Several iPhone and iPad users have reported an issue in which Wi-Fi connection drops unexpectedly. Further users have reported their iOS devices have problems connecting to, or staying connected to Wi-Fi networks; which is causing iPhone/iPad to switch from Wi-Fi to cellular connection (3G or 4G). Please refer to the following tips to troubleshoot Wi-Fi1 issues you may experience while using your iOS devices; iPhone, iPad, or iPod touch. Test your Wi-Fi after each step before going on to the next step.
Tap Settings > Wi-Fi and turn Wi-Fi off and then on again.
Restart your iOS device
Reboot your Router
Update the Router
Tap Settings > Wi-Fi and locate the wireless your Wi-FI, and then tap the blue arrow next to the network name and then tap Forget this Network. Try to connect to your desired Wi-Fi network again.
Reset network settings by tapping Settings > General > Reset > Reset Network Settings.
Try to change your Wi-fi Channel Settings on your router.
Obsessed with tech since the early arrival of A/UX on Apple, Sudz (SK) is responsible for the editorial direction of AppleToolBox. He is based out of Los Angeles, CA.
Sudz specializes in covering all things macOS, having reviewed dozens of OS X and macOS developments over the years.
In a former life, Sudz worked helping Fortune 100 companies with their technology and business transformation aspirations.
This is not a fix, you only suggested standard troubleshooting and work arounds.
Blaming the router is not an iOS fix.
Updating router firmware, software, and channels are not an iOS fix.
Changing router settings is not an iOS fix.
Replacing the router is not an iOS fix.