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necessary to erase the contents of iPhone before inserting a new SIM card?

305 Views 11 Replies Latest reply: Dec 10, 2012 11:54 AM by Peter Gillespie RSS
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Dec 10, 2012 9:33 AM

I have read this elsewhere in the Apple community. Is it necessary?


If I am travelling, it makes it necessary for me to have access to a computer and my iCloud for a delete and restore - not exactly convenient.


If so, why is this recommended?





iPhone 4S, iOS 6.0.1


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