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In 1991, the second generation (2G) digital cellular technology was launched in Finland by  Radiolinja on the GSM standard,which sparked competition in the sector, as the new operators challenged the incumbent 1G network operators.

Ten years later, in 2001, the third generation (3G)was launched in Japan. This was followed by 3.5G, 3G+ or turbo 3G enhancements based on the high-speed packet access (HSPA) family, allowing to have higher data transfer speeds and capacity.

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The first commercial automated cellular network was launched in Japan by NTT in 1979. In 1981, this was followed by systems in Denmark, Finland, Norway and Sweden. Several other countries then followed in the early to mid-1980s. These first generatiion ("1G") systems could support far more simultaneous calls, but still used analog technology.

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The first hand-held cell phone was demonstrated by John F. Mitchell and Dr Martin Cooper of Motorola in 1973, using a handset weighing around 2.2 pounds (1 kg).

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From1990 to 2011, worldwide mobile phone subscriptions grew from 12.4 million to over 6 billion, penetrating about 87% of the global population and reaching the bottom of the economic pyramid.

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The advances in mobile telephony have been traced in successive generations
from the early "0G" (zeroth generation), These "0G" systems were not cellular, supported few simultaneous calls, and were very expensive

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·      The first mobile telephones were barely portable compared to today's compact hand-held devices.

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*Early predecessors of cellular phones included analog radio communications from ships and trains.

*The race to create truly portable telephone devices began after World War II, with developments taking place in many countries.

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from 0G -4G

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This one is largely responsible for changing the face of the mobile space forever. Apple’s iPhone popularised applications with millions of consumers, helped make touchscreen interfaces the norm, and broke new ground for overall design and finish.

The iPhone 3G was the sharpest tip of the mobile stick, but from here on out things would begin progressing even faster.

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A true smartphone, packed in a 332MHz Texas Instruments CPU, and feature 160MB of RAM. It also featured a decent 5-megapixel camera, Bluetooth, and Wi-Fi.

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First BlackBerry handset to feature Wi-Fi, and one of the main reasons for widespread CrackBerry addiction.

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Motorola shifted over a 130 million of its ‘fashion’ phone between the years 2004 and 2006, making it the best-selling clamshell handset in history.

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It didn’t have a built in speaker so you had to plug headphones in to make phone calls, but the BlackBerry 5810 did have email and a QWERTY keyboard.

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This was the first phone ever to use a thin-film transistor active matrix LCD display.

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The phone that all of your mates had at school – if you went to school in the mid-to-late-90s, that is. Even now, many regard the 3310 as one of the best mobile devices ever created. Some even say it’s indestructible.

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The BlackBerry 850 was the first handset released under the BlackBerry brand.

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Inspired by the communicator from Star Trek, this was the world’s first clamshell handset.

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1990 to 1995 represented an upward in design and portability, with mobile devices gradually starting to appear in the hands of average consumers for the first time. By the late-1990s, mobile devices were fast becoming the norm. The Nokia 6110 had three games (Memory, Snake and Logic), Calculator, clock and calendar, Currency converter, Profile settings and 4 colours

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Nokia’s first 'handheld' mobile phone, the Mobira Cityman 900, launched in 1989 and weighed just 800g.

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In 1983, Motorola released its first commercial mobile phone, known as the Motorola DynaTAC 8000X. The handset offered 30 minutes of talk-time, six hours standby, and could store 30 phone numbers. It also cost £2639 ($3995).

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The world’s first mobile phone call was made on April 3, 1973, when Martin Cooper, a senior engineer at Motorola, called a rival telecommunications company and informed them he was speaking via a mobile phone.

The phone Cooper used, if you could call it that, weighed a staggering 1.1kg and measured in at 228.6x127x44.4mm. With this prototype device, you got 30 minutes of talk-time and it took around 10 hours to charge.