Would backing up then restoring an iphone remove a jailbreak?

Due to the recent release of IOS 7, i plan on updating my iphone 5(ios 6.1.2) but it is jailbroken. Would backing up then restoring my iphone keep all my pictures and app data while removing the jailbreak? If not what is your best recommendation for me to do. Would really appreciate an answer thanks!

How to back up my iphone if i don't have enough memory?

So i have a iphone 4 and i was backing up my phone for ios7 and then once i downloaded ios7 and was finalizing setting everything up i was backing up my old back up (contacts, apps, pictures etc.) and it said i didn't have enough memory on my phone. (From ios7) i'm more then willing to delete any apps or pictures but i don't know how to get my contacts back. Can someone help? Basically i'm asking how can i get my backup on my iphone after ios7 (mainly my contacts) and i will delete any pictures or apps.

My iphone 4 can't update to ios7 (error 3194)?

I've had problems with error 3194 in the past, but only with jailbroken devices. Is there any way to fix this? Also, my new computer is coming in a few days, so i'm wondering if the error comes from the computer or the device? Will the update work on the new computer?

Steps on how to upgrade to iOS7?

I have an iphone 4s, and would like to update to the new software
first of all i want to make sure that none of my pics/videos/contacts get deleted so i would like instructions on how to sync that with itunes or icloud? Last time i tried doing that it got deleted so i want to make sure that does NOT happen this time:/

and if somebody could guide me on the steps to download ios7 that would be great, please and thank you

also if you already have it, how are you liking it?

anything else i should know about?

Why does my iPhone 4 say No Service? - 1

I want to unlock my AT&T iPhone 4, I went to a website called "att-iphone-unlock.com" Cause att asking for 700$ to pay the bill and 400$ to just unlock the phone's, I spent $20 to unlock two of my iPhone's, using a money pak and paypal, but when I went to metro PCS to transfer my phone to them and they said "the phone wasn't unlocked" so I messaged the website people and they said they unlocked both phone's, Now my phone says "No Service" but I have a computer and have Wi-Fi though, So is my phone unlocked? Or what?

How to find proxy sites that i can use?

I want to bypass my schools blocked access and i will be doing so through my iphone cause i have my school Wi-Fi. So safari is my search engine if that helps and is there anywhere i can join to get fresh new proxy servers. Also in case for future reference how would one make a proxy? And is there any other way to bypass school security?

Added (1). I have used a proxy before at my school its been blocked since last year tho…

Ios 7 won't download to my iphone?

I was going to update to ios over the air but every time i go to settings, and then software update, it tells me that my iOS is 6.1.4 and my software is up to date!

Iphone Problem that Involves io7 and software updating

I updated my iphone 4s to ios7, but my dad told me after i already started not to, and he would be really mad if i did. I just couldnt tell him because I didn't want to get in trouble. Its asking me to activate my phone? Someone please help me return to ios6 and just reactivate my phone! Please!

IOS 7 on iPhone 5, no iWork

I have an iPhone 5 that I purchased in April 2013. Today (September 18) I updated to iOS 7.

So, Apple said that new iDevices will have iWork for free. (iMovie, iPhoto, Pages, Keynote, Numbers)

So I updated my iPhone 5 to iOS 7 and I can't get the apps for free.