One thing you are missing:
You really should be asking for help at lifehacker (we do not have the staff to support forums other than our own).
The other thing you are missing:
There is no jailbreak available for 5.9.4 nor is it possible to downgrade 5.9.4
Next time, send a few minutes reading at least the thread titles here (your question(s) have been answered numerous times - you could have read them here without even joining)
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