She tells about mobile data recovery services at this site. Besides the battery problem on iPhone and iPad, Wi-Fi is what many users concern because Wi-Fi is an essential thing for people to access the Internet, which is faster and more stable than 3G. Issues that relate to Wi-Fi always be discussed by many people and most of them are iOS users. Recently on the latest software update iOS 9.3.1, many users complain that their device cannot connect to the network or frequently disconnect with Wi-Fi. Therefore, in this article, we will give you some methods to help you overcome the problem does not work on iOS WiFi 9.3.1.
Restart your device
Restart your iPhone and then try to connect the device to Wi-Fi network again. To restart your device, hold the Home button and the Power button (Sleep) at the same time for over ten seconds until you see the Apple logo on the screen. 2. Restart your router Sometimes the reason for this error is not from your iPhone. You should try to reconnect by restarting the router, modem and other network devices.
Forget Wi-Fi Network
Step 1: Access Settings => Wi-Fi
Step 2: Tap on your connecting Network
Step 3: Click on Forget Wi-Fi Network
Then try to reconnect to this Wi-Fi Network.
Turn on/ Turn off Wi-Fi Assist
Wi-Fi Assist is a new feature in iOS 9. It allows devices to connect to mobile data whenever Wi-Fi connection is weak. Try turning on/off it a few times.
Step 1: Access Settings => Cellular
Step 2: Move to the end of Cellular section to find “Wi-Fi Assist”. Turn on/off it a few times.
Change the DNS setting
Try to change the DNS setting to solve the problem about speed and connection to Internet Network
Change your DNS settings can be done on your current Wi-Fi Network Settings. Open Settings and select Wi-Fi. Click on the icon of the letter i in blue color, which is beside Wi-Fi network you are connecting. This will take you to the detail Wi- Fi Settings.
Note: Changing the DNS settings only apply to the Wi-Fi connection, do not apply to the mobile data / mobile phone. Details conversation about your current Wi-Fi network will show IP address, subnet mask, router and DNS servers. The numbers next to the DNS use to customize the content of this setting
Some servers give Network maximum speeds:
Google DNS: 220.127.116.11 và 18.104.22.168
Open DNS: 22.214.171.124 và 126.96.36.199
Enter both serial number of 1 DNS and separate them with 1 commas and 1 spaces (Example: 188.8.131.52 , 184.108.40.206 ), to give iOS a primary and secondary DNS servers . This will optimize the reliability and performance.
Counteract location service for Wi-Fi Networking
Counteract location service for Wi-Fi Network to solve the problem of Wi-Fi not working on iOS 9.3.1.
Step 1: Access Settings => Privacy
Step 2: Click on Location Services => System Services
Step 3: Counteract with Wi-Fi Networking
Reset the Network
Reset network settings may help you troubleshoot problems of Wi-Fi not working on iOS 9.3.1 immediately.
Step 1: Access Settings => General
Step 2: Click on Reset, select Reset Network Settings and confirm.
- Reset all settings
If you still do not resolve the issue of Wi- Fi not working on iOS 9.3.1, you should reset all settings on your devices.
Step 1: Access Settings => General
Step 2: Click on Reset, select Reset All Settings and confirm.
9. Restore your device If the above methods cannot help you to fix the problem of Wi- Fi not work on iOS 9.3.1, the last method is to restore settings on iOS devices and return to initial setup. Please back up your device before executing this method.
Step 1: Connect your iOS device to a computer what has been installed iTunes already.
Step 2: Start iTunes and open to your device.
Step 3: Click on Restore iPhone on the Summary section.
Step 4: Click on Restore again to confirm. It will delete all data and your settings to set up the latest iOS version.
That is some methods to help you to fix the issue of Wi-Fi nit working on the iOS 9.3.1. Wish you success!