Bluetooth keeps enabling - Samsung Galaxy S7 Questions and Answers

Hi!
Im on exynos version of S7 and i have a little problem.
On apeq stock firmware (i didnt noticed this before), when locking device / turning off screen, phone is activating Bluetooth on its own! Ive noticed Bluetooth icon disappearing moments after turning screen on. There is battery drain from Bluetooth sharing (or someting simmilar, i have non-english version of android set).
Bluetooth is disabled in options and Bluetooth scanning is turned off. I do not use any kind of Bluetooth hardware /dongles.
Is this a common bug?

I haven't seen or heard of this before, but just thinking about it...Do you have any location based apps running that night trigger your bluetooth like IFTTT or My Places?

No, i've got no such things besides standard google apps. No new apps since last rom update.

Well, i think i have found a guilty app.
I tried factory reset, then i have downgraded to APC8 firmware and still, after app installation bluetooth started to show up.
By trial & error method i started to delete apps one by one and found out that SwiftKey was the "bad apple". Unfortunately for me - it's my favorite keyboard...
Well, after uninstalling and replacing it with google keyboard all is fine for now.

Related

Bluetooth suddenly stopped working

Hey guys,
yesterday I noticed that Bluetooth is switched off on my S7. I tried to switch it on again, but the slider/button in the bluetooth menu just stays gray, even though it moved to the right. It looks like the phone is not able to start blutooth for whatever reason. WiFi works without a flaw. My phone is completely stock, no root, no knox, no custom rom. I'm on stock rom G935FXXU1DQJ1
Any ideas how to fix this?
Try to perform a hard reset. Maybe there is a bug in your phone.
RossTeagan said:
Try to perform a hard reset. Maybe there is a bug in your phone.
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Well I was hoping to find a solution without having to wipe everything. Without knowing if it will fix the issue, it would take me several hours of lifetime to setup the phone from scratch.
Ok - this is very strange. I'm still using the phone currently as it is and I'm wearing my Gear S2 smartwatch to at least know what time it is, but throughout the day bluetooth actually turned a few times on, synchronized with the watch and suddenly switch off again.
I was trying to stream music to a bluetooth speaker during one of the phases in which bluetooth was working, but the music stops after several seconds and bluetooth switches off again.
What the ....?
Ok I think I fixed it. Resetting all connectivity settings did the trick for me. Although I now need to reconnect to all the devices and WiFis. Still better then doing a factory reset

Bluetooth audio streaming problems after Oreo Update

Well I just upgraded to new Oreo and guess what? I can't use my Bluetooth headset anymore (Blue Tiger Elite). The audio gets distorted or breaking up. Failing to connect or disconnect to/from the phone. Was working fine before update. Tinkering Bluetooth settings in developer mode didn't help since they will stay unchanged after you open the menu again.
Have anyone encountered same problem?
When im paired up with the stereo in my work truck i noticed a pop every now and then.
stefilie said:
Well I just upgraded to new Oreo and guess what? I can't use my Bluetooth headset anymore (Blue Tiger Elite). The audio gets distorted or breaking up. Failing to connect or disconnect to/from the phone. Was working fine before update. Tinkering Bluetooth settings in developer mode didn't help since they will stay unchanged after you open the menu again.
Have anyone encountered same problem?
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Audio streaming on Nougat for me was perfect all the time, now since my Oreo update I've experienced constant stuttering and/or growly distortion for a moment at least every ten seconds. Also 'Settings' keeps closing whenever I'm accessing any of my apps when changing permissions for example. It couldn't even pull up my app list, so I've done a backup and deleted at least 300 of my apps, and only now things are slightly better. I don't understand why everything is lagging so much now when before the update, all was perfect.. Help?
ScottOverly said:
Audio streaming on Nougat for me was perfect all the time, now since my Oreo update I've experienced constant stuttering and/or growly distortion for a moment at least every ten seconds. Also 'Settings' keeps closing whenever I'm accessing any of my apps when changing permissions for example. It couldn't even pull up my app list, so I've done a backup and deleted at least 300 of my apps, and only now things are slightly better. I don't understand why everything is lagging so much now when before the update, all was perfect.. Help?
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Try factory reset, it worked for me. Good luck!
Yes, I'm having the same issue with bluetooth connection and the same Blue Tiger Elite. Just got off the phone with Verizon tech person he is thinking my headset is old enough technology that it won't stay connected.
Steve Phillips

Bluetooth loses devices after sleep

Any help with this issue would be very appreciated! I've had this from the very beginning where after the device goes to sleep, then wakes again the bluetooth devices disappear from the paired list, plus it won't find anything when you search. After you hard reboot it works perfectly again until you next put it to sleep. This means the OBDII won't connect in Torque, phone won't connect etc until you reboot every time you get in the car which is major pain.
- I've tried replacing the bluetooth module with a USB and physically removing the onboard one.
- Replacing MTCManager with a version that doesn't kill any services/apps during sleep
- Using the whitelist from Graser Dasaita's tool
- Tried multiple ROM's
Unfortunately I'm at the end of my Android knowledge so not sure what to try next. Seems like its some kind of service that gets killed? Weirdly it will sometimes for no apparent reason randomly reconnect when I'm driving along.
Please help!
Running PX5, Maylask Android 6.0.1 (ROM version 7.2)
I've since discovered the system service "bluetoothservice" gets killed which is probably causing my issue. How do you automatically start a service on wake? Any suggestions?
I had white listed "bluetooth com.microntek.bluetooth" but I also needed to white list bluetoothservice android.microntek.mtcservice still doesn't work though.
Removed
bjt2 said:
Removed
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Hi !
What do you mean by removed?
I have a similar issue.

App updates hang / delayed notifications

Recently on my Note 10+ (SM-N975U1) running stock Pie and Dec 1 2019 update, I have been experience 2 issues.
Notifications for some apps are delayed
App updates hang on Google Play Store
For the app updates, they stall with "Download Pending" or the download stalls with <100% complete.
Resolution steps that have NOT worked
Clearing cache and data for Google Play Store
Rebooting phone
Rebooting into Safe Mode
Changing from Wifi to Cell Network Data and vice versa
Stop/starting app updates
Current Workaround
Closing/swiping the Google Play Store and opening it again. It will eventually complete downloading after multiple attempts and install/update an app - you will have to repeat this continuously for every app you want to install or update.
Is there anyway to debug this without doing a complete reset?
This is a problem I've had on many phones over the last few years. It took me a while to figure it out but it's bluetooth related. More specifically, I had the "Dynamic Lock" option enabled on my Windows 10 work laptop (which basically just locks my pc when my phone gets far enough away). I disabled this and now all my notifications come immediately and play store updates work as they should. I realize that you may not have that enabled and if that is the case then turn off your bluetooth for a while and see what happens. It worked for me and several others on the samsung community forum.
mtweisenbarger777 said:
This is a problem I've had on many phones over the last few years. It took me a while to figure it out but it's bluetooth related. More specifically, I had the "Dynamic Lock" option enabled on my Windows 10 work laptop (which basically just locks my pc when my phone gets far enough away). I disabled this and now all my notifications come immediately and play store updates work as they should. I realize that you may not have that enabled and if that is the case then turn off your bluetooth for a while and see what happens. It worked for me and several others on the samsung community forum.
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Thank you! I turned off Bluetooth but nothing happened but after I rebooted with Bluetooth off everything started to work again. Is there a permanent fix for this? I am assuming turning back on Bluetooth will cause this to happen again? The strange thing this never happened to my Note 8.
selector said:
Thank you! I turned off Bluetooth but nothing happened but after I rebooted with Bluetooth off everything started to work again. Is there a permanent fix for this? I am assuming turning back on Bluetooth will cause this to happen again? The strange thing this never happened to my Note 8.
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I have no idea why this happens. What I do know I have had this issue on LG phones, Pixels, and Motorola's. It isn't a Samsung thing. I think it's an Android Bluetooth issue.
This is an old thread - but in case someone else finds it, I came across someone's suspicions in another thread that their Plantronics headset was causing some kind of problem with their Bluetooth. I began unplugging my Savi headset when not in use and it seems to help... YMMV.
This has been going on since Pie; made me upgrade from my Note 8 to Note 10 and it came right back. Infuriating.
You may also want to try to rub a lucky stone and do some chanting as well, because it's about as effective as hoping for a fix after all this time.

bluetooth running in the background?

I have a rooted Note 4 running 5.1.1. Recently, I began having trouble with its Bluetooth functionality. The audio would be very choppy regardless of which app was being used on the phone. I went through the process of clearing the cache many times, restarting the phone, etc., but still nothing has worked...but this isn't the purpose of this thread (though any suggestions related to fixing the problem will still be appreciated). I noticed yesterday and again today that Bluetooth is still running on the phone after a restart even though Bluetooth is turned off in the settings. In other words, when I go to the Applications Manger in the settings and swipe over to the tab showing which processes are running, Bluetooth is listed there. I only turn on Bluetooth when I need it so since it was off, it was surprising to see it listed as running. Has anyone else experienced this and does anyone have an idea why?
I'm also seeing other apps running even though I haven't used them. One is called "PageBuddyNotiSvc", and then there is "Direct pen input" (I have an SPen but I haven't used it in months), and then there was Textra which I have installed but rarely use (it's not my default SMS application even). I don't recall seeing these showing up in the App Manager in the past---especially not the first two. If I stop them, they seem to stay off but I'm still curious as to why they, along with Bluetooth, are running in the background in the first place.
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