There was a PDF exploit in Safari in iOS 4 on the iPhone, which is how comex and other members of the iPhone Dev Team were able to jailbreak it. But Apple quickly found out about it, and released a patch for it. However, this patch (iOS 4.0.2 or iOS 4.1) will cause you to lose your jailbreak and your unlock, possibly forever! So don’t do it.

Instead, do this:

OK. Here’s an iPhone tip for you. This should work for all iPhones. It’s a tip that will help you to play your videos for a LOT longer time period before the battery dies…up to 3 to 4 TIMES longer! Crazy, huh?

What’s the secret? How do you do it? Easy…

I don’t what it is about my iPhone these days. Maybe my iPhone knows that I’m thinking about getting the iPhone 4G when it comes out. Doesn’t it know that I’ll find a good home for it? Anyway, a day or two ago, I got the white screen of death. The whole screen was white and I couldn’t do anything with it. I did some quick research, and found that all you have to do is a soft reset.

Here’s how: