How to remove an evasion jailbreak?

I'm about to get sell my iPhone 4 and I need to remove my evasi0n jailbreak. I'm currently on iOS 6.1.2 and there's new iOS updated available. So how to I restore my iPhone so i can update to the latest software

Can I bring a laptop and a DSLR in a backpack as a carry-on?

I'm going to New York for an art trip for school, and I've never been on a plane before. We're on a tight schedule, so I don't want to cause any trouble going through security. I plan on bringing a backpack on the plane for carry-on and I was just wondering if I could bring my laptop and my DSLR in my carry-on. I know to keep them wrapped up and safe, and I've heard you have to take the laptop out of the bag and send it through a separate bin and then you can go on your way. Is it okay to bring both of those major electronics, plus my iphone and its charger in my carry-on?

Charging iphone on a flight?

What is the best product the charge your phone while on a flight? Do all airplanes have the armrest socket thing?

If someone uses your personal hotspot of iphone 5 what can they see?

I was using my personal hotspot via USB and then I realised it had 2 connections. I immediately turned it off.

However now I'm afraid because after this I got a call off a blocked number.

If someone hacked into my Wi-Fi from my phone would they be able to see contents such as pictures on my phone?

I'm very scaredz thank you

How long will 1g of data last?

I've just got a new phone (iPhone 4s) and I've got 1g of Internet per month. Roughly how long will it last? I have Wi-Fi at home so it's mainly at school & on weekends. I'd only use google, twitter, Instagram and stuff like that. Not downloading stuff or watching films (maybe the odd YouTube video)

Shattered iphone, what would be my best option?

I dropped my iphone 4s a couple of days ago and the screen shattered completely, but the actual phone still works. Apple said they can replace it for 200, but my insurance said they would replace it for 170. But I was also thinking, maybe I could just get my screen replaced by one of those vendors in the mall? It would be a little bit cheaper. What would be my best option? Has anyone ever replaced their screen before, I'm worried to let somebody do that, but it might be the best option.

Can't access router address from iphone 5?

Ok, I have Comcast, I accidentally did a hard-reset, Now my SSID Is not broadcasting, And the only way for me to fix it, And get it broadcasting again, I have to get to the router's Login page --Which, is NOT coming up when I searched on my iPhone --I do not have a computer! So anyways, When I start the search for http://10.0.0.1/ It says error loading page! Can anyone help me with this?