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How to fix Samsung Galaxy S7 that keeps freezing after Nougat update [Troubleshooting Guide]

Performance related issues such freezing and lagging are often the results of some corrupt files in the system especially if the start without apparent reason. We have received quite a lot of complaints about premium phones like the Samsung Galaxy S7 that started to become slow and kept lagging and freezing after major firmware updates like the Android Nougat.

In this post, I will tackle the freezing issue once again for the benefit of our readers who are currently haunted by this problem. We will look into every possibility and try to rule out each of them until we can come up with a conclusion on what’s really causing the problem and whether or not it can be fixed on your end. But the thing is, if the problem started without apparent reason, it’s more likely fixable without any help from a technician. So, if you own a Galaxy S7 that started to freeze randomly after an update, continue reading below as this post may be able to help you.

But before we jump right into our troubleshooting, if you have other issues with your phone, make sure to drop by our troubleshooting page for we have already addressed hundreds of problems with this device since it was released. Find issues that are similar with yours and use the solutions and/or troubleshooting guides we suggested. If they don’t work or if you need further assistance, feel free to contact us by filling up our Android issues questionnaire.

How to troubleshoot Galaxy S7 that started to keep freezing

Problem: During charging my Samsung S7 freezes. I’ve had it three days this morning my alarm didn’t go off, thankfully I was up early, but the phone was stuck on 5.30am and I couldn’t unlock the screen. Thinking that maybe I shouldn’t charge it overnight I decided to charge before bed this evening and I realised my younger sister hadn’t sent her usual evening message which is when I noticed the phone had frozen at 10.30 pm and it was already past 11. The phone came with a European plug which I cannot use at home so I have put the USB cable into the 3 prong plug that came with my Samsung Tab. Hope you can help. Thanks Rachael!

Solution: As you indicated that you are using another brand of USB cable while charging your phone, we recommend that you should try using the stock USB cord and observe if the issue persists.

However, while using the stock cable and the problem still happening there is a chance that corrupt files and data caused your phone to freeze without apparent reason. On the other hand, if you mounted an SD card on your device, we recommend you to unmount it and see if the issue persists. If so, then you don’t have a choice but to do a troubleshooting procedures to rule-out the issue. Here are the methods that you need to do:

Step 1: Restart your Galaxy S7 in Safe mode

In this instance, we have to figure it out if one of the downloaded applications you installed on your phone is the culprit. By booting it in safe mode all third-party apps will be prevented and only the pre-installed will be running in the system. So, if the device function normally while in this state, then obviously there’s an app you need to uninstall to fix the problem. This is how you boot in safe mode:

  1. Press and hold the Power key.
  2. If Samsung Galaxy logo appears, release the Power key and simply hold the Volume Down key.
  3. Continue holding the Volume Down key until the device finishes rebooting.
  4. If you can see “Safe Mode” in the bottom left corner of the screen then, you may release the Volume Down key.

However, if the issue still happening while in this mode you can proceed to the next method.

Step 2: Clear the System Cache Partition

Even though the device hasn’t been updated it is necessary that you should delete the system caches from time to time to make sure that all files are new. Through this method, all files and data will be wiped out from the directory so that your phone can generate for newer and fresher caches. But nothing to worry about this method only the files and data in the directory will be wiped out. Here’s how:

  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.

If clearing the cache partition could not resolve the issue, jump to the last method.

Step 3: Perform reset on your phone

Since all methods you performed does not fix the problem, then your last resort is to reset the device. In this method, you will bring the device back to its factory default and all your files, preferences and settings will be deleted. But before you proceed to the procedure make sure to backup everything or transfer all files and data to your SD card or computer.

  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.
  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 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.

If you don’t know your Google ID and password, I suggest that before the reset you disable the Factory Reset Protection so that you won’t be locked out of your device after the reset. Here’s how you do it:

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Cloud and accounts.
  4. Tap Accounts.
  5. Tap Google.
  6. Tap your Google ID email address. If you have multiple accounts setup, you will need to repeat these steps for each account.
  7. Tap Menu.
  8. Tap Remove account.
  9. Tap REMOVE ACCOUNT.

And just in case you find it difficult to boot your phone up in recovery mode to do the reset, then you can reset your device from the Settings menu…

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Cloud and accounts.
  4. Tap Backup and restore.
  5. If desired, tap Back up my data to move the slider to ON or OFF.
  6. If desired, tap Restore to move the slider to ON or OFF.
  7. Tap the back key twice to return to the Settings menu, then tap General Management.
  8. Tap Reset.
  9. Tap Factory data reset.
  10. Tap Reset device.
  11. If you have screen lock turned on, enter your PIN or password.
  12. Tap Continue.
  13. Tap Delete all.

I hope after all these procedures you performed the issue will be resolved.

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