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Q: Wifi Connectivity issue on iPhone 5s (iOS v9.3.5)

I have been using the iPhone 5s for almost more than 2 years now with no issues being faced. But yesterday just before updating to iOS 9.3.5. I started facing a problem with the Wifi on my phone. The problem started by my phone warming up and freezing, I noticed that my Wifi has been disconnected from the hotspot and it would not detect the hotspot back again while trying to re-connect. After some attempts of trying to re-connect, the Wifi button got greyed out. I tried to re-boot my phone and also reset my network settings several times but it did not work. After that, I updated my iOS version to 9.3.5 and then the Wifi button came back on and also I could connect to my hotspot, but after some time the Wifi connection drops and it does not detect my hotspot. To resolve this issue I have to reset my network settings all over again and the Wifi starts working fine. Since morning, I have faced this issue twice and had to reset my network settings twice to resolve the issue.

iPhone 5s, iOS 9.3.5

Posted on Aug 27, 2016 11:45 PM

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Q: Wifi Connectivity issue on iPhone 5s (iOS v9.3.5)

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  • by Briansyddall,

    Briansyddall Briansyddall Aug 28, 2016 5:16 AM in response to aaquib15
    Level 6 (8,640 points)
    Apple Watch
    Aug 28, 2016 5:16 AM in response to aaquib15

    Hi

    Contact apple.support or make an appointment at apple store .

    Cheers

    Brian

  • by elcpu,

    elcpu elcpu Aug 28, 2016 6:25 AM in response to aaquib15
    Level 6 (16,186 points)
    Photos for Mac
    Aug 28, 2016 6:25 AM in response to aaquib15

    If your Wi-Fi is still getting grayed out try this. Otherwise see the User Tip below:

    If Wi-Fi is grayed out or dim on your iPhone, iPad, or iPod touch - Apple Support

     

    This is a User Tip about Wi-Fi issues. Suggest starting from the top and working down.

    1) Restart you device.

    2) Reset Network Settings:  Settings > General > Reset > Reset Network Settings. Rejoin the Network again.

    3) Reboot Router/Modem:  Unplug from power for 2 minutes and plug again. Update Router Firmware (check manufacturer’s support website for a newer FW). Also try different bands (2.4 GHz and 5 GHz) and different bandwidths (20 MHz recommended for the 2.4 band). Channels 1, 6 or 11 are recommended for the 2.4 band.

    4) Change to Google's DNS:  Settings > Wi-Fi > Click on the Network, Delete all numbers under DNS and enter 8.8.8.8 or alternatively 8.8.4.4

    5) Disable device prioritization on the router if this feature is available. Also disable any VPN apps and test Wi-Fi again.

    6) Determine if other Wi-Fi devices on network are working well (other iOS devices, Macs, PCs).

    7) Try device at another Network, i.e., neighbors’, public coffee house, etc.

    8) Backup and Restore the Device using iTunes. Try restoring as New first and testing it. If ok try restoring the backup (the backup could be corrupted).

    https://support.apple.com/en-us/HT201252

    9) Go to an Apple store for hardware evaluation. The Wi-Fi chip or the antenna could be defective.

     

    User Tip:  https://discussions.apple.com/docs/DOC-9892