(adsbygoogle = window.adsbygoogle || []).push({}); is there a way to jailbreak the latest update ? or is there a way to downgrade ?

No it can't be jailbroken but Yes it can be downgraded. You'll need a device called the E3 Flasher. Once you have the flasher you can refer to this guide for more information: You must login or register to view this content.

can i jailbreak if i downgrade ?

Yes after you've downgraded you can jailbreak

Only if it can be downgraded to 3.55 or lower.