Airtel New Working Unlimited 3G Proxy Trick With Firefox Browser In Android
Method - 1
-  Download Firefox Mod From Here - Download
 -  Now Install It And Open
 -  Tap On Url Tab And Type about:config
 -  Now It Shows Some Firefox Settings
 -  Now Search network.proxy.http
 -  Now Type proxy-service.de & Put port - 80 in second box.
 -  Now Come Back To main page in Firefox & Open 125.21.246.114 in url tab & Go
 -  Now it shows Proxy page of proxy-service.de 
 -  Enter Url And Start Browsing & Downloading...
 
Method - 2
-  Create New Apn Settings
 -  Apn - airtelgprs.com
 -  Proxy - proxy-service.de
 -  port - 80
 -  Now Open 125.21.246.114 in url tab and Start Browsing & Downloading...
Change Free Homepage On Every 200mb For Unlimited Browsing & Downloading... 
Tags
Network tricks