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MOTO G4 Play Bluetooth Issue Connecting to iSimple FM Adapter in Car

I got a new MOTO 4G Play to replace and older Samsung. I like it except for one thing. I have to unpair ("forget") the device and then cycle the radio on and off a couple times and then turn on the adapter and then pair and connect to get it to work. I have to do this each time.
I've contacted that adapter mfg and moto they both point to each other. They even said a new pone won't likely fix the problem. No one is actually interested in solving the problem. I'm sure there are plenty of others in the same situation. The adapter mfg says it is a problem with moto phones.
Are there any bluetooth radio hacks or other versions. I don't know what radio I have or how to find out. I'd rather not go with a complete custom ROM at this time.
Any suggestions on what the problem could be, how to fix, how to address compatibility problems when both mfgs say the other is causing the problem. Is there somewhere to officially complain about BT compatibility issues? Is BT an industry standard or a specific company that licenses it?
It seems like I should have some recourse here, but, so far I've spent a lot of time going in circles dealing with level 1 support people who only fill in forms or read off lists as well as time and money spent on phone calls, being put on hold, etc.

While Bluetooth is an industry standard, there are different versions (3.0, 4.0, 4.1, etc.) which transmit data in different ways. There are other standards as well, such as A2DP. But for all of this to work, both devices need to be able to detect each others' Bluetooth MAC and store it long term. If one device forgets it has that knowledge, then it won't recognize the others' BTMAC at all.
Changing to a ROM isn't going to fix this (Lineage is notorious for killing BT when you change from cellular to WiFi, and to this day it still isn't completely fixed). What I recommend is going into Apps, looking for Bluetooth Share, and clearing its data. Then try re-pairing to the device.

I tried clearing the data as you suggested as well as during a hard reset and that doesn't work.
I do have a sequence of steps that works pretty consistently, but, I have to do it interactively. I'm wondering if I could just write a script to do these steps. Some of them like the pairing and the connection take a little time and may need some timing steps. Ideally it could access a signal when the connection is made or not made etc. I could just set it in motion and go about putting on the seatbelt, starting the car, etc while it is working.
I have no idea what commands the different things I interact with use. It involves forgetting the connection, cycling airplane mode on and off, pairing and then after they are paired connecting. Any ideas?

Some people on the Moto forums suggest disabling Bluetooth Scanning. It seems to work for some people; others report no change in their connection after turning it off.
I'm running LineageOS, and as the previous reply stated, my Bluetooth restarts when changing between WiFi and cell data. I tried Bluetooth scanning on and off, and neither seemed to fix the Bluetooth restarts.

Bluetooth issues

I have 3 main devices that I pair to my phone via bluetooth: watch/lg tone/car
The watch stays paired with no issues, but the watch is having issues swapping from the lg tones to the car and vice versa.
Anyone found a remedy for this?
As of now, I have to go into the bluetooth settings of the one I don't want to use and deselect media/phone, then go to the other and select media/phone. And even sometimes this takes multiple times to work.
My previous phone (gs7) had no issues swapping from the two.

Hi,
Did you get a solution ? I face the same problem and can't find any solution...

Just to clarify, when you are in your car and want to connect to it, the headphones are turned off, correct?

Having similar issues... Every time I try to connect to my car (stock Subaru WRX), I have to manually connect and it takes several attempts before it connects. Once it connects it usually doesn't drop though. Very frustrating...
Another poster resorted to getting a whole new head unit: https://forum.xda-developers.com/oneplus-5/help/sony-xav-ax100-bluetooth-issues-t3634940

ArkAngel06 said:
Just to clarify, when you are in your car and want to connect to it, the headphones are turned off, correct?
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It's not in my car but with the bluetooth device of my motorcycle helmet. The reference is ncom bluetooth kit 3. I have to connect it manually and it takes several attempts before it connects. Sometimes it doesn't connect at all....

I have 2 headset Plantronics Backbeat Pro and Plantronics Backbeat Fit. They both work flawlessly
My Huawei Watch also works.
But my Nokia 616 Car kit wont connect at all.
And my motorcycle hemlet bluetooth kit, Cardo scala rider PACKTALK, connects, but the audio is slowed down to about 80 percent?

Same thing here.
I have been facing problems with a Sony SBH52 Headset and with my Opel Corsa E, stock infotainment system.
It gives me a hard time connecting but when it does it's stable.
I had the same with my gen 1 Moto 360 but after a factory reset to the watch and a reboot it's stable.
Sent from my ONEPLUS A5000 using Tapatalk

yubimusubi said:
Having similar issues... Every time I try to connect to my car (stock Subaru WRX), I have to manually connect and it takes several attempts before it connects. Once it connects it usually doesn't drop though. Very frustrating...
Another poster resorted to getting a whole new head unit: https://forum.xda-developers.com/oneplus-5/help/sony-xav-ax100-bluetooth-issues-t3634940
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I had the same issue with my TSX. I did some research and cleared the cache. Worked like a charm afterwards. Did not have the issue one week since doing that

suizdude said:
I had the same issue with my TSX. I did some research and cleared the cache. Worked like a charm afterwards. Did not have the issue one week since doing that
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Ahem, I seem to be unable to find bluetooth in my app settings. Can you please give me a hint?
It's been driving me crazy these days with my SBH-52 and I want to try this too.
Thanks!
P.S.
I'll also give it a shot with a plantronics pro headset I have to see if it does the same.

Bluetooth profiles implementations, even though they passed certification, are not always made equal! So don't end up pulling your hair if a certain BT device doesn't play nice with another.
Just as an example... Head Unit X had big issues with the initial contacts sync, right after pairing with Samsung phones (already known to sometimes play around some other standards). It would only work after several reconnects. After several weeks of debugging (poor development guys) and reproduction test (poor testing guys) it was concluded that it is a phone issue caused by some wrong timing delays in the process of exchanging information between the HU and the phone. Samsung was informed and the ticket was internally closed.

I have similar problem with Bluetooth Earbuds. Phone simple doesn't "see" the Earbuds. But strange - it can see other Bluetooth devices and other devices can see Earbuds.
I'm sure this is a OnePlus 5 software problem.
Version OxygenOS 4.5.10

i have somhow issue as urs, i have Bluetooth pad lock and android watch, it sometimes connected and sometimes not, i do believe its software issue, im on 4.5.11

Yes, it is strange. After some restarts and on/offs connection suddenly appears

Poor bluetooth connection

Hi guys. So I've searched about everything I can and can not find a fix for this. At first, my Bluetooth headset wouldn't connect but I've recently fixed that. Now it seems that if I travel more than 2 feet from my phone, the music stops playing. Even if I hold my hand over my phone or put it in my pocket, the music stops and once I take it back out and hold it close to my phone, it works again. Is this a Pie thing or what? I've went to developer options and changed the AVRCP to 1.6 but it doesn't help that much. I love this phone but this is almost a deal breaker for me. Really thinking of returning it and getting a Pixel 2XL if there is no fix. Can anyone help? Thanks in advance!

Contact Essential support with this. They're aware of the issue but unsure if they can fix it. I don't know if this is new with Pie or not. I didn't get my Bluetooth headphones until late in the Pie beta.

gk1984 said:
Contact Essential support with this. They're aware of the issue but unsure if they can fix it. I don't know if this is new with Pie or not. I didn't get my Bluetooth headphones until late in the Pie beta.
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Thanks. I emailed them. Hopefully this is something that can be patched up. How did your headphones do? Any issues? If not, what kind do you have?

Topdroid01 said:
Thanks. I emailed them. Hopefully this is something that can be patched up. How did your headphones do? Any issues? If not, what kind do you have?
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I've been using Munitio NINES for like 5 years (they seriously are in awesome condition after all this time and sound amazing). But I've gotten frustrated a couple times not being able to charge while listening or forgetting the dongle at home. So I grabbed Marshall Major II's in June. These are my bluetooth headphones. They don't sound nearly as good as the Munitio's, but wireless is convenient.
So my experience? I was on Android Pie beta when I got them. Day 1 with the bluetooth headphones and on, if the phone is in my hand at waist level or higher, they work fine. Put it in my pocket or step away, it's like it's buffering constantly. Oddly, at home (suburb), the "buffering" is almost non-existent (key work "almost"). But I haven't tried stepping away from my phone with BT on. In the city where I work, it's almost unusable unless I hold my phone. I think it's interference with so much wifi since BT and most WiFi broadcast over 2.4 Ghz.

I changed my default Bluetooth version in the developer options and it seems that pairing goes quicker as well as device pickup. Have you messed with that?

Koncrete said:
I changed my default Bluetooth version in the developer options and it seems that pairing goes quicker as well as device pickup. Have you messed with that?
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Yeah. I changed it to 1.6, 1.5, 1.4, default, etc... With no luck. You said you have yours set on default? Is it working perfectly? It's not that mine won't connect, it the range. I just do get it. The more I research it, the more I think it's a Pie issue. I've got on some pixel forums and they have the same issue. I'm in touch with the essential support team so maybe they'll tell me they'll have a update out soon to fix this.

Ever since pie my phone's Bluetooth has stuttered in my car, also have issues connecting sometimes. Plus noticed issues with WiFi as well. It didn't do it until pie.

Bluetooth AVRCP Version = 1.6
Bluetooth Audio Codec = Qualcomm Aptx (not the hd one)
Bluetooth Audio Sample Rate = 48k
Bluetooth Bits per Sample = 32/sample
Bluetooth Audio Channel = Stereo
Bluetooth Audio LDAC = Balanced 660/606
Those are the settings I'm using and I never have any issues except my car stereo takes longer then I like to initialize...

Factory reset always does the trick! This phone is weird like that especially after a major update.

LG G6 with Bluetooth Issues

Problem: Intermittent Bluetooth connection with my Prius C. Found two Bluetooth apps in system apps.
When I go into the bluetooth app to clear cache and data, I noticed TWO Bluetooth apps! One is version 8.0 which is appropriate since I've upgraded to Oreo. And, the second Bluetooth app is version 6.20.18. After trying everything I could think of to fix my connectivity issue, I'm at the point of a factory reset and rebuilding my device with hopes of resolution. But first, I wanted to ask if anyone else is seeing TWO bluetooth apps on their phones? Settings/Apps & Notifications/ Apps, then expand menu to show system apps.
Again, is anybody else seeing two bluetooth apps? Wouldn't this create a conflict with anything trying to connect? How can I delete the old app since they are both system apps? TIA

I've also got two apps. Enable Developer options and try to change Bluetooth - AVRCP version to AVRCP 1.4 (Default). After that my TomTom watch could connect to G6 without problems. Maybe it will be also a solution for your problem.

adamz667 said:
I've also got two apps. Enable Developer options and try to change Bluetooth - AVRCP version to AVRCP 1.4 (Default). After that my TomTom watch could connect to G6 without problems. Maybe it will be also a solution for your problem.
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Thanks for the suggestion. I've done as suggested with mixed results. I unpaired my G6 from my Prius, deleted the G6 profile from the Prius and still got the BT connecting and then disconnecting. I didn't have time to reboot so I wonder if that may be my issue (cache memory?). I'll try that at lunch. However, after a minute or so, I was able to stream uninterrupted. Thanks for the suggestion and solution, hopefully

I'm having a similar issue with my G6 and a 2016 Subaru Outback. Keeps dropping the connection and connecting. Sometimes it is ok for a while. Sometimes it keeps doing it from the time I start the car. Worked great until 8.0 update. See thread here: https://www.subaruoutback.org/forums/138-gen-5-2015-2019/501767-bluetooth-connection-issues-lg-g6.html#post5728313

Update: Still having mixed results (when connecting to my Prius). so, after some connection back and forth, I have been successful with streaming Pandora and Amazon Prime for more than 20 minutes w/o interruption.
I've tried Google Play in the car and it's as if the connection is possessed. It's so unstable that it makes me believe Google Play is somehow responsible. Yet, my BT headphones connect and play without issue for over 1hr while mulching leaves.
I still don't fully understand how their can be 2 Bluetooth apps on my phone without any type of conflict, especially since they are different versions. I'm thinking that when my phone updated to Oreo, the old Bluetooth app/file didn't get removed.
@TheGs - Have you done a factory reset? If so, how many bluethooth files/versions on phone after reset? I was hoping a reset would fix this puppy. I too am on TMo/H872.

I still have two apps after a factory reset. (I'm just here because I've had bluetooth crashing after the latest OTA from T-mobile.)

UPDATE: having followed the suggestion from @adamz667 above, I changed the AVRCP to 1.3 and so far so good. Bluetooth just connects with no interruptions what so ever. Maybe this will help if you are having simiilar issue.
@lovecomplex - thanks for replying on the number of bluetooth apps you have after reset. Now that I seemingly have resolved my issue I see no need to reset at this point, Good Luck!

got a brand new G6. Bluetooth is broken out of the box. I can't stream anything to any bluetooth devices. Changing it to AVRCP 1.3 under Developer Options made streaming possible but it is choppy. I am on Nov 1 android security patch.
WTF LG? It is brand new, brand new!

Bluetooth problem

Hello to everyone.
From when i bought it the op8pro has some problem with the bluetooth. Is like if the device can connect to one device only. I have a fossil 5 gen, one fiesta mk8 with android auto and the bluetooth headset but is like if the bluetooth has some problem to connect to two or one devices. For example every time my car doesnt connect to the phone automatically and today when i was to the gym my headset doesnt connect automatically too. My previous note 10 pro was able to connect without any problem... Someone has some problem with the bluetooth? Thanks
I have another problem. Every time that i enter in my car the device is connect to android auto but if i want to play an audio from whatsapp i have to tap a lot of time on the play botton.!!!???why

I see this same issue, I'd say 80-90% of the time (the other 10-20%, it "just works", which is truly odd, given the protocol).
For example, I use some bone-conducting open-air headphones, while cycling (long time road cyclist), and sometimes I want to connect my Garmin Edge 1030, to download a route, when I'm out.
Good luck, even upon returning, I'm often sitting in the garage, trying 20+ times (after shutting my headphones off, even), to try and download my ride-data, for the day. Sometimes it requires rebooting both devices, flushing the Bluetooth app-cache, and the Garmin app-cache, and then it'll work, that's perhaps 40% of the time.
For another 40%, it will NOT connect, what-so-ever, across multiple reboots and app-cache flushes, period (I tend to give up at around the 20+ attempt mark, depending).
The last 20%, it works, perfectly, as you'd expect, and as my OP7 Pro did, I can't recall a single BT connectivity issue, with it, either solo (Garmin) or with headphones concurrently.
I've filed bugs with OP (along with NUMEROUS other radio bugs, like the fact you can't connect to a 5G-mobile signal, if you're connected to a WiFi signal, on the INO2025 model, bug filed, trace-logs submitted, including pointing out log-lines where the radio(s) fail).
Unfortunately, with the Bluetooth issues, it will not repro, if I use the OP debug-mode, which is how they want to receive logs (and how I've submitted many bugs, previously), so I'm at a loss, short of finding a hardware Bluetooth debug module (I used to work on h/w and s/w boundary driver stuff, so I've used a h/w BT debugger before, but not for some years, and have no access to one, currently).
OP seems to just ignore the bugs, at that point, when I can't provide the logs, they pretty much abandon the bug-thread, so I'm not sure how they're going to get some of these resolved (I've noted that the debug-mode seems to introduce some latency, or similar, that prevents repro, no response to that, what-so-ever).
I have reset the radio-stack, a couple of times, and did one full factory-reset (shortly after getting the phone, about 1 month back now), with no real change in results, for reference.
I feel like I'm back in the late-90's, when Bluetooth was super-flaky. on most devices, in the 1.x and 2.x days.
Not exactly a "flagship phone experience", or even a decent budget phone Bluetooth experience, for this day and age...
I'm open to ideas on how to debug further, I'm really more of a storage and display guy, and memory-management, in terms of the bulk of my dev/debug skills, communication protocols were something I did on the fringe, of sorts, when they overlapped, or similar.