I can't switch my wi fi connection

the connection with wi fi is not working, the minute i go to internet the screen freezes

Basic troubleshooting from the User's Guide is reset, restart, restore (first from backup then as new).  Try each of these in order until the issue is resolved.

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    Moderator's Note: We have changed the title into a subject-related title. This is to keep the forum organized and let other forum users easily see and respond to this post.

    Have you tried rebooting your phone? YOu can reboot by pressing and holding the vol down + power buttons for around 10 seconds until the phone vibrates. 
    Moderator's Note: We have changed the title into a subject-related title. This is to keep the forum organized and let other forum users easily see and respond to this post.

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    Message was edited by: Alan Schmidt

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    1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
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    Your router may not have given your iPod a valid IP address. Go to Settings > Wifi > your network name and touch the ">" to the right to see the network details. If the IP address shown starts with 169 or is blank then your router didn't provide an IP address and you won't be able to access the Internet.
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