IOS 8.1 has been released for some time, and the verification of iOS 8.0.2 has also been closed by Apple. This means that if you want to restore your iPhone, you can only use iOS 8.1 instead of downgrade it to below 8.1. Although Apple has turned off the verification of 8.0.2, it does not affect the perfect jailbreak of iOS 8.0~iOS 8.1. If your friend is still painting firmware below 8.1, tell him not to bother. No matter how he brushes, error 3194 will occur.
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