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0xallie/checkm8_downgrade.md

Last active February 2, 2024 08:47
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Guide for downgrading checkm8 devices
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checkm8_downgrade.md
@augumn
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augumn commented Oct 17, 2023

Hi, @Haeckli. I almost have the same device with you which is an iPhone 7 Plus(A10) and on 15.7.8. I want downgrade it from 15.7.8 to 15.4.1, but I do not have SHSH blobs(15.0-15.4.1). So how can I deal with my device to get it downgraded. By the way, does your iPhone 7's touch id and passcode work well?

Hi @augumn, first thing to say: everything (including touchID and passcode) works absolutely flawless after downgrading my iPhone 7. The bad news is: NO blobs - NO downgrade. Sorry for you...

Thanks. Next I will try sunst0rm.

@Haeckli
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Haeckli commented Oct 17, 2023

Thanks. Next I will try sunst0rm.

Never looked at that ... Good luck

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