How to jailbreak iOS 6.0-6.1.2 untethered on all iOS devices (and 6.1.3 tethered on older iOS devices).
Apple has released iOS 6.1.3 and 6.1.4; do not upgrade/restore (if you want to keep your jailbreak). You cannot downgrade/upgrade/restore to 6.1.2 using SHSH blobs on newer devices; older devices that can use SHSH blobs are iPhone 4, iPhone 3GS, and iPod touch 4th gen. Learn more.
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