New Opera 5.1.2 & 4.20 modded for Airtel

How to use OM 5.1.2 & 4.20 free :
First Create a New Connection
 Name :Opera (or) Anything
APN: airtelgprs.com
Proxy  Address : 94.246.126.253
Port: 80
Keep balance below 30 paisa.
now save the setting and use it.
It supports downloading.
Opera mini 4.20 is full screen for s60 5th (nokia 5233,5800)