Troubleshoot Samsung Galaxy M20 SM-M205 Wi-Fi Not Working

Internet data connections become mandatory in every house. We begin to use stream services instead of the hardcopy discs. Thus, We can’t always use Mobile data. Because the cost of mobile data is still high compare with home broadband plans. Therefore whenever we are at home, we prefer to use Wi-Fi. But, When you can’t connect your Wi-Fi with your mobile, it becomes a frustration for you. So, Below are going to guide you on how you can fix your Samsung Galaxy M20 Wi-Fi issue. Some of the methods may look simple. But Most of the time, simple ways are the ones working. Other methods may require technical knowledge. But we try our best to simplify the steps. Always start with the beginning step and go one by one.
Samsung Galaxy M20 Wi-Fi Not Wokring

How to Fix Samsung Galaxy M20 SM-M205 Wi-Fi Not Working? (SM-M205F, SM-M205FN, SM-M205G, SM-M205M, SM-M205N)

Due to the cost of mobile data, We can’t always stick with it. Whenever we get free Wi-Fi, Work, or Home, We rely on Wi-Fi networks. So, When Wi-Fi is not working in our Samsung Galaxy M20, it will affect our daily usage. Below I will mention some fix methods that are always help to fix the issue. Based on the success/failure, choose the methods one by one. I assume you know there are no issues with your Wi-Fi network, and everything is right from the router side.

1. Check you are in the correct Wi-Fi network

It can happen when you have more than one Wi-Fi network in your house; sometimes, the No Internet Router connection may affect your Wi-Fi. It is better to check you are with the correct system or not.

Check Wi-Fi Connection name in Settings Samsung Galaxy M20

  • Go to Settings>Network and Internet.
  • Then Select Wi-Fi.
  • Check the Wi-Fi name of your connection.

2. Check Samsung Galaxy M20 Wi-Fi Coverage strength using Dial Pad and Settings

When you have weak coverage strength, or you have a better signal, but the transmission speed is low, then you can’t connect with your Wi-Fi. It is better to check both signal and transmission speed. Your current rate should be 50-100% of your Internet plan speed. If you have a 100Mbps plan, your connection should be at least have 50Mbps.

Check Wi-Fi Network coverage speed in Android

Samsung Galaxy S23 Renders
Samsung Galaxy S23 Renders
  • Open your Dial pad on your mobile.
  • Type “*#*#4636#*#*” or “*#*#4838#*#*.
  • You will get the Testing screen. Select “Wi-Fi Information.” and then “Wi-Fi status.”
  • Refresh stats to get the current connection details.
  • To check whether it is working or not, Open your mobile browser and check with some random pages. You can also use any apps that work with the data connection. Alternatively, you can also find strength in settings.
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Wi-Fi Transmit speed in Android Settings

  • Go to Settings>Network and Internet.
  • Then Select Wi-Fi.
  • Check the Wi-Fi name you are connected to and choose a gear icon near the Wi-Fi network.
  • Select Advanced, and you can find the transmission speed.

3. Restart Your Mobile

Power Button Options Google Pixel 2 XL

Restart method may look like simple and not related tech troubleshoot. But remember, a restart can resolve most of the electronic devices’ software issues. It will work most of the time. Long press your power button for 10 seconds, It will trigger the power of your mobile, and your mobile will shut down in a few seconds.

4. Samsung Galaxy M20 DNS Settings

Like in PC, We can manually change our DNS settings on our mobile to avoid our ISP tracking. Most of the time, It will work well. But sometimes, based on some ISP, The DNS may not work correctly.  When you setup manual DNS, disable it in your Settings and try to connect with your Samsung Galaxy M20 Wi-Fi connection.

DNS Check in Mobile network settings

  • Go to Settings>Mobile and Network.
  • Then Select Mobile Network.
  • You will get a lot of Options. Choose Advanced, then “Private DNS.” Select “Off.”

5. Check with VPN Settings

VPN connections are always slow, and lag compares with regular networks. It is common among any system. When you turn on Always-on VPN settings, it may affect your Samsung Galaxy M20 Wi-Fi sometimes. You can turn off Always-on VPN in settings. There are some best Free VPNs are available on Android. You can use one of them if you feel it is useful.

Change VPN Settings in Android Mobiles

  • Go to Settings>Mobile and Network.
  • Then Select Mobile Network.
  • You will get a lot of Options. Choose Advanced, then “VPN.” Choose VPN profile settings. Then Turn off Always-on VPN.

6. Reset Mobile Network settings

Instead of resetting your mobile, We can rest our network settings. It will adjust the default settings for your mobile. If our recent changes affect Wi-Fi, then the rest can help us to restore the connection.

Reset Network Settings in Android Mobiles

  • Go to Settings>System.
  • Scroll down to the bottom and choose Reset options.
  • Select Reset Wi-Fi, mobile, and Bluetooth.
  • Then choose Reset Settings.

7. Reset Wi-Fi connection Using ADB Commands to Fix your Samsung Galaxy M20

This process may work 50-60%. If you use Old Mid-range mobiles, the chances are less. But, We have Samsung Galaxy M20. So, it will work. The OS still can handle background commands. Thus, the ADB commands may work.


ADB Drivers Installation

  • Enable USB Debugging Mode and OEM Unlock; you’ll find these options at Settings >>> Developer options. If you didn’t see the developer options on your settings menu, then go to about >>> build number. Click on the “Build Number” row for about ten times regularly to activate “Developer Option” on your device.
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Samsung Galaxy USB debugging Allow

  • Connect your mobile with PC and unlock your mobile (Screen Lock).

ADB command Open

  • Open a command prompt as Administrator and type below command to check the ADB status.
  • adb devices
  • The above command will display some code for device detection. If you didn’t receive any response, Check with the USB Cable. If you get a response, move to the below commands.
  • adb shell is stop -an android.intent.action.MAIN -n
    adb shell am start -a android.intent.action.MAIN -n
    adb shell input keyevent 20 & adb shell input keyevent 23
  • You can enter the commands one by one, Or All commands and Hit Enter.

8. Reset Your Samsung Galaxy M20 Mobile

Factory Reset Android Mobile

If you follow all the methods and still face issues, you can Reset your Samsung Galaxy A50. Take complete backup on your mobile. You can do a soft reset or hard reset. To Rest your mobile, Go to settings> System>Reset Options> Reset app preferences/ Factory Reset.

  • Soft Reset/App Preference Reset– This option will remove all the custom settings we made and return to the default settings. It will not delete user data.
  • Hard Reset/Factory Reset– It will remove all user data. Your mobile OS will become new, like when you purchased. You have to set up everything from the beginning.

You can also use your mobile recovery to do the reset process when you can’t boot into your Mobile OS.

8.1 Stock Recovery method

Samsung Galaxy M20 Recovery Mode

  • Switch off your device. Then, enter into the Stock Recovery mode. To do this- Press and hold down the Volume Up + Volume Down+ Power buttons at the same time for some time. It will boot your mobile into Recovery mode.

Samsung Galaxy Wipe Cache Partition

  • If you didn’t use Rooted mobiles, most of the time, you have Stock Recovery, which is provided by your official mobile manufacturer. If you have a stock recovery, you have the direct option as “Wipe Data/Factory Reset.” Navigate to this option and confirm it using the power key button. Remember, It will delete your entire data. So, backup first before the process.

8.2 TWRP Recovery method

When you use Rooted mobiles, you either use Stock Recovery or TWRP custom recovery. If you have Stock Recovery, you can use the above process. When you installed TWRP on your mobile, follow the steps below.

Wipe Data in TWRP

  • The Keycombinations will boot your mobile into TWRP Recovery mode.
  • On the Home screen, you can find the option as “Wipe.” Select the wipe option; you will receive further details. Select “Dalvik, Data, and Internal Storage.” Don’t select the system. It will wipe your OS. After selecting other choices, swipe to erase the data. When the process completes, return to home and boot into OS.

9. Regular Software Updates

Mobile Manufacturers are rolling out the updates to fix a lot of issues. It makes a lot of effort from their side. If you didn’t utilize the update, they would stop rolling out the updates regularly. So, it is our responsibility to install the updates. Most of the time, your mobile will remind you of these things. Some mobiles download the OTA in the background and ask us permission to install the updates. After Android 10, Google rolling out important security patch updates via Playstore. So, the process becomes comfortable. The updates not only have new features, but they also have fixed issues. So, update your mobile frequently.

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You may need to check out if there is a newer software update available for your device. To check out for this, follow the steps below. The bug causing your Samsung Galaxy A50 device freeze mostly fix in a newer software version; thus, upgrading to the most recent version of your device. It is a wise idea to take the complete backup before update your mobile.

  • Go to your mobile device settings

  • Scroll down to the About Section and click on the “Software update” option

  • Tap the “Download and install” option

  • Wait for the searching to complete to see if there are any new updates available

  • If there’s an updated version, click on the download option to update your device software

However, if there is no more original version, kindly try other solutions below.

10. Flash the Samsung Galaxy M20 stock firmware

When you tried all the above methods, and you can’t connect with your Wi-Fi connection, then the final choice for our fix is to flash the Stock firmware of Samsung Galaxy M20. Since it is a data loss process, I advise you to take complete backup using Samsung SmartSwicth. You can restore the data once you fixed the Wi-Fi issue.

Wrap Up

Other than checking notifications and chat, Most of the time, to stream videos, we always prefer Wi-Fi connection. When it is not working, then it will limit the mobile users with only Camera and Gaming. Nowadays, everything depends on Internet data. Most of the people use Wi-Fi calling when they can’t get network coverage in there home, which is necessary to stay connected with other people. So they always stick with Wi-Fi. When Wi-Fi is not working, it is not a pleasant experience. Using the above methods, you can surely fix the Wi-Fi issue in your Samsung Galaxy M20. When you already set your problem with the new way, Comment below. We will update our post if we feel it works in our end also.

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