With rapidly increasing subscriber base of 4G mobile systems almost throughout the world, there is a trend to phase out older generation technologies (like 2G and 3 G). This phasing out of older technologies is happening differently in different regions. While some operators have stopped their 2G services as early as 2008, others do not seem to be in a great hurry to do that. Countries like Japan, South Korea, Singapore and Macau have totally stopped their 2G services already. Thus, East Asia is perhaps leading the way with regard to switching-off 2G networks. On the other hand, in some European countries it is expected that 2G may even outlive 3G, UMTS systems. Is there a global time-line to be pursued by network operators for 2G switch-off?
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Great Question Sir
Even now in India when we used our new 4G sim in our old mobile phone then sometimes we are also not able to select the 2G operator (Though it is easily selected in latest smart phone). It means soon in India their may be the chance of phasing out 2G systems and old mobile software .
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