Samsung Galaxy Note 3 (Sprint) automatically returns to the previous screen

Kencr96

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Feb 16, 2016
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Hello everyone,

A few months back I upgraded my Galaxy Note 3 (Sprint) to Lollipop from KitKat. The KitKat version I had, however, was rooted and I encountered some serious problems during the upgrade process. I believe the phone bricked. Like I said this was awhile ago and I was doing this late at night so my memory is fuzzy.
Anyway, I was able to get it restored to the unrooted firmware. I'm not sure if I had to flash an unrooted KitKat ROM and then upgrade to Lollipop or if I was able to go straight to unrooted Lollipop.
Since then, everything on the phone works fine except the phone will intermittently behave as if I am pressing the back button. It does this on its own until it closes the app I was in and reaches the home screen (until it can't go back any further). If I try to open an app while it is having one of these episodes, it closes the app. I usually had to restart the phone or wait it out.
I don't believe it is a hardware-failure issue because I used the "hidden" diagnostics menu feature that changes the color of the screen to indicate that the back button was being pressed and it only ever indicated when I pressed the back button myself.
Since I couldn't find anything online, I just switched back to my GS4 but it is running out of memory for apps and I miss my Note 3, so I'd like to switch again.
Anybody know what the heck is wrong???
 

nahoku

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Jan 26, 2013
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Have you tried starting the Note 3 in Safe Mode? Might be some app causing the problem. Uhhh, you're running stock LP now, right? I don't know if Safe Mode will run if you're rooted.
 

nahoku

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Well, if it doesn't screw up in Safe mode, then the only way forward is to disable one app at a time, in normal mode, to determine which is causing the problem. Daunting task if you have a lot of apps!
 

Kencr96

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Feb 16, 2016
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Thank you for your reply and sorry I have not responded for awhile. The battery on my s4 is swollen so I've been forced to switch to the Note 3. I completely factory reset the note 3 and reinstalled apps and it is still acting funny. I'll continue to try to pinpoint an app. Do you think this issue could be caused by the failed rooting ordeal?
 

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