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How to fix Galaxy S9 Wi-Fi calling issues


15-01-2020

The Samsung Galaxy S9 and Galaxy S9 + are great smartphones with impressive hardware. However, software problems continue to persist. If you're looking for ways to fix Galaxy S9 Wi-Fi calling issues, you've come to the right place. We have selected some of the most common fixes that users have already tried and it has worked well to resolve these calling issues.

See also: How to fix Samsung Galaxy S9 GPS issues

How to fix Galaxy S9 Wi-Fi call issues

Method 1: turn on Wi-Fi calls as the default method

The problem persists for many because when you enter your home, your phone automatically switches to the home network and the same goes for your office network. The device is supposed to automatically switch to 4G or Wi-Fi depending on availability. When he is not doing the same thing, you can force him not to use the cellular connection, especially if you spend little time outside a fibernet area throughout the day.

  1. Open your settings page on the Galaxy S9 phone
  2. Activate Wi-Fi connection once
  3. Tap to open your apps by dragging them from the top of your Android smartphone
  4. Find the icon and turn off the wireless connection again
  5. Go to settings and access other connection settings
  6. Open Wi-Fi Calls and choose preferred Wi-Fi
  7. If that still does not work, activate Never Use Cellular Network to activate all calls on your home or work network.

Method 2: Eject your SIM card and disable Wi-Fi calls

When you browse the web, you realize that the majority of the problems on your Samsung Galaxy S9 smartphone can be solved by performing a quick restart. To resolve this problem, you can try the same thing, but certain conditions must be met before doing so.

  1. Do not restart your phone, but turn it off and do a full restart
  2. Press and hold the power button to turn off your device
  3. Once dyed, use the SIM card ejection tool to remove the card from your phone.
  4. If you haven't done it for a long time, consider cleaning the SIM card
  5. Turn on your phone without the card and head to the settings page
  6. Please turn off Wi-Fi calls and turn off your phone
  7. Insert your SIM card and restart what should clear all the cache on your Android operating system and correct your calling problem

Method 3: Check the distance to your router to solve the problem of frequent call deletion

Being wireless is fun, but most people forget that they travel far away from the router. The devices can only work to a certain extent and if you experience frequent call loss problems during Wi-Fi calls, you are probably moving too far from the signal gate.

  1. Use another smartphone and go to the same place to check if the problem really exists with your device and not with the router
  2. Upgrade your router and it should allow you to make calls from any part of the house without signal issues
  3. If there are walls or other obstructions that continually block the signal, you probably need to move the router or move your phone to an open space to make uninterrupted calls.
  4. Check if other electronic devices such as Bluetooth headphones, computers create a problem preventing you from using your phone
  5. Download and install the updates deployed by your service provider, which may solve your problem if it has already been reported by many people.

Method 4: Restart your modem or router at home / at work

If you're continually having Wi-Fi calling issues on your Galaxy S9 smartphone, it's time to restart your modem or router. Call the ISP to check if it has encountered problems or if you are upgrading the servers. Sometimes this can cause similar problems for days or even weeks and unless you restart your device, it will not be resolved.

  1. Check if the Internet cable of your router and your modem is correctly adjusted
  2. Press the power button to turn off the device
  3. You can also remove the power cord to perform a hard reset, which often fixes most of the problems identified, and if your ISP has upgraded, it will work as expected.
  4. Press the power button again to turn it on
  5. Consider leaving the power plug removed for at least one minute before reconnecting it
  6. Be patient until all lights on the router are green and ready to go back online.

Try making a Wi-Fi call and check if the problem has been resolved.

Method 5: Erase all Wi-Fi networks saved on your Galaxy S9 phone

Whether you recently bought your smartphone or used it for a long time, it doesn't matter. How to Fix Galaxy S9 Wi-Fi Calling Problems is a problem that is best solved by any of the methods mentioned here and be sure to try them before you consider replacing your Samsung phone.

  1. Click the Settings gear icon to open the page.
  2. Scroll down to find the Connections option
  3. Open the Wi-Fi settings page
  4. A list of registered networks will be displayed on your phone
  5. Press and hold them before the forget option appears. Delete all of your saved networks

Some malicious networks that you may have added during your trip, be it a hotel room or a connection to the airport, could be the cause of this problem.

  1. Now add a new secure Wi-Fi network
  2. Go to the Settings, Connections page
  3. Open the Wi-Fi page and switch on your phone to search for all available connections.
  4. Tap More to add a new connection and it will ask for your network password
  5. Enter the password and you will be connected to the network

Method 6: Use the Reset network settings option on your Galaxy S9 smartphone

The cellular service provider will provide a large number of network settings that your device will download and store when you activate it for the first time. They provide updates, but sometimes missing files or incorrect settings. this could lead to bugs and interrupt your Wi-Fi connections. By resetting the network settings, you can finally replace the existing settings, correct the errors associated with it and see if that would help you solve the problem.

  1. Open the Settings page on your Galaxy S9 Android smartphone
  2. Press to open general management
  3. Find the option called Reset and click on it
  4. Tap Reset network settings
  5. Phone can request your fingerprint or model to authorize the request
  6. Do this and your network settings will be reset to the original settings, which could ultimately resolve your Wi-Fi issues.

Method 7: Change your cellular and Wi-Fi settings using Airplane mode

A common problem that continues to worry people is that the phone tries to switch between cellular network and Wi-Fi during a call, which results in poor call quality. You can avoid it by putting the Galaxy S9 + phone in airplane mode and connecting it only to a wireless network.

  1. Scroll down the notification bar where you will find the aircraft icon
  2. Press it to activate it and all connections will be immediately blocked
  3. Turn on Wi-Fi and let your phone connect to your home router
  4. Try to make a call and see if it works
  5. You can also ask your Internet service provider or a technical engineer to make sure that all ports on your router are open.

People who play multiplayer games know the open ports and how they affect incoming and outgoing connections. You can ask your ISP for help opening these ports or confirm it by using multiple routers to see if the problem actually exists, even with other phones, not just your smartphone.

Method 8: Turn on Wi-Fi calls for home

A Reddit user suggested that his Wi-Fi issues on the Galaxy S9 smartphone were resolved when he turned on the home network. While some users say that the option is not available on their phones, if you belong to the supported network and find the functionality, you can try it to solve this problem.

  1. Open the Settings page and head to Calling Plus
  2. Find the option that reads Wi-Fi calls
  3. Scroll to find Wi-Fi call networks and make sure your home network is on
  4. If your home network is off, you may not be able to make phone calls. This is why it is important to follow this process.

A factory reset is the last option to try if you've already done everything mentioned here and you're still having the same problem. It will delete all your data and your Galaxy S9 Plus phone will look like new. It is recommended that you back up your data and be prepared before following the procedure to reset your device and erase all data.

Knowing how to fix Galaxy S9 Wi-Fi calling issues may seem daunting, but it's only a matter of time before you find the solution that works best for you. Use the technical knowledge you have and identify if the problem persists on your phone or is caused by an external device, after which you can make a clear decision.

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