How can I upgrade Hudl to Jellybean 4.3?

[Guest Reloadit]

I am hoping someone can assist me in moving my Hudl from Jellybean 4.2 to 4.3 or a ROM which is pretty close to 4.3.

 

I also have no experience of rooting or flashing Android devices in anyway, so I would be grateful for any tutorials.

 

Many thanks