Apple users find it very convenient for mobile browsing. Last year, Google said it received more traffic from iPhones on Christmas than from any other mobile device in the US. iPhones account for only about 2 per cent of the smartphone market and less than 1 per cent of the overall mobile phone market in the US. That means that iPhone owners may be less in number but those who do possess the device use it for surfing Internet much more than those with competing handsets.

What is iPhone

Wafer thin and wide-screened, iPhone is a highly consumer-friendly smartphone by Apple. It uses multiple taps and drags to navigate the mobile version of

Apple's operating system. So far, 5 million iphones have been sold worldwide.

Price in the US market

In the US markets, AT&T locks in consumers with attractive deals starting at $400. In Germany, T Mobile prices kick in at $150.

Price in India

In the grey market at Rs 23,000. Vodaphone is expected to launch it in the Rs 28,000-30,000 price band.

Apple's strategy

Apple ties up with only one operator, generally the biggest, in a country. In the US, it is AT&T. In India, it has tied up with Vodafone.

How is it available in the grey market?

In India, grey market operators break its code. It can then be used in any network. However, in such cases, feature upgrades are not available.