Redsnow 0.9.6b6 ((install)) -

Why was version b6 a beta? Because it had peculiar bugs.

Redsn0w will now install the exploit. Your device will show a pineapple logo and reboot. Tethered vs. Untethered in 4.2.1 redsnow 0.9.6b6

The iPhone Dev Team continued updating Redsn0w. Version 0.9.7 introduced the first iOS 5 jailbreak. Version 0.9.10 added support for the iPad 2. Eventually, 0.9.15b3 became the final version supporting 32-bit devices up to iOS 6.1.3. Why was version b6 a beta

Redsn0w 0.9.6b6 worked on various legacy Apple hardware, though the type of jailbreak (tethered vs. untethered) depended on the device model: Untethered Jailbreak Your device will show a pineapple logo and reboot

Check the box for "Install Cydia." You could also check "Enable battery percentage" (a fun tweak for iPhone 3GS users) or "Custom boot logo." Do NOT check "Deactivate" unless you know what you are doing.