Why won't Siri work on my iPhone 5?

When I press and hold the home button on my new iPhone 5 Siri does not respond. Instead voice control pops up. I went to Setting>General>and Restrictions, and I have turned on Siri. Voice control still responds when I press and hold the home button though. Do I need to do something else? What am I doing wrong?

My jailbroken iPhone won't download apps from safari?

Since installous is down forever a new app called vShare has been revealed and it's just like installous and some say it's even better anyway I went to their website to download it there was a message under the download button says that I must have "AppSync" in order to download it which I already got but when I press the download button a message comes up saying "unable to download the application" and the same error appears when you try to download an app from safari with an unjailbroken iPhone which I just don't understand why wouldn't it download… I have all the requirements and it's still won't download…

And btw I tried restarting spring board, rebooting and even reinstalling app sync iOS5+ but still nothing

How to unlock my sprint iPhone 5? - 1

Well i just bought a 16 gb iPhone 5 from ebay but its locked to sprint and since i live in bolivia there's not even a way for me to use it with sprint. Can someone tell me how can i unlock it so that i can use it with any bolivian gsm neteork please? If its possible how can i unlock it with cydia since i thought in jailbreaking it.

Can you use iCloud to reduce usage on iPhone?

Essentially I have a 16gb iphone with minimal space left and am looking at ways to reduce the usage to fit more on. It says on my usage that iCloud has 5gb of 5gb free? If I were to use that 5gb would it free up space of the 16gb?

How to install vshare without installous?

I first deleted installous, i saw the info of vshare, and now i tried to install it again its not working, so how can i install vshare without installous on iphone 4.is there a way of downloading it on computer and syncing it on iphone

How to unlock my sprint iphone 5?

Well i just bought a sprint 16gb iphone 5 on ebay but i live in bolivia and i don't know how to activate it with a bolivian gsm network. Can someone tell me how to unlock it… If it is possible how can i do it with cydia?

How to avoid using so much Data?

I used to have Verizon unlimited everything. Now they brought this data plan($$$) were I'm allowed just 10GB a month for two iPhones.

I'm already on 8GB used and I still have 18days to go.

What can happen is I go over?
How can I avoid using so many GB?

Should I use Wi-Fi at home?