IPhone 5 galaxy s2 or nexus prime?

Im available for an upgrade and I was wondering which one would be best to get ?IPhone 5 galaxy s2 or nexus prime?
Glaxy S2 or Nexus Prime. iPhones tend to be less reliable and i think the android operating system is better as it is easier to customize.
When a smart phone makes a lot about if even before its release, it means that expectations are many, and inevitably all eyes are on that model. This is what happened to the new Samsung S2 Galaxy! And we have more than one article published in this device also offering the Videorecensione. But now it is up to the mobile operators to promote the Galaxy S2. Wind it does so by proposing of the official website, its preview, with the possibility of being able to buy 599 鈧?including a sim Wind with 5 鈧?prepaid traffic and free shipping. Will he be able to break this smartphone? What do you think?IPhone 5 galaxy s2 or nexus prime?
I have a Galaxy S2 and it is a really great phone! It is the best phone on the market right now with the highest specs. When iPhone 5 comes out, even if it will be better than Galaxy S2, I doubt it will be a lot better so it is a phone that will still be fairly good even a year from now.IPhone 5 galaxy s2 or nexus prime?
iPhone 5