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How to fix Samsung Galaxy S8 that keeps disconnecting from WiFi network (easy steps)

ByHarold Hisona
  • Learn how to fix the problem on your Samsung Galaxy S8 wherein it can’t establish proper connection with the WiFi hotspot.
  • Also learn how to troubleshoot your device in case our solution fails to fix the problem.

Some of the owners of the Samsung Galaxy S8 emailed us regarding the problem with WiFi. According to some, the problem started after an update not too long ago wherein their phones intermittently disconnect from the WiFi network they’re connected to. The disconnection happens randomly and may last from a few seconds to a minute. It may not sound as serious as when you totally lose internet connectivity but imagine how troublesome it would be if the problem occurs just before you send an important email to someone.

A high-end phone like the Galaxy S8 shouldn’t have a problem with its WiFi connection and since this issue keeps on happening, we have to address. We know just a solution for this problem but there’s no guarantee we can fix everybody’s WiFi problem because every issue is unique. If the problem with your phone started after you dropped it on a hard surface or water, then it’s more of a physical and/or liquid damage and only a technician who can dissect your phone can help you with it.

If you’re one of the owners of the Galaxy S8 that’s currently suffering from intermittent WiFi connection problem, then this article may be able to help you fix it. So continue reading as I will share with you the solution that I’m confident will help you provided the problem started out of the blue without apparent reason or cause. Or even connectivity issues that manifested after an update can be fixed by the solution below.

Should you have other issues with your phone, feel free to visit our Galaxy S8 troubleshooting page for we have already addressed a lot of problems before and odds are that there could already be issues that are similar with yours. If you need further assistance, fill up our Android issues questionnaire and hit submit to contact us.

Quick fix for Galaxy S8 that keeps dropping its WiFi connection

As long as there’s no significant event that could have led to this problem, like possible physical and/or liquid damage, you can fix this problem by following a very simple procedure that has a great effect on your phone’s wireless connectivity. The procedure is a bit general as it covers both Wi-Fi, mobile data, Bluetooth, etc. but it’s very effective in dealing with this kind of issues. What you have to do is basically reset all network settings in your phone and this is how you do it:

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  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > General Management > Reset > Reset network settings.
  3. Tap Reset settings.
  4. If you have set up a PIN, enter it.
  5. Tap Reset settings. Once complete a confirmation window will appear.

This will reset all data connections back to the out of the box factory defaults and the following changes will occur:

  • Stored Wi-Fi networks will be deleted.
  • Paired Bluetooth devices will be deleted.
  • Background data sync settings will be turned on.
  • Data restrictive settings in applications that were manually turned on/off by the customer will be reset to the default setting.
  • Network selection mode will be set to automatic.

The following network connection status will be brought back to their defaults as well:

  • Airplane mode: OFF
  • Bluetooth: OFF
  • Data roaming: OFF
  • Mobile hotspot: OFF
  • VPN: OFF
  • Mobile data: ON
  • Wi-Fi: OFF

After doing this, you have to get your phone to scan, detect and connect to the Wi-Fi hotspot you used to connect and you can do that by turning on the Wi-Fi switch in your phone. However, if the problem continues after this, there’s another procedure you could try but it’s effect is more on the firmware than radio functions of your device. Nevertheless, it’s effective in dealing almost every software related concerns.

  1. From a Home screen, swipe up or down from the center of the display to access the apps screen.
  2. Navigate: Settings Settings icon > Backup and reset.
  3. From the Reset section, tap Reset settings.
  4. Review the info then tap RESET SETTINGS.
  5. If presented, enter the current PIN, password, or pattern.
  6. To confirm, review the info then tap RESET SETTINGS.

What this does is reset your phone to its default settings but unlike the Master reset, your files and data will remain intact, even your apps and messages will never be touched. So, it’s effective and safe for both your files and phone. If the problem continues to manifest after this, then it’s not as minor as we think it is. You need to do some troubleshooting procedures to get the problem sorted out. Continue reading below as I drafted a short troubleshooting guide for your follow in a bid to fix this problem.

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Troubleshooting Galaxy S8 that keeps disconnecting from WiFi network

Troubleshooting WiFi related issues will include rebooting your router and/or modem or any other network device you have. If you’re not comfortable with it, you better ask your friend who are techie enough to handle such tasks. For those who are willing to do some troubleshooting, read on…

Run your Galaxy S8 in Safe mode to know if the problem still occurs

Try to find out if the problem occurs in safe mode because if not, the next thing you should do is track down the apps that’s preventing your phone from connecting to the WiFi hotspot properly and uninstall them. Here’s how to start the phone in safe mode:

  1. Turn the device off.
  2. Press and hold the Power key past the model name screen.
  3. When “SAMSUNG” appears on the screen, release the Power key.
  4. Immediately after releasing the Power key, press and hold the Volume down key.
  5. Continue to hold the Volume down key until the device finishes restarting.
  6. Safe mode will display in the bottom left corner of the screen.
  7. Release the Volume down key when you see Safe Mode.

And this is how to uninstall an app from your device:

  1. From the Home screen, swipe up on an empty spot to open the Apps tray.
  2. Tap Settings > Apps.
  3. Tap the desired application in the default list or tap 3 dots icon > Show system apps to display preinstalled apps.
  4. Tap the desired application.
  5. Tap Uninstall.
  6. Tap Uninstall again to confirm.

Reboot your network equipment

You’ve already refreshed all wireless connections in  your phone when you reset network settings but since the problem is still happening, it’s time to refresh the connection again but this time you do it from your network devices. Unplug your router, modem, network switch, signal repeater and anything that helps provide you with internet connectivity. After the reboot, try to see if the problem still occurs and if it still does, then move on to the next method.

Wipe cache partition

Every function and feature in your device has its own cache that’s created by the firmware. These files become obsolete or get corrupted over time and when it happens, things like this may happen. So, delete all the system caches so that they will be replaced with new ones. Don’t worry, none of your files and data will be deleted when you do this:

  1. Turn off the device.
  2. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  3. When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  4. Press the Volume down key several times to highlight ‘wipe cache partition’.
  5. Press Power button to select.
  6. Press the Volume down key until ‘yes’ is highlighted and press the Power button.
  7. When the wipe cache partition is complete, “Reboot system now” is highlighted.
  8. Press the Power key to restart the device.

If the problem continues after this, then you have no other choice but to do the Master reset.

Perform the Master Reset

Prior to the reset, make sure you backup all your important files and data as they will be deleted. After you’ve made a backup of your files and data, disable the factory reset protection by removing your Google account from your phone so that you won’t be locked out after the reset. Once everything is set and ready, follow these steps to reset your device:

  1. Back up data on the internal memory. If you have signed into a Google account on the device, you have activated Anti-theft and will need your Google credentials to finish the Master reset.
  2. Turn off the device.
  3. Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  4. When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  5. Press the Volume down key several times to highlight “wipe data / factory reset.
  6. Press Power button to select.
  7. Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  8. Press Power button to select and start the master reset.
  9. When the master reset is complete, “Reboot system now” is highlighted.
  10. Press the Power key to restart the device.

If the problem continues after this, it’s probably and issue with the hardware so you have to bring it to the service center so the tech can check it for you. If you have other concerns you want to share with us, then feel free to contact us any time.

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