How to activate 3G in my Lava smartphone?
A 3G powered smartphone comes with a default switching between 2G & 3G networks, but in case it does not comes that way, you can go to your settings. After that going into the networks, you can choose from GSM, GSM/WCDMA and WCDMA options. The first supports 2G whereas the last is for 3G. The middle one automatically selects the network according to the location and availability.