As Gloria also points out in this ZDNet article, there is some confusion around the Sprint SIM card unlocking capability.Some mobile devices are restricted (locked) to specific carrier network, meaning that your device will only work with their SIMs and will not accept SIM cards from other providers. I will be able to fully test and confirm this works outside the US too in just over a week. I put in my Truphone SIM and after a couple seconds it roamed to T-Mobile USA and confirmed my SIM card slot was unlocked.As you can see in my screenshot, I performed the activation via WiFi and after that you are good to go. The rep will then tell you that you need to put your international SIM in your phone and then connect via a computer and iTunes or via WiFi to perform the activation.They will then do some things on their end that takes about 5 minutes. The Verizon rep will then have you turn off your iPhone.Verizon will email you an unlock agreement that you must read and then verbally agree too.They will tell you that you can only perform one SIM unlock once every 10 months and if you haven't done it in the last 10 months you should be good to go. Tell them that you wish to perform an 'international unlock' so that you can use a 'SIM card from an international carrier' and you do NOT want the Verizon global option that uses their own SIM with roaming agreements.Here are the steps I took to unlock my Verizon iPhone 4S and test it with my Truphone SIM. I cut down my Truphone SIM and was ready to go. Don't worry, it comes with two microSIM to SIM card adapters so you can always use it with other phones with standard SIM card slots. I get voice, data, and text with this SIM and can test it before I leave on my trips.Īt this time Truphone only has standard SIM cards so I purchased this microSIM cutter from Amazon. This SIM allows me to travel all over the world with the same number and enjoy competitive rates without having to search around for local SIM cards. I personally have and enjoy using a Truphone Local Anywhere SIM that gives me a local Seattle phone number with excellent international rates. Sprint and Verizon include global microSIM cards in your phones already so you are set after enabling the service. The easiest, and most expensive, option is to simply call up your carrier and enable the global option on your phone. There are two ways you can use your new iPhone 4S internationally, (1) roaming directly through your US carrier partner agreements or (2) by using an international/local microSIM card with coverage in the country you are visiting.

Unlock my verizon sim card