Samsung SGH-T719: Connecting to internet

Hello all I have a Samsung SGH-T719 (T Mobile, UK) which I have taken to India with me.
I am trying to connect it to the internet with Airtel. he Airtel SIM works fine for all normal call and text functions. I have received Internet settings from the provider, but have been unable to enter them manually. I've scrolled through all the menus on the phone, but can't work out how to enter the settings manually.
If anyone can help me with how to do this, I'd greatly appreciate it.

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Did you change the APN settings to this...?


Data APN: airtelgprs.com
Access number: *99***1#
Username: blank
Password: blank
Authentication type: normal
Proxyisable
Proxy address: 0.0.0.0
Port: 8080
Data Bearer: GPRS or PACKET DATA
DNS1: 0.0.0.0
DNS2: 0.0.0.0