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Bluetooth issue P3100 , pairing window reappears every 5 seconds

I have a Samsung tab 2 P3100, this is my first android device! i bought it for the sole reason to connect to my car's OBD.(On-Board Diagnostics) via a Bluetooth obd adapter
[ELM327 E-327 v1.5 Interface Bluetooth OBD2] using Torque app pro on Google play.
The problem is , it connect and pairs with the tablet the adapter is displayed as paired in Bluetooth settings!
but when torque pro is opened I choose connect via Bluetooth , a screen keeps appearing every 5 seconds please enter Bluetooth pin. the same happens if i use another application like palmers dashcommand to connect to the Bluetooth OBD.
i was told this is a Bluetooth driver issue with Samsung, i am on ICS. what can i do to fix the issue. PLEASE HELP!

Some experiments
1- if you are in ics 4.0.3 try to upgrade to 4.0.4
2-use stock only no cyanogenmode or so
3-send email to developers of the app containing system info and bug report and request solution
4- try remove pairing and reboot tablet and pair again
Sent from my GT-I9100 using xda app-developers app

thegod22222 said:
I have a Samsung tab 2 P3100, this is my first android device! i bought it for the sole reason to connect to my car's OBD.(On-Board Diagnostics) via a Bluetooth obd adapter
[ELM327 E-327 v1.5 Interface Bluetooth OBD2] using Torque app pro on Google play.
The problem is , it connect and pairs with the tablet the adapter is displayed as paired in Bluetooth settings!
but when torque pro is opened I choose connect via Bluetooth , a screen keeps appearing every 5 seconds please enter Bluetooth pin. the same happens if i use another application like palmers dashcommand to connect to the Bluetooth OBD.
i was told this is a Bluetooth driver issue with Samsung, i am on ICS. what can i do to fix the issue. PLEASE HELP!
Click to expand...
Click to collapse
Got the same problem, don't have any idea, i tried on G-note, 7+, S3 it works properly....Need help

Same problem, it all works but the pairing requests every 5 secons are plain annoying
I am using MildWild 5.x for HTC desire
works fine on my old D2

same problem

[Q] bluetooth pairing issue, how to solve?

Hello, so i bougth this great phone, but bluetooth pairing(+autoconnect) is not working at all.
So to the proplem. My opo IS paired with my alpine car stereo, but everytime i go to my car opo asks IF i want to pair it...and obviously it should just connect automatically since i have paired it earlier but no.
Is this some known issue with opo or my device just making me headtache?
IF anyone have had same proplems i would love to hear how you managed to fix it.
PS. All my old phones automatically connected to car stereo after pairing once, so its most definatly opo issue and not the alpine stereo.

Okey, i got this solved by doing 2 things, but because im stupid and didnt test it between these actions i cqnt say which one did the job or was both needed.
1. I cleared "paired devices memory" from my alpine stereo.
2. I cleared paired device list from my handset(opo)
Hope this will help someone else in future who got proplems with alpine receiver and opo.

Problem solved! bluetooth pairing and buffering issues
Hey problem solved
I had bluetooth pairing and buffering problems and now everything works perfectly. what I did was flash OPO_OxygenOS_1_0-modem-flashable.zip (you can find it somewhere in google docs..don't remember the link)
anyway after doing that everything works perfectly.
I am running cyanogen 12.1 nightly build from 20150601
then I flashed the modem.
makkeonmies said:
Hello, so i bougth this great phone, but bluetooth pairing(+autoconnect) is not working at all.
So to the proplem. My opo IS paired with my alpine car stereo, but everytime i go to my car opo asks IF i want to pair it...and obviously it should just connect automatically since i have paired it earlier but no.
Is this some known issue with opo or my device just making me headtache?
IF anyone have had same proplems i would love to hear how you managed to fix it.
PS. All my old phones automatically connected to car stereo after pairing once, so its most definatly opo issue and not the alpine stereo.
Click to expand...
Click to collapse

oohh
AlonAsh said:
Hey problem solved
I had bluetooth pairing and buffering problems and now everything works perfectly. what I did was flash OPO_OxygenOS_1_0-modem-flashable.zip (you can find it somewhere in google docs..don't remember the link)
anyway after doing that everything works perfectly.
I am running cyanogen 12.1 nightly build from 20150601
then I flashed the modem.
Click to expand...
Click to collapse
Technical solution...too much ?

Hello All,
I too was facing issue with the Bluetooth connectivity. My headphone "Jabra Halo Smart" worked perfectly fine with other android devices but my OnePlus One. Issue i faced was that my at times my headphone would get detected but the headphone controls wont work. It was really irritating as i could not use the functionality of my headphones.
What i did was went into the Bluetooth options. Clicked on the setting icon beside my headphone and unchecked and rechecked the options.
Another action i performed was un-pairing the Bluetooth headphones from my device and resetting my headphones paired setting.
Third option was resetting the Jabra app that i installed on my mobile.
Fourth action is restarting your OnePlus device.
The above actions i performed in different orders. So one of them should surely help.
Suggestion provided by OnePlus Call Center: (which i did not need to try )
--> switch off the device
--> Press power+vol down button simultaneously
--> Select English language
--> wipe cache partition
--> wipe cache
--> reboot device
Advice while using Bluetooth headphones or speakers (especially Bluetooth devices having the functionality to connect multiple devices)...switch off the Bluetooth device and then switch off the Bluetooth of the host device (mobile, laptop, etc) and then connect the Bluetooth device to the other host device
Do not keep two host devices Bluetooth on...at times it causes to store the connection setting in the cache causing the Bluetooth device to act strangely. :cyclops: :cyclops: :cyclops:

Bluetooth paired devices - disable multimedia sound on Huawei

Hello,
I have a simple case:
- I have PX5 radio in car
- and Huawei Mate 20 Lite as a phone
Both devices are paired with bluetooth.
Since PX5 radio is full Android device that can run Google Play apps itself.
I would like to use bluetooth only for calling and as trigger for Tasker(start WiFi hotspot).
But since it is possible my phone sends also multimedia sound(but it won't be played on radio, since specific app for A2DP is not working - and I'm fine with that), I would like my phone to simply play multimedia itself, not via bluetooth.
I know it is possible in vanilla Android(https://fscl01.fonpit.de/userfiles/6983662/image/androidpit-lollipop-bluetooth-forget-w628.jpg) but since Huawei has it's "awesome" custom settings menu it is not there, do You guys have any idea how to change that settings?
ADB or any application would be great.
I'm not interested about any solution with root.

Apparently there is small "i" button on the right of paired device in bluetooth settings - not that easy to click(because when I tried to hit it for a first time I couldn't hit it correctly - that why I created that topic) - where You can change what sound is passed via bluetooth.

Erisin ES8049U PX5 Bluetooth strange behaviour

Hi there,
Have read similar threads in the forum, but have not find enough information to resolve my issue.
I have one of the latest Erisin ES8049U unit, with Android 9, Octa Core Cortex A53 1.5 Ghz,
BT works fine with the OBDII adapter (a bit slower in live data transfer, compared to my old BB Passport phone), maybe for a month. Suddenly, the BT pairs to OBDII, but does not respond. OBDII apps like Torque says there are no respond from the adapter.
In the mean time, BT pairs without any problems with my old BB Passport phone and can be used for hands free calling and music streaming with all controls working. Ha!
BT cannot be turned off via icon from the fade menu. I cannot delete BT devices history also. Cleaning cashe, forcing BT apps to stop also does nothing. I have done hard reset, which brings me nothing but apps lost. After hard reset, the BT keeps devices history, which seems to be strange?.
Tried to replace the BT adapter with another one in Factory Settings menu (3368 code), also tried all possible settings.
OBDII ELM327 dongle works without problems, when I pair it with my phone or other device.
BT module board is SD-936.
Should I upgrade to another ROM, any ideas will be appreciated.
Thanks,
Kalin

The things I have done so far with no result:
- pairing code changed from 0000 to 1234;
- cleaned BT cache;
- reloaded factory software';
- removed car battery for 24 h;
- erased wifi and bluetooth settings;
- removed all paired devices;
Most strange things is that I have managed to run the ELM once, then again I have lost it. Using additional bluetooth app shows me something weird - even with ELM removed from OBD connector, seems like the headunit keeps in it memory the device? Even when removed, most programs shows that the ELM is alvailable for pair?

Did you find the cure for this? I have similar Bluetooth issues to my OBD2 system

ka-lin said:
The things I have done so far with no result:
- pairing code changed from 0000 to 1234;
- cleaned BT cache;
- reloaded factory software';
- removed car battery for 24 h;
- erased wifi and bluetooth settings;
- removed all paired devices;
Most strange things is that I have managed to run the ELM once, then again I have lost it. Using additional bluetooth app shows me something weird - even with ELM removed from OBD connector, seems like the headunit keeps in it memory the device? Even when removed, most programs shows that the ELM is alvailable for pair?
Click to expand...
Click to collapse
=========================
Can you share how to cleaned BT cache?

Question Mekede m300s bluetooth OBD2 help

I tried searching but found nothing relevant. I have a m300s 3gb ram 32gb rom Qled installed in my vehicle it works flawlessly but I have a Bluedriver OBD2 adapter that I would like to use to avoid purchasing another OBD2 device. On my phone I turn on Bluetooth I open the Bluedriver App and scan for the adapter and it pops up and you hit connect. So I downloaded the app on the head unit and open it and scan but nothing comes up. I have downloaded some other bluetooth apps and they see the device but I can't connect with the app still. Is there a workaround or configuration I can try to get this adapter to work? Or does someone have a recommened one that works with the unit. I'd love to use the bluedriver one because of the built in solutions they have for codes and problems with the vehicles.

You need to go in factory settings and enable OBD. Password for factory settings is 3368.