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Discuss Is the hardware hack the key to downgrade modem firmware? at the iPhone "2G" (Rev. 1) - Hackint0sh.org; I have a feeling that the hardware reset bb chip (geohot's method) is the key ...
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    Default Is the hardware hack the key to downgrade modem firmware?

    I have a feeling that the hardware reset bb chip (geohot's method) is the key to downgrade modem firmware. I will get my 1.1.1 within 2 weeks. At the moment, has anyone try that method? With my little previous electronic knowledge, chances are that apple will block modem chip from reseting and reflashing by hardware method is near zero I guess. However, I might be wrong.



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    still impossible until we have a jailbreak.

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    How about downgrade the firmware from 1.1.1 to 1.0.2. Then we can jailbreak. However, the modem firmware is still the new one. After that we can use the geohot's method to reflash the bb chip to older version. Is there any light on this?

 

 

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