3G Services in India are now become cheaper and faster nowdays.All network provide less costly tariff plans to their customers to access 3G on mobile or PC.

So to use 3G service there are two things you should keep in mind.
1. Your handset or datacard must have 3G faclity.
2. Your Sim card (Any network) have must activated 3G services.

Here I am giving you complete list of All network on which you can enable 3G service easily by just sending a SMS.

1.Airtel 3G:-

For Airtel, Just Send a Message, SMS 3G to 121, Then wait for confirmation message & then choose UMTS mode to use 3G service.

2. Vodafone 3G:-

For Vodafone, Just  Send a Message , SMS ACT3G to 111 OR 3GLIFE, Then wait for confirmation message & then choose UMTS mode to use 3G service.

3. TATA DOCOMO 3G:-

For Docomo Just send a Message SMS ACT3G to 53333 OR 3GLIFE TO 53333, Then wait for confirmation message & then choose UMTS mode to use 3G service.

4. Idea 3G:-

For Idea Just send a Message, SMS ACT3G to 12345 OR 3G TO 54777, Then wait for confirmation message & then choose UMTS mode to use 3G service.

5. Aircel 3G:-

For Aircel Just send a Message, SMS START 3G to 121, Then wait for confirmation message & then choose UMTS mode to use 3G service.

6. RELIANCE 3G:-

For Reliance you have to contact customer care to activate 3G services. Then wait for confirmation message & then choose UMTS mode to use 3G service.

7. BSNL 3G:-

For BSNL Just send a Message, HELP MIG to 52244,then wait for confirmation message so select migrate to 3G & then choose UMTS mode to use 3G service.