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The number #1 reason that you need this app
This is the only application in App Store that can temporarily change the DNS or Proxy Server setting for your cellular network.
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NetInfo is an iPhone Application to show the current active networking interface information such as IP address, DNS Server and Proxy Server for Wifi and cellular network.
This network information can be sent by email to other helpers.
It can also temporarily change the DNS and proxy server in the Settings Menu. Please refer to the Developer Support WebSite for the instructions to perform the ad hoc change. The ad hoc change works best with 3G data network.
If you dont understand what this app does, dont make any purchase.