Has the latest iOS update messed up the cellular and Wi-Fi reception of your device? Following are some reliable solutions to successfully fix this connectivity issue. Let's get to the troubleshooting right away.
Method-1: Reset Network Settings
An easy way to fix this issue is by resetting the network settings as mentioned step by step below:
Step 1
Launch ‘Settings’ App → Click on ‘General’.
Step 2
Scroll down and tap on ‘Reset’ → Under Reset, go to ‘Reset Network Settings’.
Step 3
Enter your ‘iPhone Passcode’ and ‘Confirm’.
Now try connecting to the Wi-Fi and check if your device connectivity works fine. At the same time, also check the connectivity with the cellular network. If not, then try the below fix.
Method 2: Reboot the Device
If the above solution does not work, rebooting your device and connecting it to the network may solve the issue.
Step 1
Open ‘Settings’
Launch ‘Settings’ App → Tap on ‘Wi-Fi’.
Step 2
'Forget Network'
Tap on the ‘i’ Button next to a Wi-Fi network and then tap on ‘Forget This Network’ and ‘Confirm’.
Step 3
'Turn Off Wi-Fi'
Go back and ‘Turn Off Wi-Fi’.
Step 4
‘Reboot’ the Device
Now, reboot the device, press & hold 'Side/Top' button (until the slider appears) and then drag slider in any direction (it will completely off your device). When the device turns off, press & hold the 'Side/Top' button again until the apple logo appears.
Your device network connectivity should work fine now. But if you have done the above setting and still are facing connectivity issues, it would be wise to downgrade to iOS 11 for the time-being till there is an update to fix this issue on iOS 12.