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How to fix your Samsung Galaxy S6 that no longer turns off when the Power key is pressed [Troubleshooting Guide]

We’ve already addressed a problem with the Samsung Galaxy S6 wherein it failed to turn on but we’ve also received messages from our readers who complained that their device can no longer turn off. A phone that won’t turn off might have some problems with its power switch but we still have to find out if that’s really the case.

So, in this post, I will walk  you through in troubleshooting your device that no longer turns off. We have to rule out every possibility to come up with a solution that may fix the issue. However, if it’s a hardware problem, then you need a technician that can perform further tests because if you were the one to open your phone up to check for the switch, you may void the warranty of your phone. If you have a phone like this and are currently bugged by a similar problem, continue reading below as this post may be able to help you.

For those who are looking for a solution to a totally different issue, visit our troubleshooting page for we have already addressed hundreds of problems since we started supporting this device. Find issues that are the same or similar with yours and use the solutions and/or troubleshooting guides we suggested. If they don’t work for you or if you need further assistance, then fill up our Android issues questionnaire and hit submit to contact us.

How to troubleshoot your Galaxy S6 that can no longer turn off

Problem: I can no longer turn my phone off. I want to restart it but it won’t respond when I press and hold the power key. I was still able to restart it yesterday but not today. I didn’t drop it nor dunk it in water. In fact, I’ve taken care of it since I bought it last year and it actually still looks new. I’m a bit frustrated because of this problem. It’s a Galaxy S6 phone and I paid several hundred dollars for it. Please help me. Thanks.

Troubleshooting: It is more likely an issue with the power switch unless the phone actually responds when the Power key is pressed and/or held. But I assume that whenever you press the Power key, your Galaxy S6 doesn’t respond. For this case, there’s only so much we can do about it but we need to try.

Try to press (and release) the power key several times as there’s a possibility the problem is due to a stuck switch. If it’s just a matter of being stuck, then you can fix it by pressing the power switch a lot of times until you can get unstuck. However, if the problem doesn’t get fixed after that, there’s a chance the power switch is damaged.

In case this problem started after you put on a new cover or case, then that might be the issue. Try removing it and press the power key and if the problem persists, it’s time you sent the phone to the store or shop and have it checked.

On the other hand, if the phone actually responds when you press or hold the power key and displays the power options but won’t turn off if you choose the Power off option, then it might be an issue with the firmware. In which case, you need to wipe the cache partition by rebooting your phone up in Recovery Mode as there’s a chance some caches just got corrupted. Here’s how you do it:

  1. Turn off the device.
  2. Press and hold the Volume up, Home, and Power keys together.
  3. When the Samsung Galaxy S6 logo screen displays, release only the Power key.
  4. When the Android logo displays, release the Volume up and Home keys. ‘Installing system update’ appears for 30 – 60 seconds, followed by the Android system recovery menu.
  5. Press the Volume down key until ‘wipe cache partition’ is highlighted.
  6. Press the Power key to select.
  7. Press the Volume down key until ‘yes’ is highlighted.
  8. Press the Power key to select.
  9. When the wipe cache partition is complete, ‘Reboot system now’ is highlighted.
  10. Press the Power key to restart the device.

If the problem still persists after this, then backup your files and data and then reset your phone. After the backup process, disable the Factory Reset Protection so you won’t be locked out of your phone after the reset, then reset the phone.

How to disable the Factory Reset Protection on Galaxy S6

  1. From the Home screen, tap Apps.
  2. Tap Settings.
  3. Tap Accounts.
  4. Tap Google.
  5. Tap the Google ID email address. Repeat for each Google email address.
  6. Tap MORE.
  7. Tap Remove account.
  8. Tap REMOVE ACCOUNT to confirm.

How to reset your Samsung Galaxy S6

  1. Turn off the device.
  2. Press and hold the Volume Up and Home keys, then press and hold the Power key.
  3. When the Samsung Galaxy S 6 logo displays, release only the Power key.
  4. When the Android logo displays, release the Volume Up and Home keys. ‘Installing system update’ appears for 30 – 60 seconds, followed by the Android system recovery menu.
  5. Press the Volume down key until ‘wipe data / factory reset’ is highlighted, then press the Power key.
  6. Press the Volume down key until ‘Yes — delete all user data’ is highlighted, then press the Power key.
  7. When the master reset is complete, ‘Reboot system now’ is highlighted.
  8. Press the Power key to restart the phone.

Alternatively, you can reset your phone 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 reset.
  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.

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