Do not try this on an essential device, or if you are not prepared for things to go wrong. Make a full backup before you begin. The tool is in beta, be prepared for possible bugs. There are also some requirements for using the tool, which you can find below:. Make sure you have enough space for this or the installation may fail. Seals also warns not to enable iCloud backup on the secondary OS. Copy link. Copy Copied. We use cookies to ensure that we give you the best experience on our website.
If you continue to use this site we will assume that you are happy with it. Ok Privacy policy. If you are stuck on iOS 8 or 9, CoolBooter will let go you go back to a stable firmware iOS 6 while still keeping your stock firmware.
Coolbooter is only compatible with bit devices — iPhone 5 and older models. Gian is the resident jailbreak expert at Yalu Jailbreak. He has been jailbreaking his iPhone since Best way to catch his attention? Show him a tweak he hasn't installed. To disable the untetherer, the user must hold the volume down button on their device until their main OS lockscreen shows. From The iPhone Wiki. Jump to: navigation , search. Navigation menu Personal tools Log in.
That information can be found in my previous article , but consists mainly of:. The linked article will help you do this too. This guide assumes you are using a Mac, though Windows and Linux should work fine too using their own Terminal equivalent, provided they support OpenSSH. Use the instructions linked in the guide in Step 4 to do this if necessary. Depending on your device, it could be anything from iOS 5. On my example device I wanted to dual-boot with iOS 7.
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