Restore iphone without updating mac
DFU (Device Firmware Upgrade) mode is not the same as restore mode.
DFU mode bypasses the current OS installed and allows you to upgrade or downgrade your OS.
When this time comes, it’s almost impossible to restore your device and start with a clean OS Semi-Restore is in beta testing at the moment, and it’s not yet clear when it’ll be officially available to the public.
Click the OK button; Now connect your i Phone 4/3GS to your computer, turn it OFF and click the Next button on Red Sn0w; Follow the on-screen instructions to enter DFU mode.
Also checkout our guide on how to put i Phone in DFU mode.
SHSH blobs are in the process of being phased out in favour of the tougher-to-beat APTicket.
Important: For this reason, you shouldn’t upgrade the software on your phone or restoring to stock if you depend on your jailbreak for an unlock.
If you are getting errors trying to restore in i Tunes, DFU mode is very likely for you. Recovery mode has a picture that says connect to i Tunes.