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Original topic:

S8 Home and Recent screen buttons not working

(Topic created on: 6/22/19 1:34 PM)
Austin-Blues
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Galaxy S Phones

I am not sure why, but a few days ago I noticed that my Home & Recent buttons stop functioning.  In order to go to my home screen when I am in another app or if I am on the internet, I need to either turn off my phone and back on or press the back button until I get to my home screen.  Pressing the recent button does nothing as well.  I compared my settings with my spouses phone and they are the same as mine, but she is not having the same issue.  I have searched this forum and the web and cannot seem to see anything that may solve this problem.  I did read about a Partition Cache (I think) reset or something like that.  Not wanting to go there in fear I may totally botch it and do something worse to my phone.  Have run malware software and virus check.. all clear there.  Any help would be greatly appreciated.

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SamsungAdam
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Have you tried factory resetting the device? Please save any information you need prior to the factory reset because otherwise your personal information may not be recovered. If you have encrypted the microSD card, you must decrypt it before setting the phone. Otherwise, your phone will not be able to read the data on the card. From Settings, search for and select Decrypt SD card, and then follow the on-screen prompts.


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SamsungJoJo
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I recommend try wiping the cache partition on your device. Don't worry it is completely safe and you will not lose any important data.

 

Follow these steps below on how to wipe the cache partition.

 

- Turn off the device.
- Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
- When the Android logo displays, release all three keys.
- An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
- Press the Volume down key several times to highlight wipe cache partition.
- Press Power key to select.
- Press the Volume down key to highlight yes, them and press the Power key to select.
- When the wipe cache partition is complete, Reboot system now is highlighted.
- Press the Power key to restart the device.

 

Your phone will take a little time booting up after the cache partition is wiped off of its contents as it will rebuild or recreate those caches. Don’t be alarmed if the phone gets stuck on the logo for a minute or two after this just don’t turn it off so that what were deleted will be replaced successfully. So, wait for your phone to become active.

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Austin-Blues
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Thank you for your message.  Here is what happened when I followed your instructions:  First a Blue Screen Installing System Update appears, then I get a screen with what looks like a dead android robot thing figure with an exclamation point in a yellow triangle above him and no command message at the bottom of the screen for a little bit, after which it does go the Android System Recovery.  Followed the instructions and unfortunately, this didn't fix the problem with the recent and home buttons.  Another item, when I turn on my phone, I draw my pattern which then takes me to a white screen to confirm my pattern and requests me to put in a 6 figure password.  I cannot cancel that screen, since when I push cancel nothing happens, like my home/recent buttons.  I really don't want to try the continue button on that screen either. I end using the back button to get to home screen from that.  I don't believe I need a password since in the past I have not used one.  I continue to use pattern to unlock my phone.   This has also happened recently, always used pattern and honestly cannot recall if I had to set up a password in the past.  I followed the Wipe Cache proceedure a couple of times just in case I missed something the first time.  Any other suggestions?  BTW, absolutely chuffed someone got back to me so quickly!  Thank you.

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SamsungAdam
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Thank you for following up. Do you experience these symptoms if you test your device in safe mode?


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Austin-Blues
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No I haven't tested my device in Safe Mode.  I guess this mode would be obtained through the Recovery Process outlined above?

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SamsungAdam
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To put your device into safe mode: Press the power button, then hold down the power off option until you see safe mode. Then tap on safe mode.


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Austin-Blues
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I just tested my device in Safe Mode and unfortunately all the symptons I have reported are still there.  The confirmation patten screen, Home/Recent buttons not working.  Sigh.. any other ideas?

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SamsungAdam
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Galaxy S Phones

Have you tried factory resetting the device? Please save any information you need prior to the factory reset because otherwise your personal information may not be recovered. If you have encrypted the microSD card, you must decrypt it before setting the phone. Otherwise, your phone will not be able to read the data on the card. From Settings, search for and select Decrypt SD card, and then follow the on-screen prompts.


Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.





Please note, notification emails are a DO NOT REPLY address, you must log-in on the community page in order to respond.

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Austin-Blues
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No I haven't tried a factory reset.  Was hoping I didn't need to since the last time I did this, it didn't end well.  Decrpyting the SD Card is something I need to confer with my Tech Specialist since it's a requirement for my firm to encrypt the card.  I will let you know how this all turns out.  I guess this is a method of last resort.

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Austin-Blues
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I ended up having to do a factory reset.  Not the best solution, but it worked and I am grateful for that.  Thank you for your help and I apologise for my delay in response.