HOW TO ACTIVATE 3G ON 2G AIRTEL SIM

TIP: How to Activate Airtel 3G through SMS on 2G SIM

If you have a airtel connection but it never works in 3G mode even if your phone supports it then it means you need to activate 3G services on your phone. It is easy and mostly its matter of few minutes.
Simply method is sending an sms and you will receive confirmation and few hours, your 2G SIM will start receiving 3G signals or simply will work on 3G mode too.

Step 1 :
Send following SMS :

Code:

3G

to 121.
Step 2 :
You will receive following SMS from airtel :

Code:

Thank you for your request for 3G activation. To enjoy fast internet acess, the handset needs to be 3G compatible. you will be charged @ 10p/10KB. In case you already subscribed to 2G data pack, then will be deactivated. Please reply 1 to confirm

So, you are required to reply 1 to this SMS.
Once you reply above SMS ie. give confirmation, you will receive SMS saying:

Code:

Thank you for your request, 3G servies will be activated in within 4 hours. You will receive a confirmation sms on activation of the services.

Generally in few minutes you will receive following message as final confirmation :

Code:

3G servcies have been activated on your mobile. If you wish to change 3G bill plan, SMS 3G to 121

So, now you are ready to make 3G call video call, use 3G interent . Set your phone in 3G mode and it should start receiving 3G signals.