Can i use my iphone without a data plan? - 1

Can I use my iphone for playing games and surfing the internet strictly using Wi-Fi, without a data plan? I was thinking that instead of renewing my expensive talk and data plan, get a cheap phone to text and talk. But I would still like to use my iphone to play games and surf since I have Wi-Fi both at home and at work. Is that possible?

Is 500mb a lot of Data for an iphone?

I'm planning on getting an iphone and I have two plan options. One offers me 500 mb's of Data and the other 1Gb. I'm big on social networking so I'd probably be using facebook, twitter and instagram a lot. I will probably check my e-mail every now and again but not often. I was just wondering if 500 mb's would be enough?

Should I update iPhone 4s apps?

I have an iPhone 4s and woke up this morning to 20 updates available in the app store… They're obviously all for the iPhone 5. Now since the iPhone 5 has a larger screen… Should I update my apps? Maybe this seems like a dumb question but I don't want to update then not be able to play any games because I can't see half the screen…

Can I upgrade my iphone 4 to 5.1.1 without losing my jailbreak and installous apps?

I have a jailbroken iphone 4 which is currently running IOS 5.0.1
I want to upgrade my iphone to 5.1.1 but I don't want to lose all the apps I've gotten off installous. If I upgrade, will I lose my jailbreak and all the apps I've got if I haven't synced? (I haven't synced because I know itunes will not sync and save my apps which I haven't actually purchased off itunes.)
I'm new to all this technical stuff so please be nice.lol

How to save my photos onto my computer without using iTunes?

My iPhone is synced to another computer and I just got a laptop so I want to sync it to my own laptop but I'll lose all my photos. How can I save them onto my computer before at syncing. I don't have access to the computer my iPhone is synced too to save them.