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Thread: Unlocking and upgrading iphone 4 (4.2.1 & 03.10.01)

  1. #1
    Default Unlocking and upgrading iphone 4 (4.2.1 & 03.10.01)
    I got my iphone4 about 2 years ago from an apple store at full price. (but locked with ATT)
    It was on version 4.2.1 and baseband 03.10.01
    Since then, I have been using gevey sim to latch on to the network in India. All the while I was on IOS4.

    Now, I came across this seller on ebay, who removed my IMEI number from the apple/ATT database. And, according to him now the phone is "factory unlocked".
    (I have verified the phone status here - iPhone Carrier Check Widget)
    The next step provided is to connect to itunes and restore.

    My question is - Can somebody explain how it works? My gevey sim would not work with higher IOS.
    Any feedback is appreciated!

  2. #2
    Retired Moderator iYeow's Avatar
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    Feb 2008
    Vancouver, Canada
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    You need to restore your iPhone to get it reactivated by iTunes.
    Factory is simply putting a check mark on your IMEI or if bought from apple store which is already fac unlock , iMEI is not in their locked to carrier database

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