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After launching Android 4.4 KitKat alongside the Nexus 5, Google released the latest version of the mobile OS for the Nexus 4, Nexus 7 and Nexus 10. The roll-out of the OTA upgrade kicked off on November 13 and the factory images arrived a couple of days later. Since I have already explained how to use the OTA files to get KitKat up and running, in this article I will show you how to do the same by leveraging the factory images.

Aside from allowing users to install Android 4.4, the KitKat factory images also come in handy for those who wish to upgrade, return their Nexus device to stock before selling it, and install various bits (the radios, the bootloader, etc.) to use with custom Android distributions. As you can tell, the factory images have a broader scope and, therefore, I will also cover the other most important ways you can benefit.

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With both models of the new Kindle Fire HDX tablets now out in the wild, Amazon can concentrate on tweaking the system to add features and fix bugs. The device, while considered to be a competitor to the Nexus 7, is really more about media, specifically that from the retail giant's ecosystem.

The latest update, which rolls out today, takes the OS to version 3.1 and adds several new features to enhance the 'media device' perception even more.

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Yay! The PlayStation 4 is out in the wild! Yippee! Oh…. It's broken. Boo! Sound familiar? Think back to the Xbox 360 and Microsoft was blighted by the infamous RRoD (Red Ring of Death) that signified cooked hardware. It's looking as though the much anticipated launch of the PS4 is suffering a similar fate as more and more users complain about consoles that will not turn on, and exhibit nothing more exciting than a pulsing blue light -- the imaginatively name Blue Light of Death, or BLoD.

Sony may have been rubbing its hands with glee as more than a million consoles flew off the shelves in the first day on sale, but things very quickly took a turn for the worse. Take a look at the PlayStation 4 support forums and you'll find a large number of complaints from disgruntled gamers annoyed at the fact their console is not working. The hashtag #PS4broken has been trending on Twitter on and off as users take to the web to voice their annoyance.

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Google Glass is still being tested by a limited number of lucky users, and Apple’s rumored smart watch remains ever elusive, but wearables is clearly one of the fastest growing areas in technology, so it’s inevitable that an exhibition would be set up to showcase it.

The Wearable Technology Show will be held on the 18th and 19th March 2014, at the Olympia Conference Centre in London, and include three dedicated conference rooms, over 70 sessions on fashion, sports and fitness, health, M2M, live product demos, a developer hackfest and a business startup track.

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It's an indication of the impact of social media that Twitter is now often the first place where people learn of major news stories. But that's a double-edged sword because it can be hard to know how accurate the information you're reading is.

From today Twitter is making it easier for government organizations and charities in the UK and Ireland to make timely and accurate information available via Twitter Alerts. The alerts service launched in the US, Japan and Korea in September of this year and has already been used by a number of public services to share information during emergencies involving public safety, bad weather and so on.

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To help fight the problem of child pornography online, Google and Microsoft are joining forces to block access to illegal content in the UK and then globally. Writing in the Daily Mail, Google's Eric Scmidt explains how new search filtering techniques now prevent more than 100,000 search terms relating to child pornography from returning any results. The filtering is starting in English speaking countries, but will soon roll out to more than 150 languages.

He explains that Google and Microsoft have worked with law enforcement agencies for many years and are proactively involved in the removal of illegal images. More than 200 extra employees have been assigned the tasks of developing new technologies over the last three months. This is very much a joint venture between the two companies, and Schmidt recognizes the input of Microsoft, saying that the company "deserves a lot of credit for developing and sharing its picture detection technology".

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The Raspberry Pi has been at the top of my ten year old nephew's Christmas list for months now, and every time he comes to visit he asks me to power up the Model B I bought back in March, and of course I’m more than happy to do so -- any excuse.

The super-affordable uncased ARM GNU/Linux computer has been enjoying huge success since it launched in 2012, selling a million units in its first year (see the Q&A we ran with the Raspberry Pi Foundation’s Liz Upton following that milestone) and we reported sales had hit 1.75 million a little over a month ago, so it’s impressive to hear that the British-made board has just smashed through the two million mark.

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I am a big fan of the TV show Who Wants to be a Millionaire. My Tivo records it every day and I watch it in the evening. While I have been watching the show for years, I have never seen anyone actually win the show and leave with the full $1 million. That ultimate prize has proven elusive.

While Sony did not win a game show, the company announces something that was surprisingly not elusive -- one million PlayStation 4s sold in 24 hours. While the console was expected to be popular by many, nobody could have predicted such a remarkable feat on the first day.

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Fancy getting your hands on a Nexus 7 without having to part with any cash? If you've been on the lookout for a 7-inch Android tablet, Google has a contest that may well be of interest. Providing you live in the US, you can take part in a photo competition to bag yourself either a free Nexus 7 or a $50 Google Play gift card. Sound tempting? All you need to do is take a photo of an arrangement of things that matter to you -- that's all there is to it!

The competition is not actually new as three draws have already taken place -- but there are only a couple of days left to try your luck with the final one. A reminder was issued on Google+ and while the introduction on the main competition page suggests that photos need to include an Android device, read on a little and you will discover that this is not actually a requirement for entry -- but make sure you don’t include a rival product in the shot though, as "non-Nexus or Android devices (phones/tablets) may not be shown in entry".

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When I preordered the PlayStation 4 from Amazon in June, it felt like an eternity before I would actually receive the next-generation console. Like many people these days, I crave instant gratification and patience is not a character trait that I posses. However, the long wait definitely trumps being a sucker in a line on launch day.

As a kudos to Amazon, the entire process was painless. This is in stark contrast to my horrible experience pre-ordering the Xbox One from the Microsoft Store (which I ultimately did not do). The online bookstore-turned-everything-store made the process orderly and I received the PlayStation 4 yesterday evening. While I was tempted to rip into the box immediately, I used self control and instead waited until after dinner so the entire experience would be uninterrupted. After getting home from my favorite Thai restaurant, I took the enormous brown Amazon box to my mancave-slash-office and magic happened.

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It’s been in development for a long time, but PC remote control app ROCCAT Power-Grid is finally available for iOS and Android devices. And so you’re now able to view your PC’s status, launch and control programs, monitor emails/ Twitter/ Facebook, play music and more, all from the comfort of your own smartphone.

This is just the start, though. You’re also able to create your own "grids", collections of tools which help you to control particular programs or perform various tasks. It’s possible to download and install grids created by others, too, and just browsing these will give you an idea of what Power-Grid can do.

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It would be a strange week if Google didn’t steal a few headlines, and this week saw the introduction of new quick actions to Gmail as well as the launch of a series of online tools to help with the aftermath of the Philippines typhoon. Changes were also made to attachments in Gmail so it is now possible to download files directly to Google Drive. After the launch of the Nexus 5 -- which Brian was not blown away by -- Google also started to roll out Android 4.4 to Nexus tablets -- Mihaita was on hand with a guide to manually upgrading for anyone who did not want to wait for the OTA update to arrive. The news wasn't so good for the Chromebook 11 which was taken off sale after problems with overheating chargers. Google won a court battle after a judge ruled that the scanning of books is not illegal.

This week it was revealed that while BitTorrent still accounts for a large proportion of web traffic, and usage has actually increased in Europe, in the States there has been a drop in traffic. Anyone who seeks entertainment through other channels will be pleased by the fact that Roku streaming boxes can now be used to access Disney and ESPN channels. The Netflix channel was also updated with a new look.

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RaMMichaeL’s excellent 7+ Taskbar Tweaker has been updated to version 4.4 with the inclusion of even more tweaks and customizations. A new "Hide the Start button" option does exactly what you’d expect, for instance, saving useful taskbar space. And yes, it works in Windows 7 and Windows 8.1.

If you need another way to launch the Start menu or Start screen, then good news: install 7+ Taskbar Tweaker 4.4 and double or middle-clicking empty taskbar space will do just that.

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Bluetooth is everywhere these days -- in our smartphones, tablets and even in newer computers. We use it for the mouse, keyboard and other items. Increasingly, that extra item is a speaker, or perhaps two, in the case of the new Logitech Mini Boom. But that's far from the only show in town, as Divoom also produces a speaker that it hopes can rival competitors in the market.

That market has become increasingly competitive, which is not particularly surprising given the growth of handheld devices, some of which produce less-than-ideal sound quality. The Bluetune Bean attempts to help alleviate this problem, by providing an external source to pound out your tunes with a bit more fury than the tiny built-in speakers that come as part of your tablet or phone.

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Mr. Cook,

Apple has a big problem. The news media and technorati treat your company like Microsoft. Can you say "has-been?" For nearly 15 years, the company that Bill Gates built could do no right. Every seeming innovation met fierce criticism. Today, tongues wag about how Apple has lost its way under your leadership and how the days of innovation are over.

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