Top 10 GSM Mobile phones. GSM is the Most popular standard for mobile telephone systems in the world. GSM is used by over 3 billion people across more than 212 countries and territories. GSM is a cellular network, which means that mobile phones connect to it by searching for cells in the immediate vicinity.

1. HTC HD2  delivers an experience your senses have been waiting for. The unprecedented 4.3-inch pixel-packed display is stunning. The worlds first capacitive touch technology on a Windows phone along with 1 GHz processing power ensure a smooth and lightning-fast response to the lightest touch of your finger. Most importantly, it is our first Windows phone to embody HTC Sense - a holistic experience that focuses on making phones work in the most intuitive way. HTC Sense is based on three core principles  make it mine, stay close, and discover the unexpected. With HTC HD2, communication is focused around people rather than applications, so all of your interactions like email, SMS, phone logs, and even updates from Facebook are all in one place. Right where your instinct tells you to look  next to the photo of the person with whom you want to stay in touch with. In business, a phone call often has the power to prevent a mile-long pile up of inconclusive emails. HTC HD2 makes it simple to go from reading an email to calling the sender. All it takes is a single tap on the large phone icon right from the email. And if you need to get everyone involved in the discussion  just tap next to the images of everyone to create an instant conference call. Forget the challenge of jumping from your calendar to your phone application while trying to find and memorize the number for your next conference call. On HTC HD2, conference call reminders conveniently appear with a big dial button ready for you to press, even the PIN is displayed, so you'll never miss out on the latest strategy session. More info about this product.

2. Motorola DROID Milestone  Unlocked GSM Smartphone. With it - the web is richer. Photos are sharper. Videos pop. And it has the most advanced browser and Android 2.0 software with a blazing-fast processor and 3G speed for faster search. The Motorola DROID Milestone Unlocked GSM Smartphone is the world's thinnest QWERTY slider, standing at just at 0.54". It can help you navigate turn-by-turn. It has a 5-megapixel camera with a flash, plus loads of great camera features and a DVD-quality recorder to capture all the richer, bigger, wider experiences you're going to have. It's the phone with the "Hi" IQ. For the ultimate choice in multimedia and communication - get the Motorola DROID Milestone Unlocked GSM Smartphone today! More info about this product.



3. Sony Ericsson XPERIA X1 touchscreen Smartphone You are in control! Next-generation touch software give the Sony Xperia X1 has an edge over other phones that can't be beat. A fully customizable desktop gives via Microsoft's Windows Mobile 6.1 Professional Technology this gives total freedom over how the main menu of the phone is arranged. You can place windows in any arrangement depending on how you need them. If you like your contacts and games up near the top, just drag and drop! It's that easy. Connections covered There is no way that the Ericsson Xperia is going to leave you hanging at that pivotal moment. With Quad-Band GSM and Tri-Band 3G connections, everywhere you go you'll have signal. You get a Wi-Fi signal to surf around the internet, and of course Bluetooth and USB to store data. Messaging simplified Why mess around with onscreen keyboards like most other touchscreen phones require you to do? Get the most out Sony Xperia with... More info about this product.



4. HTC Hero  is our first phone to embody HTC Sense - an intuitive, seamless experience built upon three fundamental principles - make it mine, stay close, and discover the unexpected. With HTC Hero, personalization reaches a level never before possible. Rather than burying important content under layers of menus, the HTC Hero lets you put it at glance view, with a selection of widgets that can be placed right on the home screen. The widgets themselves can be personalized with a variety of designs and sizes that best match your personality. With Scenes, a new profile feature, HTC Hero becomes multiple phones in one. Create and switch between Scenes that reflect different moments in your life. Your Hero becomes a weekend phone that helps you relax with your choice of tunes, catch up with your favorite friends and capture some memories with HTC Footprints. And when you go on a trip, your phone becomes your personal guide and gives you instant access to local time, weather and maps. Today, staying in touch with the people in your life means managing a variety of communication channels and applications ranging from phone calls and emails to Facebook updates. HTC Hero makes staying close as simple as turning to your friend and saying hello. When you view people, you see the different ways to get in touch, you also see all your interactions like emails sent to your personal and work accounts. You can even check for social network updates and event notices as well as see the latest pictures your friends uploaded to popular photo sharing sites. Many of the most memorable moments in your life are experienced, not explained. Even basic functions like the dialer will pleasantly surprise you on the HTC Hero. You can find a person by dialing their phone number or simply by dialing the first few letters of their name. With HTC Hero, you can look at things through different perspectives. More info about this product.



5. Nokia E72  The latest full-QWERTY keyboard Eseries tunes into the needs of busy working people. The Nokia E72, fast, full of resources, sports a slim profile. Many of its biggest strengths are around the richness of the out-of-the-box email and instant messaging experience. The E72 develops on the huge success and popularity its predecessor, the E71, by adding great new features and improvements. It now provides the desktop-like interface so popular in the E75, as well as combining multiple business and personal email in-boxes into one. You can now also connect to your favorite IM accounts direct from the home screen. There is improved speed of Internet up- and down-links too - plus enhanced navigation with compass, integrated Nokia maps. Add to that a 5-megapixel camera, standard headphone jack - plus lifetime licenses for some email and navigation services - and you can see the Nokia E72 raises the bar for quality and performance in a business-focused mobile companion. More info about this product.



6. Samsung i8510 INNOV8  is made for tech-savvy users who wants to enjoy the best possible multimedia entertainment with their mobile phone. With the 8-megapixel camera, pre-embedded 3D games, high speed data connections and much more other features will help users gain the true benefits of mobile entertainment. Recognized as Samsung's first ever 8-megapixel camera phone, the Samsung INNOV8 is ideal for users who want to capture and store precious memories in style with its 2.8 16M color LCD. The 8G or 16GB Flash memory and external memory slot upto additional 16G provides sufficient contents storage. Supporting a wide range of video player formats including DivX, WMV, Real Player and MPEG4, users can enjoy an exciting pocket cinema experience. Its external dual speakers and 3D surround sound supported by DNSe 2.0, make every video clip and movie more realistic than ever. With an optical mouse and 4-way navigation key, users can enjoy PC-like browsing experience. Both HSDPA high speed Internet and WiFi connection offer convenient and seamless internet experience wherever users are. The phone is equipped with A GPS technology, offering navigation and geo-tagging service. It also comes with the Symbian OS V9.3, S60 3rd Edition Feature Pack 2. More info about this product.



7. Nokia N82  The convergence of GPS, photography, video and the web has changed the way you experience your world. Discover new places with integrated GPS, maps and search. Document your adventures with a 5 megapixel camera, built-in Xenon flash photography and one-click photo upload to the web. Instantly share your mobile gallery with others through emails, blogs and instant messages. Relive your moments just as you experienced them. And start telling better stories. More info about this product.



8. Samsung I8000 Omnia II  Breaking new ground in smart performance, Omnia II delivers the total package of features and fun. Omnia II comes fully loaded with an oversized AMOLED Display, simple touch optimised UI, and an array of improved multimedia features, for an unmatched all-in-one mobile experience. You will enjoy viewing your favourite photos, videos and more on the oversized 3.7-Inch AMOLED display. With AMOLED unparalleled vividness and WGVA resolution, the display could be seen even in direct sunlight. You will also experience the pinnacle of mobile viewing quality and versatility. You will be surprised by Omnia II ease-of-use and deep customisation options. With its improved touch optimisation, innovative Cube UI and convenient 3D interfaces, you will experience a seamless UI that surpasses expectations for full touch smart phones. With the embedded 5 Megapixel camera and SD (720 x 480) video recorder, you can conveniently create professional-like visuals without carrying around an extra camera. You will be particularly impressed with the wide range of advanced photography features and video editing tools offered in such an easy to carry, all-in-one package. Map out the best routes, point out the landmarks and guide you back on path when you make wrong turn. More info about this product.



9. HTC Google Nexus  One Representing the next stage in smartphone development, the unlocked Google Nexus One phone from HTC offers supercharged power with one of the fastest processors currently available in a smartphone, a 3.7-inch AMOLED touch display, and access to all your contacts and most important data from a variety of Google tools via the Android 2.1 operating system. With integrated Google technology, the Nexus One brings one-touch access to the popular Google mobile services millions use every day, including Google Search by Voice, YouTube and Picasa. The Google Nexus One integrates with all of your favorite Google applications--from e-mail and calendar to Google Voice and YouTube. The 5-megapixel camera on the back also captures DVD-quality widescreen vide (see a schematic of all ports and controls). In addition to 3G connectivity, the Nexus One offers Wi-Fi networking (802.11b/g) for accessing home and business networks as well as hotspots while on the go and Bluetooth connectivity for both hands-free devices and stereo music streaming. Other features include assisted GPS (AGPS) with Google Maps Navigation providing turn-by-turn voice guidance, memory expansion via microSD memory cards (a 4 GB card is included with the device), threaded messaging for seamless on-the-go conversations, and up to 7 hours of 3G talk time. More info about this product.



10. BlackBerry Bold 9700  This premium device gives me the cutting edge technology to keep me productive and in the know in work and life when I am away from my computer without trading off style. The BlackBerry® Bold 9700 smartphone has a large, hi-res screen that displays over 65,000 colors; creating a vivid viewing experience for all your photos, videos, files and websites. Access what's important with trackpad navigation based on how laptops are designed. Glide your finger over the trackpad to scroll through menus and icons. A slight press and click lets you select an item to navigate where you want to go. Enjoy music, videos, photos and documents in great color and sound. Easily sync data and audio files from your desktop to the BlackBerry Bold 9700, and get up to 35 hours of music playback time. Enhance the 256 MB of on-board flash memory by easily inserting a microSD card. Create extra room for emails, messages, apps, multimedia files, documents and all the other important things that you want to take with you. Along with a 3.2 MP camera, the BlackBerry Bold 9700 smartphone features video camera functionality. Record and view videos on the hi-res screen, and share them through email, text messages or social networking sites.Hi-speed 3G network connectivity lets you browse the web or view email attachments faster. While Wi-Fi® support enables your BlackBerry Bold 9700 smartphone to access available hotspots. More info about this product.