What to Do If Your iPhone Does Not Have A SIM Card Slot The information provided can then be used to determine if your iPhone is GSM or CDMA.īelow is a list of iPhone models from iPhone 4 onwards and its compatibility with International SIM cards. You should be able to find what network the phone is on it.Īlternatively, you can open Settings on your iPhone and then click on About and check the details under the Carrier or Network option. In case, the number of the model is not clearly visible due to it being worn off, you can still find out what network carrier it is on by identifying the device on iTunes. Check Apple's Support page here to learn how to identify your iPhone model. The model number will usually start with ‘A1’ and either be GSM, CDMA, or dual GSM and CDMA iPhones.

You can check what network your iPhone is by simply turning over and looking at what model it is alongside the string number.

How to Check If your iPhone Network Is GSM or CDMA? Note: In order to use an international SIM card, both GSM and CDMA (with SIM card slot) phones must be unlocked. This allows the phone owners to use the CDMA iPhone on their carrier's LTE network or use an international SIM cards while abroad. However, due to the global popularity of the GSM network and the new 4G LTE network, Apple added international GSM SIM card readers to CDMA compliant iPhone 5 and newer models. Therefore, most CDMA phones do not have SIM card readers. Sprint and Verizon) use network-based white lists to verify their subscribers instead of housing the customer data on a SIM card. Since all the customer data is contained in the SIM card, you can easily swap and insert it in any unlocked GSM iPhone, whilst ensuring that all data contained in the SIM card is accessible through whatever phone you use. GSM (Global System for Mobile Communications) network phones, such as T-Mobile and AT&T, require a SIM card to operate the phone. In the US and Canada, there are two main phone networks, GSM and CDMA. The main reason why there are iPhones without SIM card readers is because of your phone's network and the model of your iPhone. In this post, we discuss the reasons why some iPhones do not have a SIM card reader and the importance of having one, how to check what network your iPhone is on and what to do if your iPhone does not come equipped with a SIM card slot.

However, in order for you to use an international SIM card on your iPhone, it must be equipped with a SIM card slot.

The ease of using an international SIM card on your iPhone on a trip outside North America can be particularly useful whether it is a business trip or a retreat with your family and friends for a few days. Which iPhones Can Use International SIM Cards

Sim card iphone