Are you using a 3G modem that has been locked and you will like to be using it with any other SIM card of other networks? Well, you can easily unlock it and turn it to a Universal 3G Modem. 
Most 3G modems including idea,airtel,vodaphone Data card are all locked to the network of their providers. This really sucks. If for example you are using IDEA modem and there is network problem, you will not be able to access the internet at all because you will not be able to use any other SIM card with ...
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