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How to fix your Samsung Galaxy S7 that can no longer connect to Wi-Fi after Android 7 Nougat update [Troubleshooting Guide]

  • Understand why your #Samsung Galaxy S7 (#GalaxyS7) can no longer connect to your home Wi-Fi after the Android 7 #Nougat update and learn how to troubleshoot it in a bid to fix the problem.

The Internet is one of the things that are very important to smartphones as most of the features depends on it not to mention that it is also required to make sure your data and files are backed up in the cloud in a timely manner. But what if, one day, your phone just stopped connecting to the Internet when using Wi-Fi?

We have received quite a lot of complaints from our readers that suggest the recent Android 7 Nougat update may cause your Galaxy S7 not to connect to Wi-Fi anymore. In this post, I will tackle this problem and guide through troubleshooting your device in a bid to fix the problem so that you may continue using your device while being connected to a Wi-Fi hotspot.

Read on to learn more about this issue but if you have a different problem, make sure you drop by our troubleshooting page for we have already addressed a lot of issues with this device. Find problems that are similar with yours and use the solution or troubleshooting procedures we suggested. We depend our troubleshooting guides on the information you give us so make sure you provide us with accurate details so we can give you more accurate solutions. Just fill up our Android issues questionnaire to contact us.

Troubleshooting Galaxy S7 that won’t connect to Wi-Fi after Nougat update

The purpose of this troubleshooting guide is for you to know more about the problem or what caused it. Once you have them, it will be easier to formulate a solution that may fix the problem. Before we go to the troubleshooting steps, I just want to cite one of the messages we received from our readers that best explains this problem…

Hi droid guy. I am hoping you can help me because my phone is very important to me and my job. It is a Samsung phone, the Galaxy S7 which I purchased in November last year. Recently, there was an update that I downloaded. It was actually the third update I downloaded since I bought the phone. The first two updates were all successful and I haven’t encountered any issues after I installed them. The recent one, however, caused by phone to not connect to my home Wi-Fi anymore. I already called my internet service provider and tech was dispatched to check my connection only to be told that everything works as far as my internet is concerned. So, it must be the phone. The thing is, I don’t know how to fix it or even where to look. I’m hoping you’ll get back to me as soon as you receive this email. Thanks.

Step 1: Reboot your phone a couple of times to see if it’s just a temporary glitch

Glitches happen all the time and they often occur when you least expect them. However, more often than not, temporary glitches can be solved by simply rebooting your phone. So, if this is the first time that this problem occurred after the update, don’t do anything yet, instead reboot your phone first. If the problem still occurs after the first reboot, try to do again and if still no, then proceed to the next step.

Step 2: Delete all the system caches as some of them may have been corrupted during the update

The thing about system caches is that they get corrupted more often than you think especially during or after firmware updates. However, average users don’t have access to them so you really cannot delete them one by one. Therefore, all you need to do is wipe off the entire directory where system caches are saved. In so doing, you’re actually forcing the phone to create new caches that are now compatible with the new system. Here’s how you actually delete the system caches:

  1. Turn off the phone.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe cache partition.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished wiping the cache partition. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

Once the phone has successfully rebooted, try to toggle the Wi-Fi switch and then try to connect to the network you used to connect. Or better yet, “forget” the network first and then allow your phone to detect and reconnect to it. If it still won’t connect, then try the next step.

Step 3: Try to boot your device in Safe Mode and observe

This is basically not a fix but it will give you an idea if the problem is caused by a third-party app or not. Safe Mode is also known as diagnostic state wherein all third-party apps are temporarily disabled leaving all pre-installed ones and core services running. It’s important that you do this procedure because there are third-party apps that can actually manipulate wireless connectivity in your phone. Here’s how you boot up your phone in safe mode:

  1. Press and hold the Power key.
  2. When Samsung Galaxy S7 logo appears, release the Power key and immediately hold the volume down key.
  3. Continue holding the Volume Down key until it finishes its rebooting.
  4. When “Safe mode” appears on the screen immediately release the Volume Down key.

If the phone is in this state, try to connect to Wi-Fi and if the connection is established, then there must be an app that’s preventing your device from connecting to a network. You may try finding that app and uninstall it, or you can simply backup your data and files and then do the factory reset. This is how you factory reset your phone…

  1. From the Home screen, tap the Apps icon.
  2. Find and tap Settings and then touch Backup and reset.
  3. Tap Factory data reset and touch Reset device.
  4. If you have screen lock feature turned on, enter your password or PIN.
  5. Touch Continue.
  6. Tap Delete all to confirm your action.

After you’ve done these and the problem still remained, it’s time to do something that will bring the phone back to its original state.

Step 4: Perform the Master Reset on your Galaxy S7

This will bring the phone back to its original configuration but together with it, all your files and data will be deleted and can no longer be recovered. Therefore, we strongly suggest you take time backing up your files, pictures, videos, texts, emails, data, etc. before doing the steps below.

  1. Turn off your Samsung Galaxy S7.
  2. Press and then hold the Home and Volume UP keys, then press and hold the Power key. NOTE: It doesn’t matter how long you press and hold the Home and Volume Up keys, it won’t affect the phone but by the time you press and hold the Power key, that’s when the phone starts to respond.
  3. When the Samsung Galaxy S7 shows on the screen, release the Power key but continue holding the Home and Volume Up keys.
  4. When the Android logo shows, you may release both keys and leave the phone be for about 30 to 60 seconds. NOTE: The “Installing system update” message may show on the screen for several seconds before displaying the Android system recovery menu. This is just the first phase of the entire process.
  5. Using the Volume Down key, navigate through the options and highlight ‘wipe data / factory reset.’
  6. Once highlighted, you may press the Power key to select it.
  7. Now highlight the option ‘Yes — delete all user data’ using the Volume Down key and press the Power button to select it.
  8. Wait until your phone is finished doing the Master Reset. Once completed, highlight ‘Reboot system now’ and press the Power key.
  9. The phone will now reboot longer than usual.

Step 5: Send the phone in for repair

While Samsung officially rolled out the Nougat update last week, there was something that prompted the company to make the roll out to a halt. It seems that its developers found out something that has to be corrected. The company is making sure everything works smoothly with its devices now because after the Note 7 debacle, it can no longer afford to have serious issues. So, at this point, if the problem is still happening, then it’s time you consulted a technician about it.

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  1. Hi! Since a month ago, my phone has wifi problems – sometimes (specially when I’m abroad and need it). When i connect the wifi, the cellphone restarts and keep doing it, unable to use the phone for more than 1 minute before the next restart (complete shut off). During this 1 minute phone’s life, i can’t text. the keyboard doesn’t work (apps, google search, phone message…). This error doesn’t occur when I’m using data, just the wifi. And when the phone has facing this wifi problem and restarting itself continuously, i notice it’s overheated. To solve the issue, i have to let the phone off and cool down for at least 6 hours and have luck next time I turn it on, the wifi is working properly again.

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