Bluetooth not working after latest LineageOS update - Samsung Galaxy S7 Questions and Answers

A few months ago (I forgot exactly when), I updated to the latest available herolte LineageOS build for my (rooted) S7.
As I use a Samsung Gear S2 Classic smartwatch, I went about updating build.prop to make the Galaxy Wear app work on my phone (the app works out of the box on everything except flashed Samsung phones, which is circumvented by replacing 'samsung' with 'htc' in build.prop). However, my watch would not connect anymore, despite resetting my watch, reinstalling the app, etc etc. It simply did not show up on the menu. Then I noticed that I was also unable to connect to my bluetooth speaker as well, despite it being on and working perfectly fine as before with my laptop. Scanning for bluetooth devices simply shows nothing. The smartwatch would show up for very short periods of time and then disappear again, the bluetooth speaker is still listed as 'paired' but attempting to connect to it does nothing.
So, my Bluetooth is broken after this update and I have no idea how to begin fixing this. I have not attempted reflashing my phone yet. Does anyone have any solutions or suggestions for troubleshooting?

Related

Smart Connect is not functioning properly on THL W3 Android 4.0.4

Hi,
I bought the SmartWatch 2 (SW2) and it arrived a week ago.
I have a THL w3 device, with Android 4.0.4 on it(built in; not a custom rom) and rooted.
When it first arrived about a week ago, I tried to connect it again and again and the SW kept displaying the SW->Smart Connect screen. the Smart Connect didn't show that popup window with a link to install the SmartWatch2 app, and even when I installed in manually there was no "edit settings" row in the Smart Connect app.
I tried to connect it to my friend's Motorola Atrix (Jelly Bean, not sure which one) and it worked, and then when I tried again on my phone it seemed to work. I was able to install some applications and even though whenever I turned the SW off and on or the Bluetooth off and on I had to unpair and pair the SW in order to connect it, not to mention that 90% of the times when I paired them there was no pairing request, the phone said it's paired, the SW got stuck on the screen "SW V phone"(connected) but they weren't actually connected.
A few days later, yesterday, I noticed that what i just described only happends when the phone is completely on and ready to use, because if I rebooted my phone and then when it turned on I emiddiatly paired them, it worked and there was a pairing request and everything. but only if I paired them before all the apps were ready, which meant that there was an app that caused the pairing to fail when that app is ready.
I used "Disable Manager"(from the Play store) to disable the Smart Connect app and then I was ablt to pair the phone and the SW properly, only now because the Smart Connect app is disabled I can't use the watch...
I hope I described what happened even though English is not my strongest language...
Summury:
My phone is not fully compatible ith the SW, and the fault is Smart Connect's.
The Motorola Atrix works perfectly with the watch. Is it because of the android version?
If you have any ideas please let me know.
-Reuven
Having trouble understanding, but if the problem is your device's stock rom you could look into trying a custom AOSP rom. Might aswell get something more recent than icecream sandwich. Get on kitkat. Get cyanogenmod 11 and use Gravity box with xposed modules.
Are there any custom mods for my device?
The problem is I couldn't find any custom roms for THL W3. it's not a popular device, and even though I really want a newer version(at least Jelly Bean...) I searched a bit and I didn't find anything.
Is cyanogenmod compatible with every phone? Are you sure that's the problem?

Gear S3 Frontier and Nexus 6p connection problems

Hi all,
I'm growing increasingly frustrated with this watch because of connection issues.
When I received this watch in January, I was able to set it up no problem. Everything worked great. I just had two issues-
1. The Bluetooth car system would no longer work because the phone would use the watch as the default headset.
2. Google duo would go bonkers when I was getting a call if the watch was connected.
Both of these issues were solved with a solution found here in the forums-by unchecking the option to use the watch for phone connection.
I noticed immediately after doing that that the connection became unstable. I would disconnect randomly then reconnect. As the weeks went on the disconnections became more frequent i.e. Every 2-3 minutes. Then the watch wouldn't connect anymore. Once the watch wouldn't connect anymore neither would my car. Nothing related to Bluetooth would work on my phone. My Tiles wouldn't connect anymore either.
So I went through and deleted all data and cache related to the three Samsung apps and uninstalled the apps. I deleted all Bluetooth connections. Then reinstalled the apps and connected the watch. Within an hour I was still in the same situation. (With no other things connected to Bluetooth.)
I figured out that if I restart my phone everything works again for about 20-30 minutes.
I'm at the point where I don't feel like it is worth keeping anymore. I can't have anything else connected to Bluetooth and I have to restart the phone so often that it just doesn't make sense.
After reading through the forums here it doesn't sound like this is a common problem. Is there something I am missing? Is the watch defective? Any suggestions is greatly appreciated.
Thank you.
You could well find the issue is with your phone and not the watch. I initially used my S3 with a Samsung phone that went bust. I went back to my Nexus 5 and found I had some issues and one app had disappeared from the app store. I contacted the app firm who told me that they were aware of it but it was Samsung that was blocking the app. On going back to a Samsung phone the app was available again and works fine. Can you check your S3 with a different phone?
I also have a S3 and a 6P. Disconnect the S3 Bluetooth from your phone Bluetooth settings and it should connect to your car. You should still see the "Gear S Plugin" notification if you swipe down on the the phone. You should still receive notifications on your phone but the Bluetooth will connect to your car. Connect the S3 to your phones Bluetooth again if you want to answer calls via your watch. Hope this helps.
I have the Mate 9 and the Frontier... when i enter my truck i just press airplan mode on the watch turning off all connection. bluetooth from phone to truck connects 1-2-3....
Clarification
Hi all,
Thanks for the responses. Probably because of my long rambling post there is a little misunderstanding of where I'm at now.
Right now my problem is that my phone can't stay connected to my watch. I have nothing else connected via Bluetooth to my phone. Once it can't connect anymore, I have to restart my phone in order for it to connect again. And then it only stay connected for a couple of minutes before disconnecting.
It is like the Bluetooth gets locked up on my phone by the Samsung gear apps.
Maybe it's my phone. Maybe time to get a Pixel.
Any suggestions are greatly appreciated.
Try this. I do it when I lose notifications. Go to Bluetooth on your phone. "forget your watch" it will disconnect. Reboot phone. Then re pair watch and phone after reboot using your phone and the watch (not the gear app). That usually fixes most problems for me.
Sent from my ONEPLUS A3000 using Tapatalk

Bluetooth suddenly stopped working, can pair with devices but not connect.

I'm not sure what exactly happened but I've been pairing with my old Nexus through bluetooth for a while now with no problems, and suddenly I stopped being able to connect to it or any other device. I can turn on bluetooth, see devices, and even pair but when I press on a device name to connect it says "connected" for about half a second and then disconnects immediately. Thought it was the Nexus but I am unable to connect to any other devices.
I tried rebooting, un-pair and re-pair, clearing bluetooth cache/data, clearing dalvik, but nothing.
The weird thing is that this actually happened a while back, and when I turned off developer mode it started working again. But now that's not doing anything.
I saw that there are a few old threads about others with bluetooth problems. Has there been a fix for this?
I'm running RR on 6.0.1.
Thanks in advance!
I'm writing a cordova app that was starting bluetooth just fine until, without any known change, it suddenly just hangs and my gui just sits there like duh forever. note 4 android 6 cant root it so ive got the bloat and the upgrade cycle slooowdown

Always losing bluetooth connection since update

Since the Oreo and Wear OS updates I've had severe connectivity issues which didn't exist beforehand. I thought I had cracked it with a factory reset of the watch and removal + reinstallation of the phone apps...
However for days now my watch hasn't been showing as connected in my phone's bluetooth settings but it has been showing as connected in the Wear OS & Huwaei Wear apps and I had been getting messages on the watch etc so I thought nothing of it. Just now I tried to make a phonecall using the watch and it said the call couldn't be made, check my bluetooth connection. So despite both phone apps saying that I was connected and the phone's BT saying that I was connected (*for a change!) there was some issue. I switched BT off & back on again on the watch and then I could finally make the call.
Buggy!
Is anyone else experiencing these phantom connectivity issues between their watch and phone since the latest updates?
I have the same problem, I did not come to the repair
I have the same problem and i found a temporary solution for it. Switch on and switch off aeroplane mode.
Same problem here. I have the 4G version of the watch and now am always connected in 4G, the bluetooth is indicated by the phone (Huawei Mate 10 Pro) as connected in the system settings, but is not connected neither on the watch nor on Wear OS app.
same problem here
Bluetooth losing connection
Here's the solution:
1) unpair watch from phone
2) delete Bluetooth app's cache on phone
3) reboot phone
4) repair watch with phone
Since I did these steps I have had no issues with Bluetooth connectivity...
Hope it helps you....

Question Bluetooth connectivity issues

I have been experiencing issues connecting to devices over Bluetooth. Sometimes it just works, other times it doesn't work at all, and some times it kinda works but not right.
All of these issues are resolved by restarting the phone, but that isn't a solution because the issue comes back.
3 Devices I have been having issues with
1. S Pen - Sometimes it won't connect to the phone, I get an "S-Pen Missing" message and it will not connect. If I t ry to connect to it manually via nRF Connect (The Nordic Semiconductors Bluetooth App) it tells me that the BLE device has a GATT error. It happens semi-randomly but I can always make it happen by doing #2
2. Car Stereo - This is the weird one, it will connect and play music, but it will not do "calls" if I connect to Discord it won't recognise the car as a Bluetooth device it can route to.
3. Raspberry Pi - This one it appears it will connect to ONCE, and then after a disconnect it will not connect again.
Again, each of these can be fixed by restarting the device, but they happen again after a while. The pen & RPi use BLE, I don't know what the car uses for calls.
Turn off global power management completely in Device Care.
Network reset, reboot and clear system cache from the boot menu.
Ok, I've done a network reset, and cleared the cache partition. I checked Device Care for something like global power management, and I couldn't find anything. Most of the pwm settings are off except the "optomise daily" setting.
I'll let you know later if I have the same issue again.
These, this is a N10+ running on Pie.
To check if you have disabled global power go to Developer options>standby apps, all buckets should show as active otherwise power management is enable.
KindarConrath said:
I have been experiencing issues connecting to devices over Bluetooth. Sometimes it just works, other times it doesn't work at all, and some times it kinda works but not right.
All of these issues are resolved by restarting the phone, but that isn't a solution because the issue comes back.
3 Devices I have been having issues with
1. S Pen - Sometimes it won't connect to the phone, I get an "S-Pen Missing" message and it will not connect. If I t ry to connect to it manually via nRF Connect (The Nordic Semiconductors Bluetooth App) it tells me that the BLE device has a GATT error. It happens semi-randomly but I can always make it happen by doing #2
2. Car Stereo - This is the weird one, it will connect and play music, but it will not do "calls" if I connect to Discord it won't recognise the car as a Bluetooth device it can route to.
3. Raspberry Pi - This one it appears it will connect to ONCE, and then after a disconnect it will not connect again.
Again, each of these can be fixed by restarting the device, but they happen again after a while. The pen & RPi use BLE, I don't know what the car uses for calls.
Click to expand...
Click to collapse
Are those the only three devices you connect via BT? What other apps do you use that need to use BT (i.e. Galaxy Wear, Apple Music, etc.).
You mentioned "Nordic Semiconductors Bluetooth App." I looked it up. Why do you need a third party generic BLE connecting app? It seems to me that could be the problem. You shouldn't need a third-party app to connect your BLE devices. The S22U's native pairing will work with any BT device that adheres to BT standards.
Try uninstalling the nRF Connect app and see what happens.
The only other Bluetooth devices I have are other in-house hardware, running on SiliconLabs BGM13P chips or NRF52840 chips...
The NRF app isn't a replacement for your bluetooth pairing app, its a debugging app... it can connect to BLE devices and show their GATT profiles, update devices that have Nordic's OTA update code and copy a devices GATT profile to act as a BLE Server.
We use it for testing and debugging.
KindarConrath said:
The only other Bluetooth devices I have are other in-house hardware, running on SiliconLabs BGM13P chips or NRF52840 chips...
The NRF app isn't a replacement for your bluetooth pairing app, its a debugging app... it can connect to BLE devices and show their GATT profiles, update devices that have Nordic's OTA update code and copy a devices GATT profile to act as a BLE Server.
We use it for testing and debugging.
Click to expand...
Click to collapse
Ok. I recommend uninstalling nRF Connect anyway. If anything, to rule out the app. How old is your car and the Raspberry Pi? Even though BT 5.2 is backwards compatible, sometimes older BT devices won't work with newer devices. That doesn't account for the S Pen issue though.
I uninstalled nRF connect, and changed all the settings you both recommended. Exactly the same behaviour when I went to leave work. My car stereo would do music but not calls, then when I restarted my phone, it worked. Then when I got home, my S Pen would not connect to my phone, then I restarted my phone and it worked.
Its not a problem of not being compatible, its a problem of something stops working.
Please also note that these devices worked fine together in the past. I am concered that it is either a change made by an update or a Bluetooth chip that is faulty....
OP- Have you debloated at all and if so maybe you've removed something relevant that might be causing these issues?
No, stock image, no OS modification beyond the things that Samsung offers (GoodLock and Stock customisation)
I have our in-house apps for interacting with our equipment (over Bluetooth) installed, but #1 they shouldn't affect anything if they are not open and #2 they don't do this to ANY of our other test equipment.
I would just like to say, that I appreciate the assistance that you are all offering! I have used many forums over the years when looking for support on things and I rarely find a place that is more ready to try and help than XDA forums!
KindarConrath said:
I have been experiencing issues connecting to devices over Bluetooth. Sometimes it just works, other times it doesn't work at all, and some times it kinda works but not right.
All of these issues are resolved by restarting the phone, but that isn't a solution because the issue comes back.
3 Devices I have been having issues with
1. S Pen - Sometimes it won't connect to the phone, I get an "S-Pen Missing" message and it will not connect. If I t ry to connect to it manually via nRF Connect (The Nordic Semiconductors Bluetooth App) it tells me that the BLE device has a GATT error. It happens semi-randomly but I can always make it happen by doing #2
2. Car Stereo - This is the weird one, it will connect and play music, but it will not do "calls" if I connect to Discord it won't recognise the car as a Bluetooth device it can route to.
3. Raspberry Pi - This one it appears it will connect to ONCE, and then after a disconnect it will not connect again.
Again, each of these can be fixed by restarting the device, but they happen again after a while. The pen & RPi use BLE, I don't know what the car uses for calls.
Click to expand...
Click to collapse
I've seen the issue of the spen disconnecting but only a couple of times and the issue worked itself out within a couple of minutes with me not having to do anything.
I've also have had a couple of wonky issues when connecting a new Samsung phone to my car. I've narrowed down my issue to the fact that when I transfer my data & settings via Samsung smart switch, it includes the details of my Bluetooth pairings. To fix it, I have to go in and delete my Bluetooth phone settings from the car and from my phone and re-pair them.
Rubby1025 said:
I've seen the issue of the spen disconnecting but only a couple of times and the issue worked itself out within a couple of minutes with me not having to do anything.
I've also have had a couple of wonky issues when connecting a new Samsung phone to my car. I've narrowed down my issue to the fact that when I transfer my data & settings via Samsung smart switch, it includes the details of my Bluetooth pairings. To fix it, I have to go in and delete my Bluetooth phone settings from the car and from my phone and re-pair them.
Click to expand...
Click to collapse
As cool as I think Smart-Switch is as a program, I actually never use it when moving from one phone to another. The junk that Google drags with me from one phone to the next is already too much, I like to use a new device as a chance to do some housecleaning. So no old-data oddities here.
KindarConrath said:
I uninstalled nRF connect, and changed all the settings you both recommended. Exactly the same behaviour when I went to leave work. My car stereo would do music but not calls, then when I restarted my phone, it worked. Then when I got home, my S Pen would not connect to my phone, then I restarted my phone and it worked.
Its not a problem of not being compatible, its a problem of something stops working.
Please also note that these devices worked fine together in the past. I am concered that it is either a change made by an update or a Bluetooth chip that is faulty....
Click to expand...
Click to collapse
Hmmm.. Ok. You're probably right about the suspect causes. I know there is a code you can dial to get into diagnostic mode, I just don't know what it is.
The only other option you can try (as a last resort) is to factory reset it. If it is update caused, a factory reset MAY fix it. If you take it to a service center, send it in for repairs, or do a warranty replacement, they're going to factory reset it, or have you reset it.
have you tried running diagnostics in device care ?
or check with this dc
android
Bluetooth test*#*#232331#*#*
samsung
Bluetooth Test Mode*#232331#
I still haven't done a factory reset, but I continue to have the issue.
I have run the BT Test in device care, it always reports good.
I tried the codes, neither of them work as the first one is for vanilla android and the second is for older versions of Samsung firmware.
I've tried completely unpairing from the car radio and re-pairing, disconnecting and connecting from the other device to no avail.
KindarConrath said:
I still haven't done a factory reset, but I continue to have the issue.
I have run the BT Test in device care, it always reports good.
I tried the codes, neither of them work as the first one is for vanilla android and the second is for older versions of Samsung firmware.
I've tried completely unpairing from the car radio and re-pairing, disconnecting and connecting from the other device to no avail.
Click to expand...
Click to collapse
I'm not entirely sold on the idea that it is a hardware fault. It could be a hardware limitation; meaning you cannot connect to more than a certain number of devices simultaneously. I don't know how many BT devices you can connect to at once. I know at least two simultaneous connections (I've only had two simultaneous connections at a time).
You said you have other BT devices in your house other than those three your having issues with. How many are there? How many are you connected to at any given moment?
Is it possible that you have too many simultaneous connections?
When you try to connect to your car.. Did you check under BT connection (your vehicle) to make sure both audio and calls are checked..
doubledragon5 said:
When you try to connect to your car.. Did you check under BT connection (your vehicle) to make sure both audio and calls are checked..
Click to expand...
Click to collapse
Yes, and I've disconnected, reconnected and even unpaired and re-paired the phone to the car.
gernerttl said:
I'm not entirely sold on the idea that it is a hardware fault. It could be a hardware limitation; meaning you cannot connect to more than a certain number of devices simultaneously. I don't know how many BT devices you can connect to at once. I know at least two simultaneous connections (I've only had two simultaneous connections at a time).
You said you have other BT devices in your house other than those three your having issues with. How many are there? How many are you connected to at any given moment?
Is it possible that you have too many simultaneous connections?
Click to expand...
Click to collapse
Unless having multiple connections causes the BT to fail completely, no. Even after turning the car off and walking away, it still will not connect to the S Pen. The only BT devices I use with that phone regularly are:
S Pen, Car (Music & Calls)
At work I develop devices that use Bluetooth and I sometimes connect to them, but only ever one at a time.

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