There Is No iPhone 4s iOS 8.4.1 Jailbreak
If you're looking to jalbreak your iPhone 4s, do not upgrade to iOS 8.4.1. There is no iOS 8.4.1 jailbreak and there probably won't be one.
iOS 8.4.1 plugged up the exploits used by the iOS 8.4 jailbreak which means that the next jailbreak we see will probably be for a version of iOS 9. Developers are working on an iOS 9 jailbreak but we still don't know when they plan to release it.
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