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I'm already looked for 3 days all over the internet and can't seem to find the fix.
Issue:
AT&T Note 3 + 2013 BMW X5 paired and happy for 6+ months using BME bluetooth and headset no problems. Phone paired, bluetooth always connects, all functions (phone, messages, music etc all work).
Early March, noticed that when connected to BMW, as soon as screen dims during call, both the bluetooth connection and headset icon stay active but the phone drops into handset (ie phone's own speaker/mic) and although bluetooth remains connected and headset icon on, the sound is now via phone. Touch phone and screen lights up, everything is fine again until screen dims, then repeat fiasco.
Can't find offending issue or setting. Could have been an app or app update.
So, to fix, flashed car into latest BMW updated firmware.
Tried again, same issue.
Then update phone to KitKat.
Tried again, same issue.
Yes, the proximity sensors are off and yes phone is set to not dim when on call. Still does.
Can't figure out why this is happening. Seems to happen quicker with Powersaving Mode on.
Any ideas??
I am now resorting to trying some of the Apps that keep screen lit while app is running....
Phone is OEM (ie not rooted) stock AT&T GN3. Also, previously, the phone would sit on passenger seat or console without any proximity settings and do just fine until this started happened. I suspect it is some kind of app or update that has caused the phone to behave like this. The problem is the phone.
TIA
Same issue with my Honda Accord, paired with bluetooth, phone will become unresponsive for 2-5 min when playing music, but then I formatted the phone and since then no issues.
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
Something I noticed today while driving was my Bluetooth audio would cutout every few minutes. It only happened on my Nexus 5 with an alpha ROM, but was fixed later. Anyone else notice this?
gakio12 said:
Something I noticed today while driving was my Bluetooth audio would cutout every few minutes. It only happened on my Nexus 5 with an alpha ROM, but was fixed later. Anyone else notice this?
Click to expand...
Click to collapse
On the new moto x? No, I just had a couple hour car ride with zero issues listening to Play Music and Slacker Radio. Made a few calls, no issues either.
This happened to me on a 20 mile bike ride. Horrible having choppy audio for almost a few hours
I just noticed this too. I do have a Moto 360 as well so maybe that is messing with the blueooth? I have gone a couple car rides and it's perfect, and others it's really choppy.
This does seem to be a problem with me too. Sometimes perfect and sometimes not. When connected to Bluetooth I notice that Google maps speaker goes in and out as well as moto voice while driving
I can confirm that if you have a 360 this is the cause. You can verify this by disconnecting the 360 through wear and the problem going away. For now what I have due is set up an IFTT to disconnect wear when by car's Bluetooth is connected.
I actually don't have anything else connected via Bluetooth and it still happens to me.
I figured it out. I was driving and I turned off Bluetooth completely and the voice worked perfectly. As soon as I connected back to Bluetooth the voice got choppy again...
I looked over in the Note 3 forums, and users were experiencing the same thing. Someone said to listen to music with the screen on to fix it. Today I listened to music with the screen left on and sure enough my music didn't stutter once the whole car ride.
This leads me to think either the processor is getting clocked too low for playing music through A2DP when the screen is off, or perhaps active display makes it stutter whenever it activates. I will look into it further today.
In the mean time, does anyone know of a processor control app that will change the minimum processor clock if bluetooth is connected? Perhaps there is one with a tasker plugin.
I'm experiencing the same issue, really sucks.... I'll try disconnecting the Moto360 on my drive today and see if that fixes it - although I swear I've had the issue before while it wasn't connected.
gakio12 said:
I looked over in the Note 3 forums, and users were experiencing the same thing. Someone said to listen to music with the screen on to fix it. Today I listened to music with the screen left on and sure enough my music didn't stutter once the whole car ride.
This leads me to think either the processor is getting clocked too low for playing music through A2DP when the screen is off, or perhaps active display makes it stutter whenever it activates. I will look into it further today.
In the mean time, does anyone know of a processor control app that will change the minimum processor clock if bluetooth is connected? Perhaps there is one with a tasker plugin.
Click to expand...
Click to collapse
SetCPU could possibly do this. You can definitely set the minimum CPU clock, but I'm not a 100% whether you can get it to do this WHEN a bluetooth device is connected. SetCPU has a profiles where you can define certain parameters based on conditions.
Of course, before you can get SetCPU working you'll need to root your phone and I have a suspicion that all other CPU clock apps will need root access too.
Has anyone had any luck resolving this?
gakio12 said:
I looked over in the Note 3 forums, and users were experiencing the same thing. Someone said to listen to music with the screen on to fix it. Today I listened to music with the screen left on and sure enough my music didn't stutter once the whole car ride.
This leads me to think either the processor is getting clocked too low for playing music through A2DP when the screen is off, or perhaps active display makes it stutter whenever it activates. I will look into it further today.
In the mean time, does anyone know of a processor control app that will change the minimum processor clock if bluetooth is connected? Perhaps there is one with a tasker plugin.
Click to expand...
Click to collapse
I'm hoping that either an OTA or Android L will fix this. My Moto X is fine when I'm using my Motorola S11-HD headset, but when connected to my car it goes in and out every few seconds.
So it isn't the processor. So far i have it down to either Wi-Fi or active display. Will report more when i find it.
Turning Wi-Fi off while connected to my car Bluetooth has fixed the issue for me. At least, so far it has.
I'm using PowerAMP for playing music and when I enabled the "high priority" setting in the headphone/bluetooth settings it seems to have resolved the problem until today. This morning on the way from work it started to cut out every few seconds. grrrr...
I have 2 bluetooth adapters in my car, one which takes only phone audio and one which takes phone and media audio, the latter one continously drops and reconnects phone audio (even after forgetting the other device), which makes me believe it is some hardware compatibility issue
I have posted on the official Motorola Forums but I though I should re-post here as well becuase well....XDA fixes things.
So I just purchased a Moto X 2nd Gen Pure Edition as an upgrade to My 1st Gen Moto G. Both phones have the same problem with the Bluetooth Audio sounding like a scratched CD skipping and studdering and it seems to be way worse a problem on the Moto X than I ever had on the Moto G. It's not buffering it happens with music on the phone. It doesn't happen every time I'm in the car but I'd say 50% of the time.
I would think it's the car but before the Moto G I owned a Galaxy Nexus and never had the problem as far as I remember. I'm sure I would remember it's really really annoying. I have even tested with a friends HTC M8 over a long road trip and there seemed to be no issue there. In my car (2011 Subaru Impreza) with the G or X after a time it eventually starts skipping even if it takes a couple hours.
So I did some research before and have tried various things.
I have disabled the Wifi while connecting to BT as Motorola has recommended to owners of other phones. That didn't help them it doesn't help me.
I have removed all other BT devices from the phone while connected. Nope
I have removed the Phone in the profile so my car doesn't try to use it as a phone as well at the same time. Nothing
I have done all of the above at the same time stopped every other program other than Google Music and added the phone to my car fresh and I still have this issue.
During my research about my car the only complaints similar I found seem to come from someone else with Moto phones. I dont' know what they do special with their Bluetooth but it's not helping me out.
You could try to upgrade your car's firmware. Some dealers do this for free, with some cars it is easy to do yourself
godutch said:
You could try to upgrade your car's firmware. Some dealers do this for free, with some cars it is easy to do yourself
Click to expand...
Click to collapse
This is what fixed the audio in my Mustang with Sync. The Ford dealership did not charge me anything for them to do it.
Sent from my XT1095 using Tapatalk
Hi, I Have strange problem with my brand new Xperia Z3 Compact. I streams my music from Z3C to my Pioneer MVH-X360BT car audio. Every few minutes there is a gap in stream that lasts for maybe half a second. That's very annoying! Music is still playing during this gap but I can't hear it. I had similar problem with Xperia Z1 but I thought it was some problem in old Android and some bug in BT driver. Then I've had iPhone 5s and it worked like a charm! No gaps, no problems with BT. Now I've returned to Android and I'm starting to regret this :/
I've checked everything I could. I've turned on BT visibility, turned off Wi-Fi, checked if no notifications couse this. I've even flash clean stock firmware (originally phone came with branded firmware). Nothing. I've tested many players (Walkman, Power Amp, Player Pro, Double Twist etc). Nothing. I though that maybe problem is in my SD card (I store my music on external card), but: 1) it's very fast card 2) copying music to internal storage didn't change anything. Sound still has gaps. I don't now what to do I'm sure that my car audio is ok (iPhone works), today I've tested SGS5 with it and it worked well too. Problem is only with Xperia family (reminder: same problem on Xperia Z and Xperia Z3 Compact).
Any clues? I hate changing my phone again and I love battery life on Z3C (main reason I left iPhone).
Please help!
rozbit said:
Hi, I Have strange problem with my brand new Xperia Z3 Compact. I streams my music from Z3C to my Pioneer MVH-X360BT car audio. Every few minutes there is a gap in stream that lasts for maybe half a second. That's very annoying! Music is still playing during this gap but I can't hear it. I had similar problem with Xperia Z1 but I thought it was some problem in old Android and some bug in BT driver. Then I've had iPhone 5s and it worked like a charm! No gaps, no problems with BT. Now I've returned to Android and I'm starting to regret this :/
I've checked everything I could. I've turned on BT visibility, turned off Wi-Fi, checked if no notifications couse this. I've even flash clean stock firmware (originally phone came with branded firmware). Nothing. I've tested many players (Walkman, Power Amp, Player Pro, Double Twist etc). Nothing. I though that maybe problem is in my SD card (I store my music on external card), but: 1) it's very fast card 2) copying music to internal storage didn't change anything. Sound still has gaps. I don't now what to do I'm sure that my car audio is ok (iPhone works), today I've tested SGS5 with it and it worked well too. Problem is only with Xperia family (reminder: same problem on Xperia Z and Xperia Z3 Compact).
Any clues? I hate changing my phone again and I love battery life on Z3C (main reason I left iPhone).
Please help!
Click to expand...
Click to collapse
I have BT headphones and I am not experiencing those issues at all. Could it be that your phone goes into some kind of sleep mode and then wakes up again? Try with some app that keeps your phone constanly awake/screen on. Does the issue persist? Can you try out any other BT audio devices and report if the same problem exists?
2mal16 said:
I have BT headphones and I am not experiencing those issues at all. Could it be that your phone goes into some kind of sleep mode and then wakes up again? Try with some app that keeps your phone constanly awake/screen on. Does the issue persist? Can you try out any other BT audio devices and report if the same problem exists?
Click to expand...
Click to collapse
Huh, I've turned off the 'Queue data in background' (I have polish locale and I don't know how this option is in english so I translated it literally) option in power management settings. Nothing has changed Also nothing has changed while I was driving car with Google Maps navigation (or Waze) turned on. Still gaps were present.
Unfortunately I don't have any other device that I could test my phone with Only other phones (and all phones works great).
I think I have to change Z3C to another phone, maybe SGS5 (but I don't like Samsung...)
Ehh, tough one
2mal16 said:
I have BT headphones and I am not experiencing those issues at all. Could it be that your phone goes into some kind of sleep mode and then wakes up again? Try with some app that keeps your phone constanly awake/screen on. Does the issue persist? Can you try out any other BT audio devices and report if the same problem exists?
Click to expand...
Click to collapse
Hi there, I'm facing the EXACT same problem with a few minor differences in the setup:
I'm connected via cable to a philips CEM210. This so called "gap" usually happens when I skip a track(or when the next track comes on automatically).
I have recently purchased the kinivo btc455 and will let you know tomorrow if the issue persists on the BT device.
I actually think 2mal might be on to something here I use stamina mode regularly and I have rooted my device and change tracks via the volume keys.
So the issue might be the phone wakes up periodically (skip track? check notification queue?)
Sydrox said:
Hi there, I'm facing the EXACT same problem with a few minor differences in the setup:
I'm connected via cable to a philips CEM210. This so called "gap" usually happens when I skip a track(or when the next track comes on automatically).
I have recently purchased the kinivo btc455 and will let you know tomorrow if the issue persists on the BT device.
I actually think 2mal might be on to something here I use stamina mode regularly and I have rooted my device and change tracks via the volume keys.
So the issue might be the phone wakes up periodically (skip track? check notification queue?)
Click to expand...
Click to collapse
I have all power safe options turned off. Notification queue is empty. I have this problem only via BT. When listening with phone connected to radio by USB, everything is ok.
rozbit said:
I have all power safe options turned off. Notification queue is empty. I have this problem only via BT. When listening with phone connected to radio by USB, everything is ok.
Click to expand...
Click to collapse
Try this app while you listen to music over BT : https://play.google.com/store/apps/details?id=com.synetics.stay.alive
Still gaps?
Also I have Viper4android installed, dont think this would make a difference since it also worked before but its worth a try.
Get the apk from here and follow the instructions : http://forum.xda-developers.com/showthread.php?t=2191223
I assume your device is rooted as it only works on such.
Speaking of weird bluetooth bugs, my music has been playing in fast-forward occasionally (cm12). I have no idea why this happens or how to fix it, so if anyone has any ideas I'd greatly appreciate it.
2mal16 said:
Try this app while you listen to music over BT : https://play.google.com/store/apps/details?id=com.synetics.stay.alive
Still gaps?
Also I have Viper4android installed, dont think this would make a difference since it also worked before but its worth a try.
Get the apk from here and follow the instructions : http://forum.xda-developers.com/showthread.php?t=2191223
I assume your device is rooted as it only works on such.
Click to expand...
Click to collapse
Stay Alive didn't help. There are still gaps once for a audio track.
My device isn't rooted so Viper is not an option :/
Thank you, though
rozbit said:
Stay Alive didn't help. There are still gaps once for a audio track.
My device isn't rooted so Viper is not an option :/
Thank you, though
Click to expand...
Click to collapse
Hmm , last idea , try turning the timeout for visibility option in the bluetooth menu (in the right corner on the bottom when bt is turned on) to no timeout.
2mal16 said:
Hmm , last idea , try turning the timeout for visibility option in the bluetooth menu (in the right corner on the bottom when bt is turned on) to no timeout.
Click to expand...
Click to collapse
That was the first thing I did. No effect, of course.
Sad but true - I have to get a new phone. And this time no Sony
rozbit said:
That was the first thing I did. No effect, of course.
Sad but true - I have to get a new phone. And this time no Sony
Click to expand...
Click to collapse
Jeah too bad i could not help, what you could try is go to a store and ask them whether you could try out some BT headphones, with the pretext of buying them ofc . If the issue is still present then it may be hardware related and an exchange unit could work just fine. Otherwise it points to some incompatibility issue that could maybe fixed somehow but not by me and my current expertise . Especially since i am not experiencing the same. Wish you the best and good luck !
I use a Bluetooth headset (mw600). Started with a nokia n900 and it had frequent gaps, probably due to wifi/interference. With the Z3C started with no gaps but now get few most likely when it leaves any wifi connection (hotspots).
Since you have tried all options on the phone side, it seems to be an issue with the particular car stereo. How about you reset the stereo by removing all power sources to it then pair the phone as a fresh new device and check if issue continues?
I have a similar issue. It seems like a head unit problem for me. Many problems there are with Pioneerer Head Units. Please don't buy this brand...
Have same problem with my Z3 and pioneer car sound.... No issues when i used samsung devices... Now i have a Z3 and the sound fails all the time....
I have 2 headsets bluetooth and i dont have any trouble....
The problem is between sony devices and pioneer!!!
Help!!!
This is not just between Sony and Pioneer. I have a Cardo Scala G9 BT headset for motorcycles, and never had a problem with my Nokia 808 for music streaming, nor my Nokia X2 DS (strictly used for GPS, no SIM).
Now that I bought my Z3C, I have this random gaps of silence while streaming music. Extremely annoying. Even after rebooting the phone, no resolution. Thought maybe there are some bugs with 5.1.1, so I went ahead and updated the firmware on my G9 from 1.6 to 2.1. Still same issue.
Another issue I found with the Z3C: When music streaming is playing, and I get a text message or a new email, the music volume lowers, but no notification sound comes through, before the music volume resumes. On my other phones, when I get a text message, the music volume goes down, and I hear the audio for new text, email, or whatever.
It is extremely annoying. Anybody know how to resolve first and second problem I listed?
Not a Sony issue. Had this with an lg g3 on a kenwood car stereo and the same with the z3c. Seems to be an android issue, as it didn't happen with ios. I am not 100% sure, but I think it only started with lollipop, because I had an htc one m7 before the lg and I don't remember ever having this before...
Yeah, I am inclined to agree with you.
With my Acura, the music has zero gaps. But when I am on a hands free call, I get the gaps! So it must be something buggy with how Android handles one of the BT channels. It is extremely annoying. And on the hands free calls, when the gap happens, my telephony audio goes to the phone. And when I try to switch it to BT mode, nothing, until the gap ends. Then I can switch back to BT mode. This is extremely frustrating.
Bump. I've been having this problem for months. I had it in KitKat too and it happens with any Bluetooth device. It always happens in specific parts in my route (place I go to often), even though I may have never connected to WiFi there or WiFi is off. Could it have something to do with GPS activity?
Any solution for this strange problem?
xperts help please!!!
msbearbr said:
Any solution for this strange problem?
xperts help please!!!
Click to expand...
Click to collapse
Hello everyone!
I also have exact same problem with my Z3C and... Sony's MEX-N5100BT, there's a couple miliseconds gap while the music is playing. The best part is that while I'm talking through the radio's built-in BT Phone, the audio never has this gap... or I haven't heard that since I'm using this radio.
But you know what? This happens so rarely that I just ignored it and got used to it and I recommend you to do the same
Hi everyone, main issue plaguing my N6 experience here... upgraded not too long ago from a G3.
There seems to be bluetooth stuttering with this phone. It is something that I haven't run into in any other phone (HTC One M7, M8, LG G3). I'm connecting to the car stereo and it connects calls okay, but when I connect it to a friend's car stereo (Sony stereo.. don't know the model #) or any of my bluetooth headsets (Sony MDR10BT primarily) I will get stuttering when trying to listen to music.
The main thing I noticed is the stuttering only happens when I have something in front of the device. I put it in my pocket and the stuttering starts. I wave my arm in front of it (in between the headset and the device), it will stutter.
I've looked around for solutions on this issue, no solution in sight. I think it has to do with the radio not getting enough power, this was never an issue with any of the other phones.
FAQ:
-I'm rooted, running stock kernel & Chroma 2015-06-05 build. Note this happens on Euphoria ROM as well.
-No, I'm not using a smartwatch
-This happens when the WiFi is both on and off
-This happens when screen rotation is set to automatic or portrait only
-Bluetooth is not being logged
-My jeans aren't sewn with any radio blocking materials
This has been driving me crazy. I noticed it seems to be much better with Developer M.
It only happens with my bluetooth headphones when I'm walking, so your description makes sense. It's the only time I really have my hands on my phone when using bluetooth.
When I'm using it for car audio, I have it in a dock. When I'm using a bluetooth speaker, it's on a table or desk.
I'll have to try some stuff out and see if it makes a difference, but as I said, I just switched to M and it seems to help.
Maybe hardware issue
I am experiencing the same behavior with a non rooted stock up to date Android on the nexus 6. It will sometimes stutter to the point where it just stops working and I have to restart the phone for Bluetooth to be usable again.
I just got a 128 GB OnePlus 3T a few days ago to replace a dead Nexus 6P. So far I'm very happy with the phone (performance, screen, etc, camera is almost as good, blah blah) except one thing.
My bluetooth is completely nuts. Sometimes I will turn it on via Settings or Quick Settings and it will not turn on at all (the slider moves to the right but stays greyed out, then moves back to the left). Other times I am "luckier" and it switches on and begins scanning, and I can see devices in the area. I pair to a speaker dock via NFC or my wireless headphones via tapping on them and the connection is established, you can hear the speakers go "hey something connected".
So that's all fine. But then you start playing music. About 40-60 seconds in it will skip, crackle, or pause the music entirely. Sometimes the device makes its disconnect noise immediately followed by its reconnect noise. At this point pressing 'play' again starts the cycle over again, usually, or sometimes it will just refuse to "talk to" anything any more until you reboot the phone.
The phone came with OOS 3.5.4 out of the box and immediately got an OTA to 4.1.1. I was suspect about the upgrade procedure and sighed and did a full reset and re-flashed the full 4.1.1 image using adb sideload, logged back in, did the barest of minimum updates to the Google apps to make it stop complaining, and then tried music again. More skipping and pausing. My headphones have a volume up/down key on them, pressing that pretty much immediately results in a disconnect.
It's like the AVRCP (command) bluetooth protocol is "fighting" the A2DP audio stream protocol? It doesn't make any sense. This would also explain why my car audio has NEVER worked, because my head unit uses AVRCP to read track names and my headphones and speaker dock don't have any sort of screen to speak of.
I want to love this phone and don't want to pay double for a similar Pixel, but I might just have to return it if it's effectively useless at one of the main things I have a phone for! :crying:
Hmmm...My Bluetooth connection never have that issues. I used Bluetooth headphones and my car head unit. Running oos 4.1.1 as well.
Try dirty flashing your ROM, there might be something wrong with the drivers. Bluetooth commands (volume, pause, voice assistant, skip, etc.) work find on my headset, I don't believe its a compatibility issue.
If that fails, it might be a hardware defect?
I don't have problems with Bluetooth im using sony wireless earphones everyday. Try reformat the phone
Hi!
Android Nougat has heavy issues regarding bluetooth connectivity. If you Google it you will see...
I have the very same Problems like you with my car radio...
This must be finally adressed by Google.
Assassin1985 said:
Hi!
Android Nougat has heavy issues regarding bluetooth connectivity. If you Google it you will see...
I have the very same Problems like you with my car radio...
This must be finally adressed by Google.
Click to expand...
Click to collapse
Huh? Must be an compatability issue between the BT device and your phone. I have 6 active BT devices I use all the time with this phone and my tablet. Car stereo, fitnessband, speakers and inear plugs.
Only issue I sometimes face is the 'stuck in connecting to last used device' where BT needs to be turned off and on again. Wouldn't call it a heavy issue.
bluetooth perfect here. better than my lg g3 that i had previous.
So, more info. If 2.4 GHz WiFi is active in ANY WAY, the bluetooth goes nuts. AVRCP (bidirectional commands) make it worse. Putting the phone in airplane mode to disable the "ambient" wifi location scanning and such, then turning bluetooth on manually and playing some downloaded music, seems to work fine. Switch the WiFi on though (even though my access point is 5 GHz), bam down the toilet. Ugh.
I did a complete reset and flashed OOS 4.1.1 from adb, no improvement. I'm trying the Open Beta 4 right now but I doubt it will be any better.
Did you turn off the scanning feature?
Happens to me like once every 3 days. I usually reboot by then
evilspoons said:
I just got a 128 GB OnePlus 3T a few days ago to replace a dead Nexus 6P. So far I'm very happy with the phone (performance, screen, etc, camera is almost as good, blah blah) except one thing.
My bluetooth is completely nuts. Sometimes I will turn it on via Settings or Quick Settings and it will not turn on at all (the slider moves to the right but stays greyed out, then moves back to the left). Other times I am "luckier" and it switches on and begins scanning, and I can see devices in the area. I pair to a speaker dock via NFC or my wireless headphones via tapping on them and the connection is established, you can hear the speakers go "hey something connected".
So that's all fine. But then you start playing music. About 40-60 seconds in it will skip, crackle, or pause the music entirely. Sometimes the device makes its disconnect noise immediately followed by its reconnect noise. At this point pressing 'play' again starts the cycle over again, usually, or sometimes it will just refuse to "talk to" anything any more until you reboot the phone.
The phone came with OOS 3.5.4 out of the box and immediately got an OTA to 4.1.1. I was suspect about the upgrade procedure and sighed and did a full reset and re-flashed the full 4.1.1 image using adb sideload, logged back in, did the barest of minimum updates to the Google apps to make it stop complaining, and then tried music again. More skipping and pausing. My headphones have a volume up/down key on them, pressing that pretty much immediately results in a disconnect.
It's like the AVRCP (command) bluetooth protocol is "fighting" the A2DP audio stream protocol? It doesn't make any sense. This would also explain why my car audio has NEVER worked, because my head unit uses AVRCP to read track names and my headphones and speaker dock don't have any sort of screen to speak of.
I want to love this phone and don't want to pay double for a similar Pixel, but I might just have to return it if it's effectively useless at one of the main things I have a phone for! :crying:
Click to expand...
Click to collapse
Hi, I have the exact same phone and been having stuttering performance with Bluetooth and Sony MDR-X330BT and worked fine with the 1+ 3. I decided to tell the phone to forget the headphones and start afresh; big mistake headphones kept refusing to pair. I noticed they have the NFC symbol on one of the earpads so I enabled NFC and used app I had downloaded a while back, 'Tap-and-Pair' that did not work either. I did a search today and found a great app that worked - 'NFC Easy Connect' from the Play Store. Now all I need is stable connection from car system which appeared to be tied in with length of screen life before going to sleep but think it may be faulty Twingo as been on the car forum and found others with similar issues but different smartphone to the 1+ 3T. Hope this helps.