Charging staying on and always on display stopped after Oct update - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

After the Oct update, my phone know "stops" charging after reaching 100%. My screen saver is set to run when on charger, so it stops also. Went to Always on display, turned it on, keeps turning itself off. won't hold changes. I back out, and says on, then phone goes to lock screen, then black. Open again and it's off.
Any others or tips?

mt2020 said:
After the Oct update, my phone know "stops" charging after reaching 100%. My screen saver is set to run when on charger, so it stops also. Went to Always on display, turned it on, keeps turning itself off. won't hold changes. I back out, and says on, then phone goes to lock screen, then black. Open again and it's off.
Any others or tips?
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Charging always stops when it reaches 100% otherwise it would damage the battery / cause a fire

OK, I can see that, but my screen saver always stayed on before, now the screen saver goes off when fully charged. And no always on display??? Figure I'd turn that on and won't hold selection for on.

Related

Screen stays lit when charging with the phone off.

Before I unlocked my phone, when it was powered off and on the charger I would get a fancy looking battery on the screen that looked to be charging. After a minute the screen would shut off and the red led would like up till it was charge. That was stock and rooted.
Now after unlock, with the phone off and on the charger I get a very very simple white battery on the screen that animates filling up. After 30 seconds or so the battery disappears but the screen stays on. No way to turn of the screen. No red led just a lit screen when the phone is off. When the phone is on all is normal and the screen is off and the red led lights up to show its charging.
I'm stock ROM, liberty kernel and no kernel tuning. I checked setting and they say screen should be off when charging. I have TWRP 2.5.0 for recovery. Any ideas why the screen won't turn off when charging with the phone off?
Thanks.
Sent from my LG-LS970
Mine does the same thing. It hasn't really been a problem. You can charge your phone with it on and just with the screen off. If you're concerned with charging it rapidly you can just turn on airplane mode. Airplane mode and screen off charges nearly as quickly as the phone being completely off.
stevek216 said:
Mine does the same thing. It hasn't really been a problem. You can charge your phone with it on and just with the screen off. If you're concerned with charging it rapidly you can just turn on airplane mode. Airplane mode and screen off charges nearly as quickly as the phone being completely off.
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Thanks for the reply. I usually charge with the phone on but screen off. My issue is if the phone dies (powers itself off) and I charge it, the screen is still lit even though the phone died.
Sent from my LG-LS970
BadFish79 said:
Thanks for the reply. I usually charge with the phone on but screen off. My issue is if the phone dies (powers itself off) and I charge it, the screen is still lit even though the phone died.
Sent from my LG-LS970
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Mine did the same thing after I unlocked too. Wasn't really worried about it though. I know switching to an aosp based ROM fixes the issue
Sent from my LG-LS970 using xda app-developers app
Same problem here.
Any solution?
Go into settings-developer options- make sure stay awake is not checked. Lets start there.
Sent from my LG-LS970 using xda premium
Unlock/Root Now Screen Lit When Off/Charging
BadFish79 said:
Before I unlocked my phone, when it was powered off and on the charger I would get a fancy looking battery on the screen that looked to be charging. After a minute the screen would shut off and the red led would like up till it was charge. That was stock and rooted.
Now after unlock, with the phone off and on the charger I get a very very simple white battery on the screen that animates filling up. After 30 seconds or so the battery disappears but the screen stays on. No way to turn of the screen. No red led just a lit screen when the phone is off. When the phone is on all is normal and the screen is off and the red led lights up to show its charging.
I'm stock ROM, liberty kernel and no kernel tuning. I checked setting and they say screen should be off when charging. I have TWRP 2.5.0 for recovery. Any ideas why the screen won't turn off when charging with the phone off?
Thanks.
Sent from my LG-LS970
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Click to collapse
This is happening to my LG OG as well, and having the Battery Doctor app installed usually showed the progress if I clicked the power button to show the screen, but then back off completely. Now it's that weird little white battery icon and when that goes away, the screen is empty but lit.
I preferred the Battery Doctor charging screen when off, since it shows percentage complete. If there is a way to restore that setting, please help. :fingers-crossed:
I will try to find a new AOSP ROM as was suggested below as well... keep you posted.
EuphoricFuzion said:
This is happening to my LG OG as well, and having the Battery Doctor app installed usually showed the progress if I clicked the power button to show the screen, but then back off completely. Now it's that weird little white battery icon and when that goes away, the screen is empty but lit.
I preferred the Battery Doctor charging screen when off, since it shows percentage complete. If there is a way to restore that setting, please help. :fingers-crossed:
I will try to find a new AOSP ROM as was suggested below as well... keep you posted.
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Woahhhh im having the exact same problem here! but my phone is NOT charging, it stayed on the little cheapo battery thing overnight and its still not booting up now
Same here
Anyone out there has a suggestion/fix ?
If I have problems I boot into recovery and let It charge that way
G0d is here. now Free
Having this issue as well, any solution?
Found none yet. I just let it charge up enough to boot back up. Then finish charging with the phone powered on but screen off.
Sent from my phone.
Stock did this for me. Any Aosp rom will fix this.
Sent from my LG-LS970
Mindspin_311 said:
Having this issue as well, any solution?
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Have you updated your ROM to Stock ZVC? I am using Spleef's Carbon, and I clean flashed the updated file and restored my apps/data with TiBu, as well as updating my BatteryDoctor app, I'm not only getting the screen to turn off when charging, but it's also showing me the percentage charged on the little battery animation when I turn the screen (not the device) on.

Watch in Airplane mode-> screen off while charging

FYI I've noticed that if I put the watch in Airplane mode it's possible to let the screen off while charging. (Enabled in developers mode) Yesterday I did it and the screen shows charging indicator for a few seconds and then it goes off.
I don't know about this screen off stuff.
One time I put in on charger and screen stays ON,
One time in goes OFF.
One time it goes OFF and I wake up, look at the watch and the screen is LIT but black. (LCD is ON, but nothing is showing.)
I can say just one think, If it is black or low light in the room, than 90% screen stays ON.
If the light is high in the middle of the day, or I have lights ON, than the screen turns OFF when charging.
Very confused.

Frozen SW3 Greyed out screen, non responsive. Won't turn off/on or reboot

My SW3 ran to about 10%, I went to turn the brightness down before recharging and the screen greyed out (the brightness adjustment menu item is just about visible, no backlight).
The screen is non-responsive and I suspect the watch is actually off with a residual image on the screen. I can't turn it on or reboot by holding the power button down.
Plugged in now for 2.5h, no signs of life and still won't turn on.
What now? is this a recognised issue?, will it come back to life if I keep it plugged in or should I be doing something else.
Sideburnt said:
My SW3 ran to about 10%, I went to turn the brightness down before recharging and the screen greyed out (the brightness adjustment menu item is just about visible, no backlight).
The screen is non-responsive and I suspect the watch is actually off with a residual image on the screen. I can't turn it on or reboot by holding the power button down.
Plugged in now for 2.5h, no signs of life and still won't turn on.
What now? is this a recognised issue?, will it come back to life if I keep it plugged in or should I be doing something else.
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Okay, 5 different cables later, and finally the phone vibrated once and is now charging having blanked it's screen of the residual greyed out screen. Whether this was due to the battery fully draining or the right cable who knows.

Is there a setting to keep Tab S from shutting off while plugged into wall charger?

I guess the tablet isn't actually powering down, it's just going into sleep mode, or whatever it's called when the screen shuts off. Anyway, is there a way to keep this from happening when the tablet is plugged into the wall charger? It isn't a major deal but it is sort of annoying when I have something large downloading or have the tablet otherwise doing something on its own, but I'm not actively using it. I like to walk by occasionally and check in on things, but will often find that the tablet has shut off. Then I have to turn it back on, swipe the screen, or login if I have security on. Anyway, it would be much nicer if it would just stay on when plugged in. I've looked through the settings and can't seem to find anything related. If it's there, I'm missing it.
Thanks.
There are different between shut off and standby (sleep mode):
1- Shut off: Your tablet is shutdown, the only way to turn it on is power button.
2- Standby: the screen is off, you just need to press power or home button to turn the screen on in 2 seconds. In order to prevent the screen turn off so quickly, you only need to change the screen timeout to 10 or 30 minutes. If it turns off by itself, your tablet has a problem.
Mine can standby a whole week and it only loses a little charge when waking up.
Beut said:
There are different between shut off and standby (sleep mode):
1- Shut off: Your tablet is shutdown, the only way to turn it on is power button.
2- Standby: the screen is off, you just need to press power or home button to turn the screen on in 2 seconds. In order to prevent the screen turn off so quickly, you only need to change the screen timeout to 10 or 30 minutes. If it turns off by itself, your tablet has a problem.
Mine can standby a whole week and it only loses a little charge when waking up.
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There is no 30 minute screen timeout on my Galaxy Tab S 10.5. The most I can set it to is 10 minutes, and that's where it's at.
Thanks anyway.
bfollowell said:
I guess the tablet isn't actually powering down, it's just going into sleep mode, or whatever it's called when the screen shuts off. Anyway, is there a way to keep this from happening when the tablet is plugged into the wall charger? It isn't a major deal but it is sort of annoying when I have something large downloading or have the tablet otherwise doing something on its own, but I'm not actively using it. I like to walk by occasionally and check in on things, but will often find that the tablet has shut off. Then I have to turn it back on, swipe the screen, or login if I have security on. Anyway, it would be much nicer if it would just stay on when plugged in. I've looked through the settings and can't seem to find anything related. If it's there, I'm missing it.
Thanks.
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Click to collapse
we call that a screen time out... you can activate the stay awake while charging feature in developer option... how to activate developer option.... go to setting -> about device -> and press the Build Number 7 times. you will see something like developer option activate. then find the stay awake while charging option. that's all. :victory:
edan1979 said:
we call that a screen time out... you can activate the stay awake while charging feature in developer option... how to activate developer option.... go to setting -> about device -> and press the Build Number 7 times. you will see something like developer option activate. then find the stay awake while charging option. that's all. :victory:
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Super, that's exactly what I was hoping for...
...once I get my completely screwed up tablet running again...
I'm starting another thread.
Thanks!

Screen Doesn't Appear to Work

I was on a phone call with a friend when I noticed that the screen wouldn't turn on anymore. After the call was done, I popped out the battery to shut it down.
When I take out the battery and plug the phone via usb charger, the screen turns on and is blacked out. When the battery is in, and I 'turn on' the phone, there is a very slight vibration, and after some time the phone blinks that red LED light like when I have a gmail waiting--it is as though the phone really is on and active, but the screen isn't getting signal.
I'm guessing that there's a loose connection somewhere.
Any suggestions?
I disassembled and reassembled. Didn't work initially.
Left my phone alone for 5 minutes after it booted with no screen signal, and then I press the power button, and it turned on.
So weird. Seems like I'd better back up my stuff while I can.

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