Safe Mode

How to fix boot loop on a jailbroken iPhone or iPad with ‘No Substrate Mode’

What happens when a jailbreak tweak bugs out on your device and ends up in a boot loop? Do you try to reboot the device to no avail? Do you take to the internet to ask how to fix it?

How about this: try booting into a form of booting up that Saurik calls ‘No Substrate Mode,’ then uninstall the faulty tweak.

In this piece, we’ll talk about how you can use No Substrate Mode, an under-used feature of jailbroken iPhone or iPad that can truly save you from losing your precious jailbreak when you’re unable to turn on your device.