Hi Lifehacker, I am trying to find a good cheap smartphone for around $200. Right now the iPhone 4S seems like a good option, though I realise there's a risk it will not be able to run iOS 9 when that appears at the end of this year. Is it a good idea to get a refurbished iPhone?

The internet's full of guides to help you navigate Apple's latest and greatest phones, but would you be inclined to get hints and tips from Apple itself? Well, owners of the iPhone 4s, 5c and 5s can find out right now.

Siri can be great for hands-free use of your phone, but a recent experiment by Apple Analyst Gene Munster shows that if you can use your hands, you're better off just typing your search into Google.

Rumours swirl, but we're months away from a major update to the iPhone platform. Who has the best iPhone 4S deals right now? Our Planhacker compendium rounds up every contract deal in a spreadsheet format you can easily filter to find just the deals that suit you.

SloPro unlocks the true potential of the video camera in the iPhone 4S, allowing it to shoot 60 frames per second and create stunning slow motion footage.

Siri is one of the main selling points of the iPhone 4S, but can it really realise the promise of a true digital assistant making hands-free communication easier? Kotaku editor Mark is about to find out the hard way after he vows to communicate with his wife only using Siri and texting.

iPhone-hacking group Chronic Dev Team just released the first untethered jailbreak for the iPhone 4S and iPad 2 running iOS 5.0.1. We've explained why a tethered jailbreak can be such a hassle, which is why we've been waiting to recommend jailbreaking your up-to-date iPhone. Luckily, that wait is over.

Can Apple's flagship phone persuade Road Worrier to switch into the iOS camp? Here's what I enjoyed and abhorred about the iPhone 4S in a month of using it in multiple locations.

If you're brand new to the iPhone, there are a few important skills you ought to know. Here's a run down of the basics, plus a few pro tips to give an extra edge.

Siri, the iPhone 4S voice recognition assistant, is very useful! But if you've got a low-level data plan, you should be careful. Ars Technica ran some tests and found that if you use it 10-15 times a day, you're going to use about 27MB a month.

Today Apple seeded a beta of iOS 5.0.1 to developers, providing a fix for the iPhone 4S battery life issues and bugs in iCloud.

British news site The Guardian reports that a large number of people have found that the Setting Time Zone update is operating even when there is no chance the user would have moved to a different time zone. If true, this could explain the poor battery life of the iPhone 4S.

Dear Lifehacker, Around the time that your Planhacker guides for the iPhone 4S were released, I had my eye quite firmly on the $59 plan from Telstra. Now that my contract is about to run out I can only find it on the $79 plan and above on the Telstra site. Has Telstra done the old bait and switch, or have I missed something? Fingers crossed it is still available on request. Thanks, 4SPlay

A Lifehacker reader wonders why his new iPhone 4S has poorer battery life than his old 3GS. My experience of iPhone batteries is that they take a couple of cycles before the meter is accurate but I don't have a iPhone 4S yet so I can't comment one way or the other. What about other iPhone 4S owners? What's the battery life like?

iPhone: Siri, the iPhone's new voice-controlled assistant, not only lets you send messages and look stuff up on your phone, now you can also ask Siri to remind you of tasks via Remember the Milk.

OK, I had my fun with Siri last week testing the limits of its Australian accent recognition. Time to get down to more serious work -- what can you actually use Siri for?

A large handful of new iPhone 4S owners have run into a troublesome error where Siri is basically rendered useless because it can't connect to the internet. Fortunately, the good folks over at Addictive Tips have discovered a possible solution and it's pretty simple. All you need to do is reset Siri. Just follow these steps to get the job done.

By now, the first early buyers should have their iPhone 4S and have had a chance to play around with Siri, the impressive-sounding voice command system which (for now) is only on the 4S. Siri is said to be ready for Australian accents and vocabulary right out of the box, but how well is it actually working? We want to hear your stories.

At 8am today, the new iPhone 4S officially goes on sale in Australia. Here's the key stuff you need to know if you're considering buying one today or in the near future.