iPhone 4 not connecting to wi-fi but 3GS works fine?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by james-bailey, Dec 13, 2010.

  1. james-bailey macrumors regular

    Joined:
    Nov 17, 2010
    #1
    I have both a 3GS and an iPhone 4 the household and just recently, the iPhone 4 doesnt seem to be able to browse the internet using our wifi network.

    All laptops and the 3gs connect perfectly using DHCP but the iPhone 4 seems to have issues.

    After going into Wi-Fi Networks > Clicking the network in question, then DHCP on the phones, the iPhone 4 displays a complete different set of IP & Subnet mask numbers, compared to the 3gs

    Please can anyone shed any light on why this may be happening?

    My friend who also has an iPhone 4 struggles to use our wi-fi network here

    Cheers

    James
     
  2. james-bailey thread starter macrumors regular

    Joined:
    Nov 17, 2010
  3. mikelegacy macrumors 65816

    mikelegacy

    Joined:
    Dec 5, 2010
    Location:
    Pittsburgh, PA
    #3
    could be the firewall on your router. what type of security are you using, if any? did you try manually entering your network settings? ip, dns, etc?
     
  4. james-bailey thread starter macrumors regular

    Joined:
    Nov 17, 2010
    #4
    The router is a Netgear DG8343 v4.

    Im not aware of using an security on the router to be honest.

    What I have done though, is enter the details into the iPhone 4 manually in the static IP part (using the 3GS for reference) and changing the last part of the IP Address to a random number and now its working great.

    What does this suggest now its working static but not DHCP?

    Cheers

    James
     

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