Learn more about using a local international SIM card for my iPhone 4S

Last Updated: Nov 16, 2013

Sprint's policy is to have the iPhone 4S SIM locked to our network domestically and internationally. We plan to allow existing customers in good standing to unlock the SIM for international use.

Customers can sign up for one of our international rate plans and use iPhone 4S in most countries all over the world. When traveling internationally, there is a setting that must be turned on within the device to connect to GSM. The phone will work with a SIM that is provided within the device out of the box. International voice and data charges are on a pay-as-you-go basis and vary based on the country where the customer is using their phone; a list of rates is available at

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It looks as if Sprint has "officially" written down their overseas SIM locking rules on the official Sprint site: http:
Author: fmac71 Date: 2011-10-16