How to activate 3G in Airtel service provider
To activate 3G services all you need is a 3G mobile. This airtel 3G settings is applicable for all 3G mobile phone such as iPhone, Blackberry, Nokia etc. Now take your 3G mobile phone and SMS 3G to 121. After a short period of time you will receive a message from Airtel notifying that reply with 1 to activate 3G. Once you reply with 1 to 121, You will receive the 3G settings and save the received settings as default settings. Instead you can call 12134 to activate 3G. To deactivate 3G in your mobile send sms again as 3G to 121. If you have any quires regarding this issue with your Airtel mobile, you can check Airtel service centres Tamilnadu here.
How to activate GPRS / EDGE setting in Airtel service provider
To receive Airtel mobile office setting or GPRS in your mobile just send a SMS as MO to 2567. You will receive settings shortly. Then install your setting in your mobile. If it says your mobile doest not support GPRS then enter the Airtel Manual GPRS setting given below
Connection Name / Profile Name : Mobile Office or MO (profile name can be anything you prefer)
Access Point Name : airtelgprs.com
Home Page : http://www.google.com
Keep all other settings as such. Dont alter other settings that are predefined in your mobile. Airtel Access point APN is important. If you enter this correctly you can access the internet. Check here to know more about Airtel festival offers