Thread: Downgrade 1.1.1 to 1.0.2
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Old 09-30-2007, 03:57 AM
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compuguy1088
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Quote:
Originally Posted by The iPhone Blog View Post
I'm not clear on what this does. I followed the instructions; downgraded to 1.0.2, but I am still stuck with the same "Incorrect SIM" message as before.

The onscreen 'i' now displays the correct corresponding IMEI number found on back of the device though. Whether that's a positive or negative sign I haven't a clue.
Quote:
Preliminary reports say that the OS is downgrading but the modem firmware is not (aka, the modem firmware stays at 04.01.13_G instead of downgrading to 03.14.08_G). This allows use of Wi-Fi but not GSM functions (phone/edge/sms) unless you're using AT&T.
This does not downgrade the baseband, only the firmware! Your only going to have wifi after the downgrade.
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