sim card is located in the top of the phone only.