Jailbreak 7.0.4 - 7.0 FAQ.
Q: I want jailbreak iOS 7.0.4. I download iOS 7.0.4 OTA. Can I Jailbreak 7.0.4 on my iPhone?
Evad3rs: Yes, but If you OTA updated (7.0.4) your device, --> back it up in iTunes and make a FULL restore before applying Evasi0n 7
Q: I have iPhone 5S running on iOS 7.0.3. Can I jailbreak my iPhone 5S? How to?
Evad3rs.Net: Yes. We recommended restore your iPhone 5S and install iOS 7.0.4. After installing iOS 7.0.4, you can download Evasi0n 7 for jailbreak your iPhone 5S.
Q: I like Winterboard. Can I install it after jailbreak iOS 7.0.4-7.0?
Saurik: For those who only care about WinterBoard: as I expected, I got core functions working on iOS 7
iOS 7.0.4 - 7.0 Jailbreak Download Links: LINK