Bluetooth visibility automatically switched off - P3600 ROM Development

Hi. I've playing for several days with my new trinity and have installed AX3L 2.0.7.0. So far i'm pretty happy with it, apart from a couple of problems:
I cannot get wireless stereo to work. I can connect the pda to my car's stereo, it identifies the HTC as a bluetooth audio device but after a few seconds, it disconnects. If I start playing something while in Wireless Stereo connection, it plays it through the pda's internal speaker.
I can't figure out how to leave Bluetooth's "Make this device visible to other devices" on. I have switched it on a dozen times and a dozen times it has been disabled. I'm not sure if it is disabled whenever I turn bluetooth off or after a certain amount of time. The fact is that it becomes disabled.
I think my last problem has already been covered here, MMS. I've seen a couple of notifications about a MMS being downloaded but there's no MMS in the inbox, i guess there's something blocking it, but that's what worries me least.
Great job, AX3L!

javierin79 said:
Hi. I've playing for several days with my new trinity and have installed AX3L 2.0.7.0. So far i'm pretty happy with it, apart from a couple of problems:
I cannot get wireless stereo to work. I can connect the pda to my car's stereo, it identifies the HTC as a bluetooth audio device but after a few seconds, it disconnects. If I start playing something while in Wireless Stereo connection, it plays it through the pda's internal speaker.
I can't figure out how to leave Bluetooth's "Make this device visible to other devices" on. I have switched it on a dozen times and a dozen times it has been disabled. I'm not sure if it is disabled whenever I turn bluetooth off or after a certain amount of time. The fact is that it becomes disabled.
I think my last problem has already been covered here, MMS. I've seen a couple of notifications about a MMS being downloaded but there's no MMS in the inbox, i guess there's something blocking it, but that's what worries me least.
Great job, AX3L!
Click to expand...
Click to collapse
First, try to install my new rom (2.0.8)....i have cleaned the registry and added some tweaks....maybe bluetooth become working (for you!)...
If not, try to edit the setting using "TweakUI"'s AD2P tab (Settings -> System)

I'll give it a shot this weekend, when i can backup my data so nothing gets lost. (BTW, where is the backup device I used to have with activesync with my old ipaq3970?)
I have searched around to find documentation to understand TweakUI AD2P settings, but i didn't see it around. Any clue whether Joint Stereo Should be enabled, meaning of Bitpool, Audio Gateway numbers?

Try to:
REMOVE the following values from the registry at HKLM\Software\Microsoft\Bluetooth\A2DP\Settings if they are present:
- BitPool
- MaxSupportedBitPool
ADD the following value to the registry at HKLM\Software\Microsoft\Bluetooth\A2DP\Settings:
Name: SampleRate
Value (DWORD): 48000 (decimal)
SoftReset the device and try again

ONLY IN CASE not working....
install the Sleuth255's Patch http://forum.xda-developers.com/attachment.php?attachmentid=31755&d=1165092579
(after install, softreset your device)

Thanks, that did the trick of bluetooth visibility not auto-turning off. Anyhow, it seems there is some kind of incompatibility between Pioneer DEH-P75BT (my car receiver) and the HTC. As a hands free, I have to manually set it from the pda as Hands free so they pair each other, and BT Audio function connects as before, but sound is still played through pda's speaker.
Thanks for the tip, AX3L

Related

stereo bt but mono sound

iam currently using latest rom from dopod and motorola 820, although the two earpiece have sounds it is only mono, can someone help to make it stereo? o recomend what rom to use, thanks
In order to have stereo audio on a Bluetooth device, you need a profile called A2DP, which is currently only supported by the latest Qtek Universal ROM at the moment:
ftp://xda:[email protected]_Updates/UNI_QTEK_13077_176_10900_WWE.exe
Dopod has not released a ROM supporting A2DP yet.
thanks for the help, God bless
No problem. Do let us know whether it works well or not.
it works, i have stereo sound, but need improvements, in a song the bluetoth stops 3 to 4 times when playing, the player dont stop its the motorola 820 that stops several times.
I did come across a post with a patch for the A2DP flaw the other day. It's somewhere on this site - do a search and see if you're lucky.
Found it: http://forum.xda-developers.com/viewtopic.php?t=46811&highlight=universal+a2dp
It worked for me for a little while so try it.
Hi,
I have used A2DP a lot with my JasJar the last 4-5 months, and had written a summary of my experiences with this "lag/stuttering"-issue in another thread here...I have copied the most essential of that text below...might be usefull info for you;
-----------------------------------------------------------------------------------
It seems to be two major factors affecting this "stuttering"/"lag" (from my experiences at least...I have used A2DP a lot with my Universal...couple of hours every day);
1. Universal struggling outputting(RAM/CPU...or both!?)
One help here is to apply the registry "A2DP priority" fix (found it in the forums here...and so did richardlai).
Another is to close all programs before using it (I usually do not do this...I usually only do it in hindsight when I get the problem).
2. Signal between Universal and headset struggling (obstructions between Universal and headset, WiFi nearby, so forth)
I for example get this problem if I put my Universal in my trouser pocket (I know, I must have big pockets, and walk around, I get stuttering/lag occationally. If I then take it out, and hold it in my hand farily still when I walk...no stuttering. I have found, that when I walk, it is Ok to have it in my backpack/rugsack...then for some reason it very rearly stutters...so I usually do that.
But when I walk of the bus at work, and walk into the "campus" of my workplace, which is cramped with radiotransmitters (is norways largest Telecom company)...I get a lot of stuttering, and need to take it out of backpack, and hold it in my hand, at it gets a lot better.
In short: A2DP with the Universal works, but is sensitive to disturbance/obstructions/moving around...and to make it worse, it is also sometimes dependant of the Universal itself struggling with CPU/RAM. So you can not totally get rid of the problem...but you can do a lot to minimize it...I almost never experience it now...except in the campus-area at work that is.
I have BTW had the exact same problems before with Qtek 2020 and Qtek9090 (which I got hold of some "A2DP patches", when I had those devices). ...but I really had a LOT more stuttering with those two...so much so, that I never used A2DP with them on a daily basis.
-----------------------------------------------------------------------------------
I also wrote a short post on my experiences with the different stereo headsets I have...yes, they actually act a little bit different it seems (regarding resume/pause button, and how easy/automatic they "reconnect"). You can see it here; http://forum.xda-developers.com/viewtopic.php?t=47977
Hope this is of some help for you!
RonnyGydar: I came across your little summary a little while ago and have done the registry fix, but the problem still exists! Do you think altering the value in some way would help?
richardlai,
I added the registry value manually...found a reg-file (or was it a CAB-file!?) that supposedly should add it...but when I checked later the key was still not added in the registry?
So I added it manually.
BUT, I do still have the problem...but that seems to be radio interference/distance so forth...since when I hold JasJar in my hand and don't move it around, I NEVER have an problem. ...and actually fairly rearly when I have it in my rugsack/backpack.
With 1 or 2 exceptions...where it lagged "all the time"...but then a soft-reset cured it.
So if you have this problem with your phone lying in front of you on the table...then it really sounds like it is the JasJar/Universal that IS the cause (and not interference)...and yes then the registry hack should help.
BUT I have not done any real testing of the effect of it...I am not sure how much effect it really has...all I know is that I had a "lot of problems" with lag before...and now I almost never have it.
...I hate those "diffuse" problems...when it is impossible to measure in a "scientific" way that "this cures it", and "this do not"! :-(
Sorry about the "little help" I give here...but this issue is a bit "fuzzy"...I have gotten it enough under control to that it isn't a problem any more (during a 1 hour workout, I will typically get this gap/lag 0-2 times...and that is not a problem for me...at least compared to what I experienced 6 months ago, where I was lucky if I could hear 10 seconds without any problems).
The stuttering problem seems to be permanent now... Luckily I have a HP hx4700 (which has a Broadcom bluetooth module) and works perfectly with my Jabra HT620s. Anyone using an A2DP ROM other than Qtek? I'd like to try a different ROM to see if it would make a difference.
only a second of sound
i use the qstarz bt stereo headset (http://www.qstarz.com/products/bh-q392s.aspx) and it works fine for phonecalls, but when i set it for wireless stereo and start a media player (TCPMP, WMP, Pocket Player...) i mostly only get sound for one second and then it shuts up. the players keep playing, the buttons on the headset can pause, resume and change tracks but there is no sound at all.
i get full wireless stereo playback occasionally, but i can't figure out what differs from time to time.
i applied the above patch with no success. anyone has a thought on the matter?
Ariel.
richardlai said:
The stuttering problem seems to be permanent now... Luckily I have a HP hx4700 (which has a Broadcom bluetooth module) and works perfectly with my Jabra HT620s. Anyone using an A2DP ROM other than Qtek? I'd like to try a different ROM to see if it would make a difference.
Click to expand...
Click to collapse
I use the BT620s with my Qtek 9000 without much trouble. Here's the trick:
Assuming you have paired with succes. Set headset and BT OFF before starting.
Turn bluetooth ON
wait a second or two
Turn headset ON
wait another two seconds
Now go to BT settings, and connect the headset.
Wait for the little pling sound (the activesync sound ).
Now start Windows Media Player and play an MP3.
Using this sequence has never failed me
edit:
I use the latest OFFICIAL Qtek 9000 WWE ROM. (Without the ExtROM though ) And i did not use any patches regarding A2DP or Bluetooth.
this is what i tried, many times. i get the activesync sound, sometimes from the speakers, sometimes in the headset, but almost always only one second of sound afterwards.
i found that by pairing the headset to the universal by pressing and holding the green button on the headset untill the universal recognises (doesn't take long) gives better results.
pairing it by the instructions of the headset (putting it in discover mode, and then searching for a device with the universal) will give me the one second sound almost every time.
Biffert said:
I use the BT620s with my Qtek 9000 without much trouble. Here's the trick:
Assuming you have paired with succes. Set headset and BT OFF before starting.
Turn bluetooth ON
wait a second or two
Turn headset ON
wait another two seconds
Now go to BT settings, and connect the headset.
Wait for the little pling sound (the activesync sound ).
Now start Windows Media Player and play an MP3.
Using this sequence has never failed me
Click to expand...
Click to collapse
Well, this has ALWAYS been the sequence I use (and I don't think you can do it in any other way). The real problem here is either the buffer memory or processor load.
richardlai said:
Biffert said:
I use the BT620s with my Qtek 9000 without much trouble. Here's the trick:
Assuming you have paired with succes. Set headset and BT OFF before starting.
Turn bluetooth ON
wait a second or two
Turn headset ON
wait another two seconds
Now go to BT settings, and connect the headset.
Wait for the little pling sound (the activesync sound ).
Now start Windows Media Player and play an MP3.
Using this sequence has never failed me
Click to expand...
Click to collapse
Well, this has ALWAYS been the sequence I use (and I don't think you can do it in any other way). The real problem here is either the buffer memory or processor load.
Click to expand...
Click to collapse
Then there is no A2DP problem, the only solution is to lower the overal systemload. Stop all programs you have running, disable every today plugin that need frequent updating (memory, battery meters etc.) Free up as much RAM as you possibly can. I have AT LEAST 16 mb RAM free when playing music via BT.

A2DP/AVRCP in Crossbow

Hello there.
I'm a newbie to using A2DP/AVRCP, sorry about that, but I have big issues.
I have huge lag when trying it out.
Specs:
HTC Universal
Midget's WM6 (Crossbow)
Radio 1.14
Bootloader 1.01?
Sony DR-BT20NX (really nice ones).
Anyways. I pair it up, no problemo at all. Tried a few calls. Works fine. Selected both handsfree and wireless stereo from profiles ofcourse.
So, I tried playing a movie in TCPMP. Audio and Video stutters every second. Tried playing a MP3 file in Media Player. Audio lag every second.
DAMN!
So, I went in to all these threads about A2DP/AVRCP in the forum (read them before) and checked out fixes etc. Everything seems to already be applied in this ROM. Priority256 value exists (in another folder though as described for another device, HKLM/BuiltIn/Drivers/WavDev I think)
What the heck can I do? I'm not comfortable applying different patches because I think A2DP support in every manner is already applied, so as the registry values.
HELP ME!!
Following the development/information on MS BT Stack change to Widcomm BT Stack on following links
http://forum.xda-developers.com/showthread.php?t=279236
http://forum.xda-developers.com/showthread.php?t=285419
http://forum.xda-developers.com/showthread.php?t=285696
http://forum.xda-developers.com/showthread.php?p=1073003
Any one know more?
Just a thought. Is it possible to deactivate SBC (recoding/decoding) of MP3's?? My Sonys support direct MP3 streaming.
http://forum.xda-developers.com/showthread.php?t=285419&page=20
Tried out BT Stack change for Hermes patch/program.
TEST RESULTS ON UNIVERSAL WITH WM6 (Midget aka Helmi unreleased)
Sound IS great. But other than that, this program does not work very well on my device. Of course this is designed for Hermes but I gave it a shot.
Issues:
1:
Screen flickers (only when this BT is turned on).
Flickers really bad and unable to use device.
Fix: set the device to standby (power button) and wake it up again. Flickering gone
2:
Once BT is deactivated for a few minutes I can't start it again.
Fix: No fix found yet. Only a Soft-reset and directly activate BT works.
3:
I can't use my GSM/UMTS connection anymore. Trying endlessly. Even after soft-reset's I can't connect. WiFi works fine though.
Fix: No fix found yet.
4:
Unable to uninstall this program. Tried several times. I get to the "Soft Reset Device Yes/Cancel". I soft reset, program still there and working.
5:
Hard-Reset, complete setup with WAP, MMS, MAIL etc.
Installed Widcomm BT Stack again.
Soft-reset:
Screen flickering (fix)
No 3G/UMTS connection avalible anymore. Even when BT stack is completly shut down.
We need a specific one for our Universal. Who's up to fixing this for us?
KEEPING this post updated.
EDIT 06: 18:40 @ 21/01/07
ANYONE into programming/developing interested in taking this as a sideproject so all of us Universal users can benefit from this great software?
PS. No, Nuclear (aka Infidel)! Pleace do not participate in other than testing. And if you do, please don't be too exited and write lies/bs in this thread. Thank you. Ta ta
I'm currently using Midget's WM6 with a set of Motorola HT820 bluetooth headphones without any problems.
In fact I've tried a couple of WM6 roms now and both have had working a2dp & avrcp and if anything quality is as good as the AKU3.3 I was previously running.
AVRCP & connecting up seems to be a little more reliable than the last rom as that would occasionally lose the pause control, something I don't think has happened on WM6 yet.
It might be worth trying your device with a different set of bt headphones to see if the problem persists.
Taz69 said:
I'm currently using Midget's WM6 with a set of Motorola HT820 bluetooth headphones without any problems.
In fact I've tried a couple of WM6 roms now and both have had working a2dp & avrcp and if anything quality is as good as the AKU3.3 I was previously running.
AVRCP & connecting up seems to be a little more reliable than the last rom as that would occasionally lose the pause control, something I don't think has happened on WM6 yet.
It might be worth trying your device with a different set of bt headphones to see if the problem persists.
Click to expand...
Click to collapse
Hmm. Headphones shouldn't matter, should it?? It's one thing if the sound in my headphones is bad, but it is the DEVICE that has problems actually outputting to the recoder fast enough. It works fine with the Widcomm!!
Taz69 said:
I'm currently using Midget's WM6 with a set of Motorola HT820 bluetooth headphones without any problems.
Click to expand...
Click to collapse
Did you need to do any extra tweaking on Midgets ROM to get them to work properly?
edeplano said:
Did you need to do any extra tweaking on Midgets ROM to get them to work properly?
Click to expand...
Click to collapse
i've hs-12W. I'm using it with midget's first vanilla crosbbow rom without any problems. without any tweaking.
I have tried the broadcomm stack on WM6 but couldn't get my jabra bt620s stereo phones to connect to both the headset AND stereo profile at the same time - if I connected it to the stereo profile, then it sounded great, with no log, but wouldn't act as a headset. If I connect it as a headset, it works fine, but all audio is mono, even stuff that shouldn't be. Should I be able to get this working for both at the same time?
Worked straight away without needing any tweaking.
Both stereo & phone headset work okay.
Also had Stereo configured with Universal and Phone paired with a hermes since getting a second data SIM and that setup is working okay as well.
Taz69 said:
Worked straight away without needing any tweaking.
Both stereo & phone headset work okay.
Also had Stereo configured with Universal and Phone paired with a hermes since getting a second data SIM and that setup is working okay as well.
Click to expand...
Click to collapse
Thanks Taz!
Is it true that this headset can store two pairing profiles (ie I can have them paired with my Qtek and my PC)?

try to pair 2 bluetooth hands-free devices on one phone

Hello at all,
I've searched a long time for a solution, but I really couldn't find it.
I have an
- Ameo (same like HTC x7500, with original t-mobile WM6 german) and a
- LG Style-i HBM 700 - http://www.amazon.com/gp/product/B001CZICHA , for calling.
I had bought a couple of weeks ago a wunderful bluetooth bracelet LM 959. http://www.lm-technologies.com/ci/index.php?/products/details/38
Both, the bracelet and the Style-i want and could connect to my Ameo over the same profile (phone profile, hands-free).
I've tried a couple of days, but it doesn't run as I want:
I want that the bracelet will shake when the phone is ringing (that's normal).
And then I will accept the call with my LG Style-i. If the call finish, all should go again in stand by.
If the next call arrive, the bracelet have to shake first, and so on.
But reality is hard and bad:
If I power on the bracelet, and power on the LG iStyle the bracelet go in sleep and the LG Style-i is active connect to my Ameo. No action's could make the bracelet function, only if I power off the LG Style-i. But than I couldn't take a call (not with this brick on my ear)
I think both are using the same profile (hands-free). And only one could go in active, or ?
Is there a way to let both function, and as I want ?
I would be lucky for any suggestions.. any idea ?
I'm afraid I can't answer that with any experience, but I think the bluesoleil driver will allow connections to two devices.
When someone with more experience comes along, does anyone know if it is possible to connect two devices with different profiles.
I wish to connect my car kit (HFP) and an audio streaming connection (A2DP), to a kaiser, and keep them both connected.
ping, I want infor on this to for my ameo before I buy the bracelet!!
new status:
I've seen, that all entries in the registry between the braclet and the LG style-i are different. Not the channel entry : both are channel 0x2.
I've changed the channel from bracelet in the registry:
HKLM/Software/Microsoft/Bluetooth/Device/001b3500023b
from 0x2 to 0x1.
Bracelet connect with Ameo furthermore, but situation doesn't changed.
Now I will change the ROM from 6 to 6.1 (from original t-mobile 6 to sogarth 6.1) this weekend.
let me see ...
bad story ... sorry.
I've changed the ROM from original t-mob WM6 to sogarth WM 6.1 ROM but without any changes.
I've no solution to connect the bluetoorh bracelet AND the Bluetooth headset at the same time.
Any other idea's ?
please help ...
Not possible afaik. I personally tried it when I had two Motorola s9s and only one would connect at the same time :S.
Does anyone know if you can connect to *different* profile devices?
I want to connect a HFP device and an AD2P device.
ian_c said:
Does anyone know if you can connect to *different* profile devices?
I want to connect a HFP device and an AD2P device.
Click to expand...
Click to collapse
Hello all,
I'm currently using wm6.1 build 20273.1.3.3 cook (FInixNOver v3.6) on my Trinity with iDream BTSH01 + Nokia BH-102.
The BTSH01 can act as either "Hands Free" or/and "Wireless Stereo" (A2DP).
I can select which mode I want to use on that device by using the standard "Bluetooth Settings-->Device" menu.
The BH-102 is only an "Hands Free" device.
I successfully can listen music on the iDream and make/receive calls with the Nokia.
As you may guess, my main use of these combination is on the car! the Trinity is used as my MP3 player, my GPS and my phone with ear bud, while its battery is being charged.
The BH-102 works very smooth alone! just need to power it on, wait 2-3 seconds to ear the beep and start to use it, even while receiving a call (it happens a lot while I'm driving!).
That particular cook has the BT sound volume adjustment working very well!
The BTSH01 is tricky to pair... I always have to start it in "pairing" mode and do a BT search on the Trinity (I have a button on the "Today" for that!) to have it work properly. If I not do this way, the music is shopped in 500ms pieces !!!
I can only launch the music/sound app (Mortplayer and/or GPS app) after pairing it. If not, the sound goes out through the internal speaker.
By having the BTSH01 decoding music, the HTC becomes slower (still ok for the GPS app)!
Now, combining both... I'm using both since a couple of days and I still have no procedure to have both running ok (BTSH01 as "Wireless Stereo" and BH-102 as "Hands Free") at first shot!
Sometimes the BTSH01 start to decode my calls, sometimes the BH-102 is not able to pair ... it's always been asked the PIN code.
But, once both are up, I have no more troubles and can start my trip!
i'm using an r35 itech set as handsfree...although it can be switched to include a2dp. however, i also have a sony ericsson car kit that's set for a2dp or wireless stereo. thus, when i'm in the car my u1000 automatically connects to the ericsson and thus streams the music. any calls that come i can answer through my r35. when i leave the car, the ericsson then disconnects with my u1000 (either through range or when i shut off the ignition). my r35 is continuously bonded and thus any calls are answered through it.
i don't think it's really possible to connect 2 bt devices with hands free profiles at the same time. i tried that with both my r35 and ericsson kit....if the first device bonded is my r35 a message appears on my ameo indicating an error when i try to set hands free. it only accepts wireless stereo.
cheers
I don't think so. In my opinion it's not possible. u can use stereo.

bluetooth paring problems WM6.5

Yesterdaty I updated to WM6.5 and now try to get everything working again. Somehow my TP2 won't pair with my bluetooth carkit anymore. With WM6.1 this was no problem. The phone still pairs perfectly with my computer (also bluetooth connection) so I think the bluetooth connection is ok.
When parining to my carkit it finds the device, then I have to enter a password on the TP2, and after that it just sais "pairing connection failed", and it will not work. I am sure the password is not changed since yesterday. I tried it several times. I do not know what to do anymore. Could this be a setting somewhere? I get the feeling my password is not send properly but have no idea.
Meanwhile I tried pairing my carkit with another phone and no problems there. So my conclusion is: something has changed with bluetooth, updating to WM6.5 which makes it now impossible to pair my TP2 with my carkit.
Is there maybe a programm for the TP2 which give me more controll over bluetooth (like maybe go to an older standard)?
I have exactly the same problem as you
good to hear I am not the only one. Hope someone will come up with a solution for this.
I did nor observed any issues when pairing my TP2 after reflashing to WM6.5
There is another issue however - I can not hear any voice until it is charging.
Unplugging of the charger fixes this issue immediately. Horrible...
Seems, HTC guys are saving money on testing by using us as Beta Customers.
Would a custom ROM be a solution for us?
I updated to the "energy 6.5.1 rom" and guess what..............
The same problem. The rom is very nice, but my TP2 still won't pair with my BT carkit which is very big problem for me.
Is there maybe a way to downgrade just the BT part of a rom to WM6.1. I read on different forums there is something that is called a BT stack. Could this be the problem?
I have a ton of problems with bluetooth pairing now. However, I don't know whether it's the fault of 6.5 or the Tilt 2. Here is what I am experiencing...
- On car deck or headphones, the skip buttons don't do anything
- on car deck or headphones, I have to disconnect Stereo Audio and then reconnect to actually get sound. It NEVER works when it auto connects.
- Music will do a brief skip when you shut the screen off
- Stupid message about volume control every time it connects (resolved by switching to custom rom)
- SMS or any kind of alert tone now turns music way down so that the tone is the only thing you hear. Which is super awesome when I'm driving my drunk friends around and they are singing along to a song when suddenly it mutes so everyone can hear my incoming text message.
Not a single one of these issues existed when I had my Fuze.
Same here
My bt headset (sony hbh ds970) and simply does not find the pairing...
I asume is a problem related to energy´s ROM
orb3000 said:
Same here
My bt headset (sony hbh ds970) and simply does not find the pairing...
I asume is a problem related to energy´s ROM
Click to expand...
Click to collapse
No I do not think so, because I used the official WM6.5 with the same problem. Does someone know a way around this issue. I strongly believe that if only I could pair I have some options to work with it (in 6.1 it worked like a charm). If I only could pair without having to send the passkey it would be great step forward. I presume with sending the passkey, the bluetooth of the TP2 sends out other "rubbish" that confuses my carkit.
My problem is solved and guess what, it had nothing to do with my TP2. The problem was my carkit. It has a maximum number of bluetooth devices (5) it can pair to and the last one (the WM6.1 version of my phone) had been reached. So a hard reset on the bluetooth carkit and the problem was solved.
Well, at least I now know how to flash a rom to my phone and I think I learned more about the phone reading through all the forums. Thanks all for thinking with me on this problem!
Does anyone else still have this problem?? I have removed all the devices from my car and continue to have the same pairing error just after entering the passcode. Stock Spint ROM worked great, but multiple 6.5 upgrades don"t pair..............suggestions/ideas??????
bluetooth settings, advanced, enable beam data exchange,check the box
Interesting.....I actually found a fix. Instead of pairing the phone with the car, I paired the car with the phone. I didn't even know that this was possible, but it did the trick!

bluetooth LAG

I found some registry changes to resolve a lot of the bluetooth issues as far as the connection disconnecting after 1 ring, the hangup issue, etc.. HOWEVER.. now I have an issue with LAG where when connected to bluetooth, after a while the phone will lag and you can see everything moving in slow motion.. if I disconnect the bluetooth then the phone speeds back up.. ANY IDEAS? the only device I see this NOT happening with is my STEREO BLUETOOTH HEADPHONES MOTOROLA S9... Here is what I changed:
1. Modify the HandsFree plug-in:
HKLM\Software\WIDCOMM\Plugin\HandsFree
i. Change SupportedFeatures to 45 (default is 1135)
ii. Add value HFBDA binary, set to same value as LastConnectedBda
iii. Add value HFDeviceType decimal 2
2. Modify the WIDCOMM bluetooth general settings:
HKLM\Software\WIDCOMM\BtConfig\General
i. Change bdaddr to (no value)
ii. Change DisableReopenAudio to 0 (default is 1)
If anyone can figure out how to resolve the bluetooth LAG I would appreciate it....
anyone have a fix? also now the last received, last called and missed do not grab info from the phone.. it only shows the calls I have made using the bluetooth device...
I have noticed a similar lag, and, on my end it's not so much after a phone call, but after anything associated with BT (I use a Moto HX-1).
Does not do it all the time....If I am in the middle of doing something with the phone, and I get a notification through the ear piece (voice command), everything starts to stutter. Side note, at times, the silly phone heats up, and battery starts to drop.
I reran an OLDER rom for a couple days, and didn't have ONE issue.
Sounds like something in the later rom builds has changed something in the BT?
I've also noticed this recently. Whenever the phone is hooked up to my in-car bluetooth (Audi), it runs like an absolute dog. As soon as it disconnects, it runs fine again. This is most frustrating as it can make the phone unusable when connected to the car kit.
Anyone gotten to the bottom of this yet - is it an issue with a newer bluetooth stack or something?

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