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  1. #1
    iPhone 4 won't connect to Wi-Fi anymore

    Member Since
    Feb 22, 2009
    Posts
    18
    iPhone 4 won't connect to Wi-Fi anymore
    I've had my wireless network setup for the last year and haven't had any problems with my phone picking up the signal until last week. I don't believe its the router since all of my other devices still work with no problem. I've "renewed the lease" and used "forget this network" in hopes that this would resolve the problem, but still no luck. Any suggestions?
    Mac Specs: 24" iMac 2.8Ghz/4GB RAM/ 320 GB HD SuperDrive

  2. #2
    iPhone 4 won't connect to Wi-Fi anymore
    Raz0rEdge's Avatar
    Member Since
    Jul 17, 2009
    Location
    MA
    Posts
    8,189
    Specs:
    27" i7 iMac, 24" iMac, 13" Macbook Air, iPhone 5 & 5S, iPod Nano 7th Gen, iPad 2 16GB WiFi, iPad 3
    Have you tried to connect to other wireless networks with the iPhone? If those don't work either, looks like hardware failure on the antenna or related parts..
    --
    Regards
    ...Ashwin



    Be sure to read the Community Guidelines | The more information you provide, the better answers you get, remember GIGO.

  3. #3
    iPhone 4 won't connect to Wi-Fi anymore
    brendan67's Avatar
    Member Since
    Jan 24, 2005
    Posts
    691
    Specs:
    Macbook Pro 2.26 4GBRAM iPhone6
    Quote Originally Posted by jdeep82 View Post
    I've had my wireless network setup for the last year and haven't had any problems with my phone picking up the signal until last week. I don't believe its the router since all of my other devices still work with no problem. I've "renewed the lease" and used "forget this network" in hopes that this would resolve the problem, but still no luck. Any suggestions?
    Daft question, - just checking is WIFI switched on in the phone settings?
    macbook pro 4gbram
    iphone6
    ipad 16gb

  4. #4
    iPhone 4 won't connect to Wi-Fi anymore
    Raz0rEdge's Avatar
    Member Since
    Jul 17, 2009
    Location
    MA
    Posts
    8,189
    Specs:
    27" i7 iMac, 24" iMac, 13" Macbook Air, iPhone 5 & 5S, iPod Nano 7th Gen, iPad 2 16GB WiFi, iPad 3
    Very bizarre, but my iPhone 4 began doing this as well. I've been using it with my old Linksys and new Airport Express for a while and then out of the blue it stops connecting to the network.

    I have a private and guest network setup on my Airport Extreme, the iPhone 4 with the WiFi turned on will gladly find these two networks. Both the networks are secured with WPA2 Personal security and entering the correct password yields a "Incorrect password for network 'name'" for both the networks.

    My iMac, wife's Windows 7 Dell laptop & Droid 3 phone, and my iPad 2 don't have any problem getting on the private or guest networks with the right password.

    The fact that my iPhone 4 can scan and find the networks should indicate that the antenna and associated WiFi components are in enough of a working order to get connected, but it is strange that the valid password is rejected as being incorrect only on this device.

    I haven't sync'ed my iPhone for a while now so doing it now in case that clears anything up. Will also do a backup and full restore to see if that makes anything happy..

    Does anyone have any theories on this?

    UPDATE: Did some more searching on Google and YouTube videos and one of them suggested that resetting the network settings could potentially fix this, so I tried it and bingo! I have WiFi working again. So Settings->General->Reset->Reset Network Settings did the trick for me..
    --
    Regards
    ...Ashwin



    Be sure to read the Community Guidelines | The more information you provide, the better answers you get, remember GIGO.

  5. #5
    iPhone 4 won't connect to Wi-Fi anymore

    Member Since
    Jan 20, 2012
    Posts
    1
    Simple fix that worked for me
    I reset my wireless router and it works again.

    I had the same problem: for no apparent reason, one day my iphone4 could no longer connect to my home wifi, but it connected to other wifi locations fine, and other devices connected to my home wifi fine. It was just the iphone4/home wifi combination that wouldn't work. Once I reset the wireless router, it connected again.

    I hope this helps.

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