Photos: iPhone 5 – Perhaps you've heard of it. The sixth version of Apple's pioneering phone went on sale in stores Friday and boasts a larger screen, more powerful processor, better camera and the ability to run on faster 4G LTE wireless networks. Apple took 2 million pre-orders for the phone in the first 24 hours. Hide Caption 1 of 11

Photos: Samsung Galaxy S III – The iPhone's main competitor, Samsung's Galaxy S III, is larger and faster. And it includes hip features. For one: It switches to silent mode if placed face down on a table. Hide Caption 2 of 11

Photos: HTC One X – HTC's One X is seen as the most stylish Android phone. "It can't be overstated what a beautiful device this is," wrote a reviewer from The Verge. It's also powerful. Hide Caption 3 of 11

Photos: Nokia Lumia 920 and 820 – Once-dominant Nokia has been slipping. Its Lumia 920 and 820 phones, however, feature new camera tech and run the Windows Phone 8 operating system. Comeback? Hide Caption 4 of 11

Photos: Motorola Razr – Motorola, now owned by Google, released a new line of Razr phones this summer. The Razr M will be available for $100 with contract. It runs the Android OS. Hide Caption 5 of 11

Photos: Samsung Galaxy Nexus – From Samsung and Google, the Galaxy Nexus soon will run the latest version of the Android operating system. Face-recognition tech lets you "unlock your phone with a smile." Hide Caption 6 of 11

Photos: Sony Xperia Ion – The standout feature on the Sony Xperia Ion is its camera, which has 12 megapixels to the iPhone 4S's eight. It's only $100 with contract. Hide Caption 7 of 11

Photos: Motorola Photon Q – Most smartphones have ditched tactile keyboards. Not the Motorola Photon Q. Engadget says it has "one of the finest physical keyboards we've used on an Android device." Hide Caption 8 of 11

Photos: Samsung Galaxy Note II – With a monster 5.5-inch screen, the unreleased Samsung Galaxy Note II is a "phablet," or a phone-tablet hybrid. It doesn't fit in your pocket, but it does come with a stylus. Hide Caption 9 of 11

Photos: LG Optimus Vu – Also in the mondo-screen category is the LG Optimus Vu, which Wired says "promotes doodle scribbling and free-hand note-taking." Hide Caption 10 of 11