The problem of iPhone switching from Wi-Fi to Cellular network can prevent you browsing the internet, especially; if you are on a limited data plan and mostly relay on the Wi-Fi network.
Apart from this, the issue of iPhone switching from Wi-Fi to Cellular can prevent you from printing to wireless printer or connecting your device to Chromecast and other Wi-Fi enabled devices.
Prevent iPhone Switching from Wi-Fi to Cellular Network
The problem of iPhone switching from Wi-Fi to cellular network could be due to various reasons, ranging from Wi-Fi assist feature being enabled on your device to corrupted network settings and other reasons.
You can find below the steps to fix the problem of iPhone switching from Wi-Fi to Cellular Network.
1. Check Your Internet Connection
A common reason for iPhone switching from Wi-Fi to Cellular is due to poor Wi-Fi network connectivity.
1. Open Settings > tap on the Wi-Fi tab.
2. On the next screen, make sure iPhone is connected to your Wi-Fi network and the network strength is good.
If the Wi-Fi network strength is weak or spotty, the problem is most likely due the Wi-Fi Assist feature on your device switching your device to cellular network.
2. Turn OFF Wi-Fi Assist
Switching OFF Wi-Fi Assist feature has helped users to fix the problem of iPhone getting disconnected from Wi-Fi.
1. Go to Settings > Cellular.
2. On the next screen, move the toggle next to Wi-Fi Assist to OFF position.
After disabling Wi-Fi assist, reconnect your device to Wi-Fi network and see if Wi-Fi is now working properly on your iPhone.
3. Restart iPhone
The problem could simply be due to a stuck program or process and this ca be fixed by restarting your device.
1. Go to Settings > General > scroll all the way down and tap on Shut Down.
2. On the next screen, use the Slider to Power OFF your device.
3. Allow iPhone to completely Power OFF > Wait for 30 seconds > Restart iPhone by pressing the Power Button.
4. Switch OFF Cellular Data
You can temporarily switch OFF Cellular data and force iPhone to use Wi-Fi Network.
1. Go to Settings > Cellular.
2. On the next screen, switch off Cellular Data by moving the slider to OFF position.
This will completely rule out the possibility iPhone using Cellular Data and restrict your device to Wi-Fi network.
5. Reset Network Settings
The problem could be due to a change or corruption in Network Settings and this can be fixed by performing a network settings reset on your device.
Make sure that you know the password for your Wi-Fi Network and follow the steps below to Reset Network Settings on your iPhone to its original Factory Default Settings.
1. Go to Settings > General > Transfer or Reset iPhone > Reset.
2. On the pop-up, select Reset Network Settings option.
3. Enter your Lock Screen Password (if prompted) > On the confirmation pop-up, select the Reset option to confirm.
Once the Reset Process is completed, rejoin Wi-Fi Network by entering your Wi-Fi Network Password.