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Apple continually strives to improve the iPhone's picture taking capabilities, and the iPhone 4 and 4S are no different. Maybe the impressive low light capabilities and high resolution photos are not the look some photography buffs enjoy. If the five-element lens in the iPhone 4S is too perfect for your tastes Holga has just the accessory for you.

Now you can transform your iPhone 4 or 4S into a toy camera, Holga style. The SLFT-IP4 iPhone lens filter kit fits like a normal case on your device, but gives you access to nine different retro special effects without using software.

When it comes to smartphone photos taken and posted on popular sharing site Flickr, Apple just surpassed itself again. The iPhone 4S has flown up the ranks to beat the iPhone 3G as the second most popular device to snap photos with on Flickr. This kicks the iPhone 3GS down to third and the Android HTC EVO 4G into fourth place.

The reigning champion of mobile phone image uploads? The iPhone 4 retains its lead in the segment, blowing away the competition. In fact, when it comes to overall camera statistics on Flickr the iPhone 4 also comes in first place, ahead of several digital SLR models. The Canon EOS 5D Mark II and the Nikon D90 follow in second and third place respectively, with the Canon EOS Rebel T2i and Canon EOS 7D following behind.

Users complaints about iPhone 4S SIM card error messages that read "Invalid SIM" and "SIM Failure" have been piling up on the Apple Support forums since the device went on sale in October. The glitch prevents users from using their phones when the SIM card is in the slot.

According to ZDNet this is not a new problem. The Sim card error message is from a design flaw that has affected the iPhone 4 in the past. Sometimes the SIM card causes a short circuit when it makes contact with the tray eject mechanism. The short circuit causes the error making the SIM card unable to connect with the wireless provider. This prevents users from performing the most basic functions like texting or placing phone calls.

The fact that Siri is limited to the iPhone 4S is a huge limitation for some users who would like to use the technology for other applications. Desktop computer software designed for voice dictation of text with similar accuracy to Siri can be expensive. Luckily, there's a method to use all of the power of Siri on your iPhone 4S to dictate words to any text field on your Mac, Windows or Linux computer.

This can come in incredibly handy for writing reports or composing outgoing emails in a hurry. No jailbreaking or other tricks are required, the process is made possible by a $1.99 iPhone app known as Mobile Mouse. Even the lite version available for free works if you don't mind a few advertisements.

Imagine a future iPhone that would automatically detect your clumsiness, knowing when it was dropped. Then in a split second the device inflates a liquid bladder between the glass display and the chassis of the iPhone to protect the screen from impact. This high-tech shock mount would absorb the vibrations from the impact and prevent cracked screens.

Sound like science fiction? Although we haven't seen this invention released on any mobile computing products, according to Patently Apple the company filed a patent for this drop protection system in the first half of 2010. It could be just what the doctor ordered if Apple continues to use glass so prominently in its mobile computing products.