Want to turn your WiFi-only iPad into a 3G model for free? Well, if you have a jailbroken iPhone it is actually easier than you may think. Thanks to MyWi, a jailbreak only app. We’ll walk you through how to use MyWi. To get all Cydia and cool jailbreak app updates as they happen, download the AppAdvice iPhone/iPad app!

MyWi is available via Cydia and Rock.  A simple search will bring it right up.  After downloading MyWi, all you have to do is launch the app, and flip the “WiFi Tethering” option to on. Then you can search for available WiFi networks on your iPad (or any other device) and you will see your iPhone as an available wireless network. That’s it, now you can enjoy your iPhone’s unlimited data plan on your iPad without a hardware upgrade or monthly fee.

In our tests, we found the speed to be excellent and we did not have any trouble establishing or keeping a good connection. It works so well that you’d honestly think you were using an iPad 3G with its plan. Why is this not standard in 4.0 again? The only downside is this will drain your iPhone battery pretty quickly, so make sure to have a charger near by.

MyWi is available now for $9.99 and comes with a free 10 day trial if you download it on Rock.

If you want a free forever trial AKA a free copy of MyWi, we are giving away 5 of them courtesy of its developers, Intelliborn. All you have to do is retweet this article.

For those of you not down with the Twitter thing, you can leave a comment telling us your favorite app or thing about jailbreaking (and DON’T say downloading cracked apps as we don’t stand for that at AppAdvice). Winners will be chosen by the end of day, so get your tweets and comments in!

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Alright, the contest is now closed. Thanks for your massive and enthusiastic participation.

The winners are: Frank Black, Shawn, @chikebum, @mfleigle, @Pendlomator. Congrats!