If your iPhone Keeps Disconnecting from WiFi, you will have a hard time browsing, texting or getting anything else done on your device.
iPhone Keeps Disconnecting from WiFi
While users have reported the issue of WiFi Disconnecting from WiFi Network after an iOS update, this problem can occur at any other time due to Network related problems and other reasons.
You should be able to fix this problem using troubleshooting steps as provided below.
1. Enable Auto Join
Make sure the Auto Join feature is enabled on your device by going to Settings > WiFi > tap on your WiFi Network > On the next screen, move the toggle next to Auto-Join to ON position.
2. Enable/Disable Airplane Mode
This method resets WiFi/Cellular Networks, which should help in fixing the WiFi connectivity problems on your device.
Open Settings > Enable Airplane Mode by moving the toggle to ON position.
After 30 seconds, disable Airplane Mode by moving the toggle to OFF position.
3. Power Flush Modem/Router
In many cases, the problem can be fixed by switching OFF Modem/Router for a brief period of time and turning it back ON again.
Switch OFF the Power Supply to Modem/Router – Use the ON/OFF button (if available) or unplug the power cable from wall socket.
Wait for 60 seconds and switch ON the Power Supply to Modem/Router.
4. Forget WiFi Network and Rejoin
Note down your WiFi Network Password and follow the steps below to Forget WiFi Network and rejoin the Network.
Go to Settings > WiFi > select your WiFi network > On the next screen, tap on Forget This Network option.
On the confirmation pop-up, tap on Forget to confirm. After 60 seconds, rejoin WiFi Network by entering the Password for your WiFi Network.
5. Reset Network Settings
Note down the Password for your WiFi Network and follow the steps below to Reset Network Settings on your iPhone.
Go to Settings > General > Transfer or Reset iPhone > Reset > on the pop-up, select Reset Network Settings option.
On the conformation pop-up, select the Reset option to confirm.
6. Turn OFF WiFi Assist
The WiFi connectivity problem on your iPhone might be due to the WiFi Assist feature trying to switch your device from WiFi to Cellular Network.
Go to Settings > Cellular > disable Wi-Fi Assist by moving the toggle to OFF position.
7. Disable VPN
If you are using VPN, disable VPN service on your device and see if this helps in fixing the issue.
Go to Settings > General > VPN > move the toggle next to Status to OFF position.
8. Switch to Google DNS
Switching to Google DNS can help, if the problem is due to the DNS server of your Internet Service Provider being busy or going through problems.
To use Google DNS, you can refer to this guide: How to Use Google DNS On iPhone and iPad