How to connect iPhone Internet to laptop?

I have iphone 4 and I'm using giffgaff unlimited data my iphone updated to 6:1:3 when I go on setting there's no option of personal hotspot or tether? Is there anyother way to connect my iphone not jailbreak yet.

How to Tether an iPhone to a Laptop
Read more: http://www.ehow.com/...z2XGGSnJ4e

How to Tether the Internet to an iPhone
Read more: http://www.ehow.com/...z2XGGgKYmt

The Best Way to Tether Your iPhone to Your Laptop (for Free) http://lifehacker.com/...p-for-free

If you have a mobile hotspot on the iphone, then you will be able to do that. You can get a hotspot service through the carrier, but apart from that, jailbreaking is your only option when a jailbreak for iOS 7 comes out because there will not be a jailbreak for 6.1.3.