Mobile Technology

Mobiles or cell phones, rather than being a luxury, have become a basic necessity to be in touch with the loved ones and to keep yourself abreast with the latest. Every year around hundreds of models with the latest technology of different mobile companies are launched.

But do you know on what technology your cell phone runs? Cell phones generally run on GSM technology or CDMA.

Global System for Mobile Communications or GSM:

GSM is a cellular network in which mobile phones search for the cells in the immediate vicinity to connect with the network.

GSM is one of the most popular standards used in mobile phones today, with over 82 per cent of the mobile market globally using it. GSM is said to have pioneered the concept of Short Messaging Services (SMS) which is implemented in other standards or technologies as well.

Most of the GSM networks operate in 900 MHz or 1800 MHz bands while those in Canada and the United States use 850 MHz AND 1900 MHz bands. Some countries like Scandinavia use 400 and 450 MHz bands, which are rarer.

Advantages of GSM:

  • In GSM phones, signaling and speech channels are digital, providing good quality.
  • GSM phones also help its users to use their phones in different parts of the world as it facilitates networking between different mobile phone operators. So they don’t have to switch to different phones to switch to a different mobile phone operator if they are in a different city, state or country.
  • GSM phones are advantageous to the network operators as well as they have the option to choose from many vendors implementing the technology.
  • GSM also provides the facility of an Emergency Telephone Number 112, which can be used worldwide and makes it easier for frequent travelers to contact emergency services even if they don’t know the local emergency number.

Subscriber Identity Module (SIM) card, a detachable card which stores information relating to users’ subscription and phonebook, is one of the important features of GSM-enabled cell phones. SIM enables the user to retain his phonebook related information even after he changes his handset. Also, a user can switch to a different mobile operator while retaining his handset by changing the SIM card.

Some operators lock the mobiles, allowing the user to only use a single SIM card or the SIM issued by them. The practice, known as SIM locking, is prevalent in Australia, Canada, Europe and the United States. However, a subscriber can request the mobile operator to remove the lock by paying fees or unlock the handsets themselves by using software and websites on the internet. On the other hand, in countries like Belgium, Costa Rica, India, Indonesia, Pakistan and Malaysia, mobiles are not locked.

As far as security part of the GSM is concerned, it provides confidentiality and authentication but limited authorization capabilities and non-repudiation.

Code Division Multiple Access or CDMA:

CDMA has been designed by Qualcomm in the United States. It is a dominant network standard in North America and parts of Asia.

Like GSM’s SIM card which enables the user to switch to a different carrier or a cell phone, CDMA has an R-UIM card but that is only available in parts of Asia. In the United States, CDMA cell phones are linked to one carrier only and in order to switch to a different carrier, one has to deactivate the old phone, rendering the old phone useless.

Advantages of CDMA

CDMA-enabled cell phones are faster than GSM-enabled phones though both claim to be operating on third-generation technologies. CDMA’s EVDO claims to have the speed of about 2 megabits per second though some reports give the figure as 300-700 kilobits per second (kbps). On the other hand, GSM’s EDGE claims to have the speed of up to 384 kbps while the reports suggest it to be around 70-140 kbps.

Disadvantages of CDMA

  • As far as coverage of rural areas is concerned, CDMA networks fare poorer than GSM carriers. Though they may seek help from GSM network for increasing the coverage in rural areas, it will cost comparatively more to the user when compared to GSM carriers.
  • CDMA phones may take a beating in international roaming too, especially if it is not R-UIM card-enabled. Unlike GSM phones which can be used while going abroad by using a new SIM card, CDMA phones do not gives its users this kind of facility. However, you may benefit if the country you are going to has CDMA network.

Though both the GSM and CDMA phones have their advantages and disadvantages, GSM seems to be the popular among the two as its network is spread far and wide.

Mobile Operating System

Slim, sleek, trendy! That’s what buyers usually look for while shopping for a smartphone. But, nowadays buyers are also concerned about what runs and powers their device.

Mobile manufacturers are constantly improving their mobile operating system and are competing with each other to capture a good market share. Earlier, all the mobile operating systems were proprietary and closed-like Nokia, Symbian; Apple, iOS, Microsoft, Windows; and BlackBerry’s, BlackBerry OS. But, Google changed the entire scenario when it launched its Android mobile operating system. It’s based on Linux and is open source.

Symbian OS: One of the oldest mobile operating system from Nokia. Symbian S60 and S40 are its two variants. One of the reasons for Symbian OS downfall in market share is the operating systems new release time to market.

BlackBerry OS: In the age of touchscreen, BlackBerry still supports QWERTY keypad which is liked by businessmen and executives. The latest BlackBerry OS is BlackBerry10.

Android: It is the new kid in the block and has captured a large market share in a very short span of time. The latest Android OS available in mobile devices is KitKat 4.4

iOS: Users’ love it because its friendly and has got an apps store with more than 900,000+ apps. The latest iOS available is iOS7.1.

Windows OS: The latest Windows OS available is Windows Phone 8 (update 3).

Other mobile operating systems that are emerging: Sailfish OS, Jolla Ltd; Firefox OS, Mozilla; Ubuntu Touch OS, Canonical; and Tizen from Linux Foundation, Tizen Association, Samsung, and Intel.


iOS is a proprietary mobile operating system from Apple first launched in June 2007. It is found in Apple devices, such as: iPhone, iPod Touch, iPad, iPad Mini, and the second generation Apple TV. The latest stable version is iOS 7.1 released on March 10, 2014. Platforms supported by iOS are 32- and 64-bit ARM architectures, Apple A4, Apple A5, Apple A5X, Apple A6, Apple A6X, and Apple A7. Like other operating system, iOS supports 34 languages.

Features of iOS

Control center: The control center gives easy access to various functions that a user needs to use on a daily basis. Features such as turning on the WiFi, Bluetooth, screen orientation, adjusting brightness, etc all are just a swipe away.  

Notification center: The notification center helps user keep track of multiple things in one window. It notifies the user emails received, missed calls, to-dos, a friend’s upcoming birthday, weather report and many more.

Airdrop: Airdrop allows users to transfer file from one iPhone to another using either WiFi or Bluetooth. Users can share pictures or video to multiple users at one go.

Camera: Just with a swipe, users can take still images, record video, take panorama pics, and now square — front and centre. The camera interfaces allows user to choose from a list of filters that they can apply to the captured pictures.

Apart from the above mentioned features the latest iOS has improved multitasking. Photos software that allows users to do a lot of cool stuff, users can share pictures using the iCloud photo sharing application and it also has a improved web browser—Safari. Know more:

Windows Phone

Microsoft, well known for its Windows operating system for PC entered the mobile market in October 2010. Its Windows Phone is a proprietary mobile operating system that was initially released in Oct 21, 2010 in Europe and PAL region; followed by North America in November 2010. The latest update from Microsoft is Windows Phone 8.1 that was released on April 2, 2014. The Windows Phone supports Qualcomm Snapdragon processor which is based on ARMv7 architecture.


Below are some of the cool features of Windows Phone:

  • Offers tiles view at the home screen that allows the user to keep track of everything in one view. Moreover, the tiles are Live and they keep the user updated on what’s happening.
  • The lock screen of the Windows Phone can be customized as per the users’ needs—it can show upcoming appointments, new calls or texts and many more.
  • Supports Parental control—kids can only use the features that the user has provided access to.

Apart from these features, it also comes with various apps like Skype, Internet Explorer10, Maps, Local Scout, Xbox music, People Hub and many more.

On Feb 11, 2011 Microsoft announced their partnership with Nokia. The first Nokia phone to support Windows Phone was Lumia 800 and Lumia 710. The 2014 Mobile World Congress, Microsoft announced that Windows Phone 8.1 devices will be manufactured by HTC, Lenovo, Noika, LG and many others. 

To learn more about Windows Phone visit:


Android a Linux based mobile operating system owned by Google-but not Google’s brainchild-was devised way back in 2003 by Andy Rubin and Rich Miner running Android .Inc.  Android is open source since October 2008 and is distributed with the Apache 2.0 license. Android updates are named after desserts-Cupcake 1.5, Donut 1.6, Éclair 2.0/2.1, Froyo 2.2, Gingerbread 2.3, Honeycomb 3.0, Ice Cream Sandwich 4.0, Jelly Bean 4.1, and the latest being KitKat 4.4.

Because of the open nature, there are a lot of benefits-customization and apps choices are the most obvious. It has an apps store, Google Play, which has more then 900,000+ apps-a lot for any user to choose from. Android also provide emulator: users' who want to try games and apps or do not have Android device can install the emulator and try. Developers can use the emulator to write and test their applications.

An often overlooked and debatable question is Android OS security. But, developing in the open anyone has access to the code and they can verify it’s trustworthy or discover areas where it can be improved.

From inception till 2013 Android has captured around 79% of the mobile market share.


BlackBerry OS developed by BlackBerry limited is proprietary mobile operating system. Preferred by users’ who are always on the move! They love the physical keyboard, specialized input devices-the trackwheel, trackball, the trackpad and touchscreen, and the native support for push internet email. The push internet email is carried out with BlackBerry Enterprise Server which has versions of Microsoft Exchange, Lotus Domino, or Novell GroupWise.

BlackBerry provides apps to its users through BlackBerry World (BBW). Users can download the BlackBerry World app for free. To ensure the device supports BBW it must have BlackBerry Device Software v5.0 or higher and a trackpad, trackball, or touch screen. For instant messaging and videotelephony BlackBerry provides a proprietary Internet based application called the BlackBerry Messenger (BBM) which allows messaging between BlackBerry devices.

The BlackBerry OS 7.1 or earlier can be found in BlackBerry Curve, BlackBerry Bold, BlackBerry Peral, and BlackBerry Torch series. BlackBerry OS was disconnected with the release of BlackBerry 10, but BlackBerry still supports the BlackBerry OS. BlackBerry Z30, BlackBerry Q10, BlackBerry Q5-are few devices that run BlackBerry 10.  

To know more about BlackBerry devices and operating system, click on the below links:

BlackBerry Communities:
BlackBerry Blog:

Firefox OS

Firefox OS is a new Linux based mobile operating system from Mozilla. The Firefox OS is targeted for smartphones and tablets, but in future it will be used in smart TVs too. Firefox OS was publically demonstrated on Feb 2012 followed by its initial release on April 2013.  The latest stable version available-Firefox OS 1.2.0 released in Dec 2013 and licensed under Mozilla Public License. Firefox OS support ARM and x86 platforms. The devices that run Firefox OS are: Alcatel One Touch Fire, LG Fireweb, and ZTE Open.


Firefox OS aims to replace feature phones in emerging market with HTML5 phones. The phones are based on Firefox engine Gecko. Like any other smartphone OS, Firefox OS supports-social apps, capture photo on the go, listen to your favorite music, maps, messenger, marketplace, and many more.


For developers Firefox OS 1.1 Simulator is the best place to test their developed apps. The simulator is present for cross platforms-Windows, Linux, and Mac OS. Developers can download the simulator from here:

Want to developers apps? Visit:

For additional information on Firefox Marketplace visit

Sailfish Os

Jolla Ltd, a Finnish company, is the developer of Sailfish mobile operating system. Its Linux based operating system and initially targeted for the mobile devices. In the future, Sailfish OS will be used in many other consumer devices-smart television, tablets, netbooks, cameras, household devices, automobile, etc. The Sailfish OS versions are named after Finnish lake: initial release being Kaajanlampi followed by Laadunjärvi, Maadajävri, Naamankajärvi, and the latest is Ohijarvi (version The latest stable version of Sailfish OS was released on March 2014.


In Sept 2013, Jolla declared that their Sailfish OS is compatible with the hardware that is running Android. Also, Sailfish OS will support apps that were originally developed for Android and MeeGo. Jolla launched its first handset in Nov 2013 which had a 4.5 inch display, a 1.4GHz dual-core Qualcomm Snapdragon processor with 1GB of RAM. It also featured an 8-megapixel autofocus rear camera alongside an LED flash and a 2-megapixel front-facing camera.


It provides its developers Software Development Kit (SDK) to develop applications. The SDK are available for Windows, Linux 32- and 64-bit, and Mac OS X.  More information on the SDK can be found:

Several devices from running Sailfish OS were showcased in Mobile World Conference 2014. 


Symbian is one of the oldest mobile operating available till date. It was originally developed and maintained by Symbian Ltd.-later owned by Nokia and now the software development work is outsourced to Accenture. It was specially designed for ARM processor, but it also supports x86 architecture. Earlier users of Symbian were Samsung, Motorola, and mostly Nokia.

One of the key design features of the Symbian operating system is to demand less on batteries-hence users could go without charging there handsets for atleast 2-3 days. Other features of Symbian are: multitasking, which allowed phone calls and messaging work together; object oriented software architecture; memory management optimized for embedded environment; security mechanism, enabling secure communications and safe data storage, and many more.

The first open Symbian OS was launched in June 2001 and was made available to the consumers with Nokia 9210 communicator. Symbian rose to fame with its S60 OS. The models that were shipped with different editions of Symbian S60 OS were: Nokia 3600, Nokia 3620, Nokia 6600, Nokia 7619, Nokia 6682, Nokia N70, Nokia N90, Nokia E series, Nokia 5320 XpressMusic, etc.

Nowadays, Symbian is not used in high-end smartphones as Nokia has shifted to Windows OS.


Tizen is a Linux based open source mobile operating system and it has evolved from the Meego framework. The Tizen project resides in the Linux Foundation and is governed by a Technical Steering group (TSG) composed of Intel and Samsung. The targeted device categories are: smartphones, tablets, netbooks, in-vehicle infotainment devices, and smart TVs.

Tizen provides a robust and flexible environment for application developers, based on HTML 5.0. Everything newly developed by Tizen has been open sourced under Apache 2.0 license. It also has an operating system for Automotive, called Tizen IVI. Applications based on Qt, GTK+, and EFL frameworks can run on it. Tizen provides its developers Software Development Kit (SDK) to develop applications. Tizen SDK runs on Windows, Ubuntu, and Mac OS X; supports ARM and x86 architecture.

 More details on SDK version and OS versions can be found here:

Several prototypes devices from Samsung running Tizen were showcased in Mobile World Conference 2014. The Tizen OS seems promising with lots of new feature and is surely going to be a tough competition to Android. It is anticipated that later this year Samsung will launch two Tizen based smartphones-Redwood and Melius-targeting the high end and mid range mobile market segment. 

Ubuntu Touch Os

Canonical Ltd. creator of Ubuntu operating system for desktop had launched Ubuntu Touch 1.0 OS for mobile devices in Oct 2013. Ubuntu touch is designed for smartphones and tablets. But, in future it will also support GPS smartnav and In-vehicle infotainment. The platforms that it supports are ARM and x86 architecture. It also supports multiple languages.

Some of the features of Ubuntu touch OS are:

  • Can be easily ported to Android devices
  • All the four corners of the screen are utilized for controls. Users can swipe fingers at the left edge to launch all their favourite apps, swipe right edge corner for multitasking options, top edge does more than status notification. Users can toggle actions right at the status bar for various actions.
  • Can activate a full desktop environment when connected to a monitor via  a docking system
  • Update process is very simple-whenever updates are available go to ‘Update Manager’ and click ‘Update’

Ubuntu Touch OS is similar to Unity Interface of Ubuntu Desktop interface.

Learn more about Ubuntu touch here:

Mobile Apps

An “app” also called an “Application Software” is integral part of any Smartphone. They started appearing since 1998 and today there are millions of apps available from different smartphone manufacturers.


A smartphone gets its functionalities from the various applications that come along with it. For example, Android comes with in-built applications such as Google Chrome, Calculator, Google maps, Quick Office, and many others. Similarly, Apple has its own set of apps to better the user experience.

Another reason for developing apps was to drift away from the traditional web browser interface and give the user a customized look and feel for the various devices with different form factors that are available today. Most of the newspaper today have an app for delivering content to its readers.

For Google’s Android, the app store is called Play Store; for Apple’s iOS, app store is called Apple Store; similarly, Windows Phone app store is called Windows Phone Store.


  • Well-designed applications better the user experience
  • Apps load faster as compared to Mobile Web
  • Various games are today available as apps and they are a great time killer


  • If downloaded from unreliable source, apps may contain malware
  • While installing an app, look for the options you are selecting—such as—privacy policy, etc
  • Installing too many apps can slow your phone and give you a bad user experience

Windows Mobile Phone Apps

Like any other mobile phone manufacturer, Windows has its own app store called Windows Store. Windows Store is an application store for Windows OS and it started with Windows 8 and Windows Server 2012. Windows Mobile Apps are available since Feb 29, 2012. Currently, there are 191, 087+ apps available in Windows Store.


Windows Phone comes with many features such as:

  • Cortana, a user assistance similar to the well know Siri in Apple phones
  • Photo Apps, comes with apps like Instagram and Photosynth which help users enhance their photo experience
  • Office, apps that helps users edit their documents, create presentations, maintains accounts, and do much more
  • Skype, for video chatting and voice calls
  • Xbox, allows users' to stay connected and play multiplayer games, listen to music, and watch videos.

With so many apps available, Windows Store is categorized under the following headings:

  • entertainment
  • music + video
  • tools + productivity
  • lifestyle
  • kids + family
  • news + weather
  • travel + navigation
  • health + fitness
  • photo
  • social
  • sports
  • personal finance
  • business
  • books + reference
  • education
  • government + politics


  • Apps increase the functionality of your smartphone
  • Apps gives user a better GUI experience
  • A large number of online apps are free
  • The load time of apps are better when compared to Web Interface applications


  • Installing too many apps can render performance of phone
  • Installing any third party app can include malware into your phone
  • There are many resource hungry apps which hinders performance of your phone.

Learn more about Windows Store:

Android Smart Phone Apps

Google Play Store is where users’ will find all Android apps. There are more than one million apps available on the Google Play Store. It comes pre-installed in all the Android devices. Through Google Play users’ can download applications that are developed by Google like—Google maps, Google Play Music, Google Drive, and many more. There are also third party apps that are available through Google Play Store. In order to download and install the Google apps a user must have a Google account. 


Google Play Store is classified into four broad categories—Apps, Games, Movies, and Books.  Each of these is further categorized as follows:

  • top paid, top free, top grossing, top new paid, top new free, and trending
  • movies is sub categorized as: action and adventure, animation, comedy, drama, family, and India cinema
  • the books section has lots of sub categories—biographies, business and economics, children’s books, cooking, health, history, romance, and many others

Apart from these categories, being logged into the Google Play Store through a Google account allows users to view their apps which they had downloaded in their device through ‘My apps’. In future, if a user wants to buy an app they can remember it by adding it to ‘My wishlist’.

Know more about Google Play Store:

Top 100 Android Smart Phone Apps

App Name Released Corportation Category
WhatsApp Messenger WhatsApp Inc. Free
Facebook Facebook Free
MX Player J2 Interactive Free
Facebook Messenger Facebook Free
UC Browser for Android UCWeb Inc. Free
Opera Mini browser for Android Opera Software ASA Free
360 Security - Antivirus Qihu 360 Software Co., LTD(QIHU) Free
Truecaller - Caller ID & Block truecaller Free
Subway Surfers Kiloo Free
Clean Master - Free Optimizer KS Mobile Free
Temple Jungle Run Heavenly Aura Free
Temple Run 2 Imangi Studios Free
AppLock DoMobile Lab Free
Candy Crush Saga Free
Teen Patti - Indian Poker Octro, Inc. Free
Skype - free IM & video calls Skype Free
OLX Free Classifieds OLX Inc. Free
Viber Viber Media Inc. Free
Hill Climb Racing Fingersoft Free
AntiVirus Security AVG Mobile Free
hike messenger hike limited Free
Panda Run sagego Free
WeChat Tencent Technology (Shenzhen) Company Ltd. Free
Cell Tracker AppBasic Free
PicsArt - Photo Studio PicsArt Free
LINE: Free Calls & Messages LINE Corporation Free
Tiny Flashlight + LED Nikolay Ananiev Free
My Talking Tom Outfit7 Free
Automatic Call Recorder App.liqato (Appstar Solutions) Free
UC Browser Mini for Android UCWeb Inc. Free
Dr. Driving SUD Inc. Free
Adobe Reader Adobe Systems Free
CM Security - Antivirus KS Mobile Inc. Free
MP3 Cutter & Ringtone Maker !! Android Tech Free
Mobogenie Market Free
NewsHunt : India News | eBooks Ver sé Innovation Free
Temple Run Imangi Studios Free
Mobile Security & Antivirus AVAST Software Free
Flipkart Free
Balance 3D BMM-Soft Free
Super-Bright LED Flashlight Surpax Technology Inc. Free
Talking Tom Cat 2 Free Outfit7 Free
DU Battery Saver & Widgets DU APPS STUDIO Free
Racing Moto Top Casual Games Free
Bubble Archery Innovative games Free
My Name Live Wallpaper UniqueSolutions Free
Shoot Bubble Deluxe City Games LLC Free
Quikr Free Classifieds Quikr India Free
Live Online TV 2G/3G/HD Free
Chidiya Udd PrimStudios Free
Angry Birds Rovio Mobile Ltd. Free
Photo FX Live Wallpaper androidslide Free
SpeedMoto OoO studio Free
Girls Voice Changer AppBasic Free
GO Launcher EX GO Launcher Dev Team Free
Multi Window Saumatech Free
Indian Rail Train & IRCTC Info coolapps Free
Transparent Screen PRO Creative App Studios Free
MX Player Codec (ARMv6 VFP) J2 Interactive Free
DU Speed Booster (Cleaner) DU Apps Free
ICC T20 2014.IndiTV Sports NGPatel Free
Cricbuzz Cricket Scores & News Free
Smash Hit Mediocre Free
PhotoFunia Capsule Digital Free
MP3 Video Converter Springwalk Free
Instagram Instagram Free
Oxford Dictionary of English T Mobile Systems, Inc. Free
Pixlr Express - photo editing Autodesk Inc. Free
BookMyShow–Movie Tickets,Plays Bigtree Entertainment Pvt. Ltd. Free
VLC for Android Beta VideoLabs Free
Talking Baby iim mobile Free
ES File Explorer File Manager ES APP Group Free
Fast Racing 3D Doodle Mobile Ltd. Free
Twitter Twitter, Inc. Free
Battery Doctor (Battery Saver) KS Mobile Free
Fruit Ninja Free Halfbrick Studios Free
Traffic Car Racer 1 Knights Dragons Battle Free
Mobile, DTH Recharge &Shopping Paytm Free
IPL Cricket Fever 2013 Indiagames Ltd. Free
State Bank Freedom State Bank of India Free
Talking Tom Cat Free Outfit7 Free
Hay Day Supercell Free
m-Indicator - Mumbai Mobond Free
Car Key ArchSoft Free
nexGTv - Mobile TV Live TV DigiVive Services Pvt. Ltd. Free
Water Racing Timuz Free
Farm Heroes Saga Free
Snapdeal Mobile Shopping Snapdeal Development Center Free
My name live wallpaper AppBasic Free
World T20 Cricket 2014 East Innovations Software Technologies Pvt Ltd Free
Photo Mania Sky Surfers Free
WhatsApp Wallpaper WhatsApp Inc. Free
Pay Bills, Recharge & Transfer Airtel Money Free
Speed Racing Italy Games Free
µTorrent® - Torrent App BitTorrent, Inc. Free
CamScanner -Phone PDF Creator IntSig Information Co.,Ltd Free
Mobile Number Locator SriApps Free
Bottle Shoot Droid Hermes Free
Photo Editor by Aviary Aviary, Inc. Free
Chess Free AI Factory Limited Free

Ios Mobile Apps

Be it Google’s Android, Microsoft’s Mobile Phone or Apple’s iOS all have their App Store. The app store contains thousands of application, both paid as well as free. The iOS app store contains 700, 000+ applications both paid and free. The latest version of Apple Store is 2.9.2. It contains applications that are developed by Apple as well as third party developers.

Features and applications

The iOS apps are designed to take full advantages of the hardware. Below is a list of some cool apps available in iPhone:

  • The in-built camera software allows users to take good quality images even in low light, click panorama images, and apply various filters to images.
  • Siri on the iPhone takes commands from the users and provides them with appropriate solutions—takes dictation, send messages, and many more.
  • FaceTime app allows users to make videos or audio files. It can be used to make voice calls over WiFi to another iPhone.
  • GarageBand app lets users make their own music. Using it users can record, edit, and mix up to 32 tracks.

With so many apps available, Apple Store is categorized under the following headings:

  • Business
  • Education
  • Entertainment
  • Family and Kids
  • Finance
  • Food and drink
  • Games
  • Health and Business
  • Lifestyle
  • Music
  • News
  • Photo and Video

Learn more about Apple Store: