How to know if I have the FBI virus on my iphone?

The pop-up came on my iPhone today, and after trying and trying and trying, I finally closed it out. My phone is jailbroken. I cleared my history and my web data. Am I good?

I was going to say on iphone you don't have to worry about it unless its jailbroken, but I see you said that you did jailbreak it… So you are on your own on this one. You are now open to viruses, keyloggers, and many other things.