We've shared lots of tips on getting iOS 4 to work better on older iPhones, ranging from deleting text messages to disabling Spotlight or trying different operating systems entirely. Reader Stuart Bowden has been doing his own testing to get iOS 4 running on his iPhone 3G, and shares his approach to making it usable here. Thanks Stuart!

Mac OS X: The 2G Apple TV was jailbroken shortly after its release, but until now there hasn't been a simple jailbreaking method. That's all changed with Seas0nPass.

newVideoPlayer( {"type":"video","player":"http://www.youtube.com/v/JPCJ6G8TTic&hl=en&fs=1&hd=1","customParams": ,"width":570,"height":360,"ratio":0.615,"flashData":"","embedName":null,"objectId":null,"noEmbed":false,"source":"youtube","wrap":true,"agegate":false} );

Windows: If you missed out on jailbreaking your phone using the PDF exploit, you've got a chance to jailbreak again using Greenpois0n.

A daylight saving software bug has rendered the recurring alarm function on iPhones pretty useless. Apple says it has already developed a fix, but won't say when it will be released.

We noted the importance of checking the time on devices when daylight saving began over the weekend in many states, but it turns out that iPhones running iOS 4 have a more subtle problem: recurring alarms go off at the wrong time once daylight saving has kicked in.

Apple's iOS 4.2 update doesn't hit the virtual shelves until sometime in November, leaving you without wireless printing for at at least another month. Here's how you can print from your iOS device right now, no cables attached.

Apple's pushing out an iOS update that fixes the PDF exploit that both allowed users to jailbreak their devices in one click but also indicated potentially serious security. If you're not jailbroken, you should definitely update. If you are jailbroken and would like to stay that way for the time being, you can just protect yourself against the PDF exploit in other ways. The update doesn't bring any other new features. Plug in your device and click Check for Updates in iTunes to update.

Confused on what you need to jailbreak your iOS device? Whether you've got a brand new iPad or a first-generation iPod Touch, Jailbreak Matrix dishes the dirt on what you need to jailbreak your device.

Are you the person to whom all the questions will fall when your friends and relatives upgrade to iOS 4? Turn them over to Apple, which has upgraded its manuals section to include the iOS 4 updates for iPhones and the iPod touch (both direct PDF links).