Mobile Data and Auto Brightness keep turning off randomly - Samsung Galaxy S9+ Questions & Answers

Having a weird problem where randomly the Auto Brightness and Mobile Data will be toggled off.
Anyone else getting this?
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For anyone who comes across this post for this bug, it isn't your phone. The problem was Samsung Car Mode for Galaxy (available on the Galaxy Store). I don't know why but it started happening after I installed that. Once I removed it the problem went. So it appears to be an issue with the app.
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Why doesn't Wifi ever turn off even with correct policy?

From my experiences wifi keeps my phone awake and data transfers like crazy. I set wifi to never stay on when my phone sleeps but this hardly ever works. Most times it stays on!
What's up with this? It works sometimes but what do I have to do to make it shut wifi off when I turn the screen off?
Sent from my GT-I9300 using xda app-developers app
Install DataEasyPro if nothing else works.
AFAIK WiFi only turns off if the connection has been idle for a certain amount of time. If your phone keeps transferring data, WiFi won't shut off. Check your running programs and your sync settings for anything, that could be using your network connection.
The stock ELKC WiFi policy works fine. CM and ROMs based on it do not
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Dmwitz said:
Install DataEasyPro if nothing else works.
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Click to collapse
This might be my only option... thanks.

Anyone having T-mobile connection issues?

My cellular Internet randomly stops responding in the browser throughout the day even it says I'm connected to LTE. I have to turn airplane mode on/off to get it working again. Just wondering if anyone else has experienced this or is it just me.
Sent from my SM-G900T using xda app-developers app
akafaze said:
My cellular Internet randomly stops responding in the browser throughout the day even it says I'm connected to LTE. I have to turn airplane mode on/off to get it working again. Just wondering if anyone else has experienced this or is it just me.
Same thing happens to me 2.
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Same, shows I have service but nothing happens.
Sent from my SM-G900T using xda app-developers app
Mine too.
Same here. I toggle airplane mode to get it working again also.
Sent from my SM-G900T using XDA Premium 4 mobile app
akafaze said:
My cellular Internet randomly stops responding in the browser throughout the day even it says I'm connected to LTE. I have to turn airplane mode on/off to get it working again. Just wondering if anyone else has experienced this or is it just me.
Sent from my SM-G900T using xda app-developers app
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Click to collapse
Me too, it will sometimes say, "Phone is not registered." I came over to T-Mo to save some dollars, so I was unable to determine if the issue is T-Mo's network or the S5. Especially true since I've always had HTC phones. My issue does only seem to happen in stores and where I work, so I assumed it to be T-Mo...
I also have a problem with the Wifi not remembering my password. Strangely this only seems to happen when I check the "Smart Network Switch", which is SUPPOSED to make it smoother...
It happens once in a while. Toggling Airplane Mode on and off fixes it.
Happens to me too. I don't think it's the phone, as I was having the same issue with the S4. Had to toggle airplane mode.
Sent from my SM-G900T using xda app-developers app
Same here, it happened very very occasionally with the S4, but it seems like it's at least once a day if not more with the S5. I had a separate microphone issue on my first phone so this is my second device that's had this problem. The airplane mode toggle works, and also turning wifi on and off works for me. The problem is when I don't realize it's happened and I miss a call which is problematic for obvious reasons. I've missed several calls in the last few days which I find unacceptable, if this doesn't get sorted out I'm going to have to switch to another phone soon...
akafaze said:
My cellular Internet randomly stops responding in the browser throughout the day even it says I'm connected to LTE. I have to turn airplane mode on/off to get it working again. Just wondering if anyone else has experienced this or is it just me.
Sent from my SM-G900T using xda app-developers app
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same happened to me had to return the phone through buyers remorse program seems it's an hardware issue a simple restart or reset of Internet via airplane mode will fix it but annoying
I'm also having the issue. Not a major issue as it doesn't happen too often.
I notice I get it when I am connected to wifi. Doesn't seem to happen as often when wifi toggled off.
Same here I had the s4 it just recently like a month ago I though it was my s4 but when I got the s5 same thing so its nost likely a t mobile
Sent from my SM-G900T using xda app-developers app

Notification on / off auto settings

Hi finally got my edge today. Loving it all ready.
I need a way of setting notifications by time meaning the phone auto switches to mute at a certain time on certain days then goes back to on in the morning at a certain time. Does anyone have recommendations please.
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uktivo said:
Hi finally got my edge today. Loving it all ready.
I need a way of setting notifications by time meaning the phone auto switches to mute at a certain time on certain days then goes back to on in the morning at a certain time. Does anyone have recommendations please.
Sent from my SM-G925F using Tapatalk
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do not disturb will do that for you in sounds and notifications
Thanks that's about 90% what I'm after. It would be great to be able to add certain contacts instead of all or favourite etc.
Sent from my SM-G925F using Tapatalk
Same here! I don't really use the 'Favorites' feature, but I had to reset all of them so that this feature would work.
There a software name Audio manager pro as I remember, try searching it. Good luck!
Did anyone find a way of using do not disturb to mute notifications? It seems less reliable for third party apps.
There is also Phone weaver, It does everything you said. The only strange issue is when you switch in airplane mode, manually or automatically, only wifi go off, the phone radio doesn't!
There is a trial version too!

Issues with T-Mobile DIGITS and tablet sleeping?

Ever since I installed DIGITS on my tab s3 the Wifi will not turn off when the tablet goes to sleep like I designated it in the settings. I uninstalled DIGITS and it didn't fix it. I did a factory reset and it still didn't fix it. It used to work before this. Can anyone help?
Sent from my SM-G955U using Tapatalk

Smart Lock not working

Hi,
I think that since update to Android 10 Smart Lock stopped working or does not work as it should.
Basically with Trusted Places enabled I still need to unlock phone with fingerprint or pin. If I go to smart lock settings and turned it off and on smart lock works for a short time only.
I switched battery optimisation for maps, location and other options.
Does any of you experiencing any issues with smart lock and have any suggestions how to fix mine?
Phone with original system, not altered.
Similar is with my wife's S10 phone.
Thanks
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Kruk07 said:
Hi,
I think that since update to Android 10 Smart Lock stopped working or does not work as it should.
Basically with Trusted Places enabled I still need to unlock phone with fingerprint or pin. If I go to smart lock settings and turned it off and on smart lock works for a short time only.
I switched battery optimisation for maps, location and other options.
Does any of you experiencing any issues with smart lock and have any suggestions how to fix mine?
Phone with original system, not altered.
Similar is with my wife's S10 phone.
Thanks
Sent from my SM-G965F using Tapatalk
Click to expand...
Click to collapse
My case location smartlock not always works... and I do have location turned on 24/7.
It's so uncomfortable being at home and not being able to check my phone without using fingerprint...
Using S.G.S9+ Duos w/ Tapatalk
My location is on 24/7 as it was before the update. It is in deed very annoying.
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