Help with jailbreaking and Cydia for iPhones, iPads, and iPod touches.

iOS 8.4.1 does not have a jailbreak. You can use Cydia Impactor if you need to un-jailbreak an 8.1-8.4 device without restoring.
TaiG provides an iOS 8.4 and 8.3 untethered jailbreak. Check @taig_jailbreak, @saurik, and /r/jailbreak for news and updates.
Instructions for jailbreaking iOS 8.0-8.4.
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