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Thread: Partially Unlocked iPhones and Roaming SIMs
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Old Aug 22, 2012, 11:06 am
  #2  
sillypainter
 
Join Date: Jun 2011
Posts: 251
Originally Posted by Dubai Stu
Verizon and Sprint will partially unlock and iPhone so that it will work with roaming SIMs. They will not work with US SIMs. My question is what do they do with the dual IMSI SIMs ala eKit, Pirahna, Maxroam, AirBaltic (USA dream), etc. Take Air Baltic for example, it has great rates in Mexico but is clearly using a US IMSI.
The way how Verizon or Sprint detects it being in the USA is not from the IMSI, it's basically the network. So if it roams on a Mexican network, it will connect fine.

I have a tripple IMSI CelloMobile.com SIM card and it worked fine in Mexico in my Verizon Iphone 4S.
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