Screen timeout issue seemingly caused by activating airplane mode - Samsung Galaxy S10 Questions & Answers

I recently tried activating and deactivating airplane mode on my Galaxy S10 5G to reset my data connection, which was having issues. When I did, the phone's screen timeout somehow set itself to a setting that normally doesn't exist (see attached screen shot). This causes the screen to go black almost immediately when there's no activity. Since happening the first time, my phone keeps defaulting to this setting, usually when charging it overnight. The setting disappears of I select another option and exit the menu, but keeps showing up again whenever it defaults back or I activate airplane mode again. Does anyone have any clue what's happening here?

Welcome to XDA.
Try clearing the system cache first.

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Disable Hardware Buttons
Have you tried to disable the hardware buttons to see if it maybe a button that is getting pressed. To disable them hit Start, goto Settings, tap Buttons, tap the Lock tab, then put a check in the "Disable all buttons except power button" box.

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what i did:
1. tried everything might do that in setting
2. reset all application from application manager
3. erased TouchWiz data
4. restart
5. removed fingerprint lockscreen
more: my device is rooted and have application that manage touchwiz and kernel which i did not use recently.
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any help please?
Solved:
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HI
Just for your information, I had the same problem with my Samsung A40 phone, after 2 days of awful investigation I found out that enabling ONE HANDED MODE had caused this issue. Turn it off, everything goes back to normal

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