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Dual Boot iOS 7.1.2 and 6.1.3 on iPhone 4

Dual Boot iOS 7.1.2 and 6.1.3 on iPhone 4

this is a new video showing the multi-boot implementation on iphone 4 from ShadowLee19. Iphone 4 is the most hacked iDevice because of the root exploit .

This method execute an external SSH connection. Otherwise, the first stage bootloader (LLB) also unsigned operating systems will not execute. the developer call this Semi-Untethered Dual Boot. need help other computer to boot if not the device will stay on a black apple screen. This is not a tutorial , we hope will come also a full working tutorial to make possible Dual Boot iOS 7.1.2 and 6.1.3 on iPhone 4.

some details :  N90AP model 

When send the command – kloader LLB.n90ap.RELEASE.img3  the iphone 4 must execute LLB  – special – Low-Level Bootloader. following the next step to execute iBoot second stage bootloader, which will display the classic apple logo, loading the device tree and boot the kernel with the boot-args verbose boot, root device and so set in the appropriate string.

Dual Boot iOS 7.1.2 and 6.1.3 on iPhone 4

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