HT201559: Restart your iPhone, iPad, or iPod touch
Learn about Restart your iPhone, iPad, or iPod touch
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Helpful answers
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Sep 19, 2015 11:02 AM in response to mn454dlsby elcpu,Wi-Fi Options:
1) Upgrade to iOS 9. The Networking Routine was changed in iOS 9.
2) Perform a Forced Restart: Hold down the Home and Wake/Sleep buttons at the same time for about 15-20 seconds until the Apple logo appears. Allow device to restart.
3) Reset Network Settings: Settings > General > Reset > Reset Network Settings. Rejoin the Network again.
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) Reboot Router/Modem: Unplug from power for 2 minutes and plug again. Update Router Firmware (check manufacturer’s support website). Verify your router is Wi-Fi certified.
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) Restore the Device (ask for additional for details if desired).
https://support.apple.com/en-us/HT201252
9) Go to an Apple Store for hardware evaluation.