[Q] Bluetooth doesn't auto connect - Nexus 5 Q&A, Help & Troubleshooting

Guys, I have a BT device in my car that is connected to my car audio system. I've set up my nexus 5 to connect to it, and it works great, but there is one flaw - the phone won't auto connect to it when I turn it on, I will have to turn BT off and back on on my phone for it to discover the car BT and then it will immediately connect to it. *I always leave the BT on on my nexus5 in hopes that it will auto connect but in never does, only auto connected about 4 times out of the dozens of times iv'e used it. any ideas?

omricn said:
Guys, I have a BT device in my car that is connected to my car audio system. I've set up my nexus 5 to connect to it, and it works great, but there is one flaw - the phone won't auto connect to it when I turn it on, I will have to turn BT off and back on on my phone for it to discover the car BT and then it will immediately connect to it. *I always leave the BT on on my nexus5 in hopes that it will auto connect but in never does, only auto connected about 4 times out of the dozens of times iv'e used it. any ideas?
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Click to collapse
I don't know if this is a flaw with your Bluetooth device or your phone. I have some devices that auto-connect and some that don't. I doubt you car BT device will have many options (if any) but maybe check and see (if you haven't already) if it has an auto-connect option or something along those lines.
Do you have any other BT devices you can test connecting and disconnecting to/from like you would your car? Eliminate if it's the stereo or your phone. You could also using something like Tasker and create a profile to do what you want. Just a thought.
Hope this helps.

It's most likely the fault of your cars Bluetooth system. Some just don't reliably autoconnect. Try a kinivo bt module 40 bucks on Amazon, works perfectly.

FourPointedFreak said:
I don't know if this is a flaw with your Bluetooth device or your phone. I have some devices that auto-connect and some that don't. I doubt you car BT device will have many options (if any) but maybe check and see (if you haven't already) if it has an auto-connect option or something along those lines.
Do you have any other BT devices you can test connecting and disconnecting to/from like you would your car? Eliminate if it's the stereo or your phone. You could also using something like Tasker and create a profile to do what you want. Just a thought.
Hope this helps.
Click to expand...
Click to collapse
Hey buddy, thanks for the thoughtful reply, I'll try and see if I can find another BT device to test my phone with. One thing I did test today, that I don't do every day, is to turn my phone BT off and back on BEFORE turning on the BT device I have in my car, then I turned the device on, and it connected immediately.. This shows its more likely to be a fault with the phone..

Lokke9191 said:
It's most likely the fault of your cars Bluetooth system. Some just don't reliably autoconnect. Try a kinivo bt module 40 bucks on Amazon, works perfectly.
Click to expand...
Click to collapse
I'll try and find it on ebay, Amazon does ship to my country but for some reason the shipping cost is the same or sometimes more than the item itself..

my BT device connects to phone on power up, e.g. when start car

Well, today it auto connected, I got in my car with my son, and didn't have a chance to unlock the phone to check if it connected to the BT, but when I checked, about 20 minutes after getting in my car, the BT was connected. this got me thinking maybe there's a connection delay, when I'll leave work today I'll see if it'll connect on it's own after leaving it alone.

omricn said:
Well, today it auto connected, I got in my car with my son, and didn't have a chance to unlock the phone to check if it connected to the BT, but when I checked, about 20 minutes after getting in my car, the BT was connected. this got me thinking maybe there's a connection delay, when I'll leave work today I'll see if it'll connect on it's own after leaving it alone.
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Click to collapse
I use PlayerPro to autostart playing when bluetooth is connected. It's better than PowerAmp.

omricn said:
Well, today it auto connected, I got in my car with my son, and didn't have a chance to unlock the phone to check if it connected to the BT, but when I checked, about 20 minutes after getting in my car, the BT was connected. this got me thinking maybe there's a connection delay, when I'll leave work today I'll see if it'll connect on it's own after leaving it alone.
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Click to collapse
Mine won't auto connect to bluetooth until I've gotten far enough from my house that my phone disconnects from WiFi. Maybe this was what you experienced too? I'm unsure.

Related

[REQ] Car Kit scanner

Hi guys,
I didnt find such a app so i figured to ask.
I need a app that will scan for bluetooth devices.
In one work i need a app that when i go into my car it will automatically connect to my bluetooth car. So my best guess is that it will need tp scan for bluetooth devices every x mins ?!
tahityalin said:
Hi guys,
I didnt find such a app so i figured to ask.
I need a app that will scan for bluetooth devices.
In one work i need a app that when i go into my car it will automatically connect to my bluetooth car. So my best guess is that it will need tp scan for bluetooth devices every x mins ?!
Click to expand...
Click to collapse
You can search for bluetooth devices (such as carkits) by going to settings->more->bluetooth.
Once paired with a device, the next time it will pair automatically. No special app needed.
yes, i know that, but the bluetooth needs to be enabled all the time in order to do that.
I need one app that will just enable the bluetooth when it detects the car kit
CAR KIT
my hd2 automatically scann my car bluctooth..i got pegeout 307..as soon as i start my car ..am connected...
thanks
fijhas said:
my hd2 automatically scann my car bluctooth..i got pegeout 307..as soon as i start my car ..am connected...
thanks
Click to expand...
Click to collapse
Yes, but u have the bluetooth on rite ?
Well the HTC official car kit can be configured to auto start bluetooth when it is attached. Depends whether you want to spend all that money. Why not just install a bluetooth toggle app and place a link in the quick links. Doesnt take 10 seconds to switch it on when you get in the car.
i agree wit you, i already have that, but u didnt consider the "forget to turn on" factor
tahityalin said:
i agree wit you, i already have that, but u didnt consider the "forget to turn on" factor
Click to expand...
Click to collapse
how about a "post-it" in the middle of the steering wheel saying "turn on bluetooth" there is no way of auto turning on bluetooth when your in your car because the phone has no idea where you are. you will have to leave it on all the time unless you buy the car kit or remember to turn it on when u get in.
there's no way to programmatically detect carkit w/o turning on the bluetooth, and if you are determined to do so, the only way is to turn on bluetooth and poll for carkit , and then turn off the bluetooth again, and then you repeat it at regular interval.
however such method is silly because (1) it doesn't necessary help to improve the battery life of your device (assuming that's the reason why you want to turn off bluetooth until you are in the car), (2) unless you poll every other second, you will not have your HD2 connect to your carkit immediately, which is the case if you've left bluetooth on in your HD2 all the while (well almost).
The best option for you is to download app like g-profile, create a profile that turns on bluetooth when you plug in your hd2 to your car power supply. As this is event driven, so you will not have the problem described above (except that you will have bluetooth turn on each time your hd2 is connected to a power source)
If you have a car charger and always use it, download bluetooth power manager, it will turn bluetooth on when the charger is connected and off when you unplug, it's the best your gonna get.
tahityalin said:
i agree wit you, i already have that, but u didnt consider the "forget to turn on" factor
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Click to collapse
really??? I never turn off my BT. It sitting there inactive is not a battery killer.
optiknerv said:
how about a "post-it" in the middle of the steering wheel saying "turn on bluetooth" there is no way of auto turning on bluetooth when your in your car because the phone has no idea where you are. you will have to leave it on all the time unless you buy the car kit or remember to turn it on when u get in.
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Click to collapse
lol

Automatically connecting to bluetooth receiver?

Is anyone able to automatically connect to a bluetooth device from your captivate? I am using a sony bluetooth receiver a2dp profile so it's basically functioning like a bluetooth headset.
Pairing works. Manually connecting works. But it would be great if the captivate automatically connected to the bluetooth receiver as soon as i turn on bluetooth. It takes almost five clicks to manually connect but only one to turn on bluetooth.
Sent from my SAMSUNG-SGH-I897 using XDA App
I have a similar problem in that the phone will sometimes "forget" the bluetooth devices that it has been paired with. I then have to do the pairing all over again.
I'm having the same problem - if I turn the phone off & back on again, it won't connect to my car. The bluetooth menu still shows that it's paired, but it won't connect (even if I try to manually connect). The only way to get it to connect again is to turn bluetooth off & back on - then it connects automatically.
Mine connects right away.
I think it is relate to not being able to set the bluetooth to always visable. My fuze had the same problem untill I put the energy rom on it.
I'm having the same trouble. I have to click on the Connect option which is buried in the Bluetooth menu. Annoying.
Are you using a task manager or some sort of helper to keep battery usage low? I found I was having a blue tooth problem until I saw a OPP service pop up on my task manager. Every time I killed apps I had blue tooth problems until I set this service to be ignored and left alone. Now even after I shut off the phone and turn it back on, I quickly connect to my blue tooth headset.
I'm just a noob here and I am thankful to everyone who posts who have helped me so i thought I's throw this out as something to check on.

Bluetooth & Car issues

I don't know if anyone is having this issue but several times when im on a call in the car after a certain period of time my phone disconnects from the car and reconnects.
Has anyone had a similar issue? Otherwise it could be my car but would like to avoid taking it in.
olster said:
I don't know if anyone is having this issue but several times when im on a call in the car after a certain period of time my phone disconnects from the car and reconnects.
Has anyone had a similar issue? Otherwise it could be my car but would like to avoid taking it in.
Click to expand...
Click to collapse
It might be your car, but I would suggest turning off the nearby device scanning, because if it detects another Bluetooth device, it will try to connect to the other device, which might be causing the disconnection problem.
olster said:
I don't know if anyone is having this issue but several times when im on a call in the car after a certain period of time my phone disconnects from the car and reconnects.
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Click to collapse
TheSproker said:
It might be your car, because if it detects another Bluetooth device, it will try to connect to the other device, which might be causing the disconnection problem.
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Click to collapse
definetly is your car, more than this i tell you that is BT of you car not anymore compatible with MM.
I have a Pioneer one, mentime is connected with gear fit and hand free car audio with my S7, no issues.
In the past with lollipop, i had to change car audio to make it compatible.
i suggest to contact you car brand for a update(something impossible but it is worth a try)
I just got the S7 two days ago and I use Tasker to automate music playing both on my BT speaker and in my car. Using both devices the bluetooth connects/disconnects/reconnects in a second according to the log in Tasker. So say goodbye to using Exit Tasks if a profile is set to run on BT Connect.
edit: btw just to clarify, the phone doesn't disconnect after that initial issue and that can only be detected because of the way Tasker works/because of the log, otherwise connecting to a BT device appears to be seamless, you won't notice it dropping the connection for one second when it initially tries to connect.

In-car bluetooth won't auto-connect

Running the AT&T Variant and though audio and controls work fine in my car once paired the phone is not pairing upon seeing my car stereo.
My LG V10 worked flawlessly in this regard, usually withing 10 seconds of starting the car.
I've tried bluetooth auto connect and tasker but they only work if I toggle bluetooth while the car is on.
If I toggle bluetooth without either of those installed I just get the pop up showing there is a device available and it has about a 30% success rate at connecting.
There is also an issue every few times where even if it connects the skip buttons do not work and no track title is displayed.
It won't connect to my BMW at all!!! What a holy crap.
prfraczek said:
It won't connect to my BMW at all!!! What a holy crap.
Click to expand...
Click to collapse
I tried Samsung Music and Play Music. I verified Media Audio under BT was enabled. Mercedes Benz 45 AMG.
I have a Toyota and it connects flawlessly, T-Mobile variant. I can even go to the car while it's in the garage and leave my phone in the house and it's still connected to the car.
Strange, mine connects instantly (Ford Falcon - Aussie car).
Mine will connect with my car (Kenwood unit) flawlessly. I have to fiddle with it in my other car (Jeep with UConnect), while the wife's S7 works with both.
I've yet to figure out how to get it to auto open Pandora or anything when it connects. My Note 4 and LG V20 both did this seamlessly
Appears to be a "known" issue with S8 - see this thread : https://us.community.samsung.com/t5...id/GS8QA/highlight/false/page/1/thread-id/299
jennyjane111 said:
maybe you need to connect again
Click to expand...
Click to collapse
I've tried so many times. even reset cache, Bluetooth cache etc. It adding and then disappearing from both- car and phone. I think it is got something to do with contact sharing but this box never pop out.
I had this problem with the S6 and my HTC Stereoclip (BT to AUX adapter for cars), I had to manually pair it every-time and it was one of the reason why I came back to HTC, now I got the S8 and apparently it's the same problem.
Some BT devices auto-connect but not others

Bluetooth device to only let my phone know I'm in the car?

I want to find a way for my phone to automatically know when I turn on or off my car while I'm in it. I will use tasker to turn on and off my mobile hotspot when I'm in the car, so my echo dot ,connected to aux-in, can play music.
tl;dnr: looking for a usb-powered-only bluetooth device that can connect to phones and doesn't involve the aux-in of my car audio. eg: usb-powered bluetooth speaker/speakerphone/input-device.
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Click to collapse
My car doesn't have bluetooth, so I have been looking for some sort of bluetooth device that will turn on and off with the car.
I don't want to use any type of bluetooth receiver since:
I'm already using my aux-in for my echo.
FM transmitter is also out since I'm switched to aux-in.
If I have the bluetooth receiver audio go nowhere, then I won't be able to hear my phone's GPS navigation.
I thought about bluetooth hands-free calling speakerphone devices, but the ones I've seen all use batteries, meaning it'll not turn off immediately when I turn off my car and will also probably need me to manually turn them on when I start my car. Anyone seen a batteryless version?
Are there any other bluetooth devices that run purely off usb power or off the car charger port?
I just tried the nonda zua smart charger that is suppose to connect to your phone when you turn it on. Only problem is that despite it showing up in the bluetooth device list, it doesn't seem to be a device that you can normally connect to. You have to install their app and the app somehow connects to it, even though the phone's bluetooth icon shows no active connections. Maybe the phone will only show a connection to devices it has supported profiles for. I can't even get tasker or android's smart lock to sense that the device is near.
Anything else out there? Is there a bluetooth input device that runs purely on usb? I have a selfie stick with a usb component that charges over usb and has an on/off switch, and I'm tempted to test if I can power it with the internal battery and have it turn on automatically when power is supplied. But I don't want to break my only selfie stick yet.
I suppose I can pair some usb-powered speakers to a bluetooth receiver so that I hear my phone over the speakers. Any recommendations? Of course, the speakers must not have batteries.
Found this:
It's actually a bluetooth speaker that doesn't have a battery. No idea if it will auto-pair when usb power is on or if the lamp can be turned off.
Can't you use an NFC tag on your car mount? When you mount your phone it hits the NFC tag and since you use Tasker you can set it to do what you want when you touch the NFC tag.
Sent from my Pixel XL using Tapatalk
biggiestuff said:
Can't you use an NFC tag on your car mount? When you mount your phone it hits the NFC tag and since you use Tasker you can set it to do what you want when you touch the NFC tag.
Click to expand...
Click to collapse
I may not always mount my phone and it may just stay in my pocket. And I would need to remember to hit the NFC again when I leave my car to 'automatically' turn off the hotspot. I also sometimes forget to take my phone with me and was going to have the phone alert me when the car is off.
badbob001 said:
I may not always mount my phone and it may just stay in my pocket. And I would need to remember to hit the NFC again when I leave my car to 'automatically' turn off the hotspot. I also sometimes forget to take my phone with me and was going to have the phone alert me when the car is off.
Click to expand...
Click to collapse
How about an obdii car adapter? No audio and you get vehicle stats
Sent from my Pixel 2 XL using Tapatalk
biggiestuff said:
How about an obdii car adapter? No audio and you get vehicle stats
Click to expand...
Click to collapse
I'll look into that. I need it automatically connect to my phone without the need to install an app. I don't want to face the same issue as with the nonda car charger, which requires the app to be running constantly to connect and it somehow can connect without android showing a bluetooth connection to it.
I've decided against obdii adapter because I am unsure if android has a built-in profile to automatically connect to it without the aid of a third party app to constantly monitor bluetooth. And they are rather expensive, especially for the ones that are smart enough to go to sleep and not constantly be powered on and drain the car's battery.
There are some speakerphone adapters that don't use batteries so I'm going to try one of them and connect them to usb-powered speakers. Going from a Nexus 6P to a Pixel XL, I'm finding the speakers are now rather weak and adding external speakers will help with GPS navigation.
It seems to me the easiest thing to do would be to upgrade your car stereo. By the time you're done with all of these workarounds, it might be cheaper, too.
Either that or ditch the echo dot and use the phone to replace it's functionality. I'd go to an auto audio shop and see if they could install an ignition switch controlled power source running a proper Bluetooth to aux adapter and compare that to the cost of a new head unit.
badbob001 said:
I want to find a way for my phone to automatically know when I turn on or off my car while I'm in it. I will use tasker to turn on and off my mobile hotspot when I'm in the car, so my echo dot ,connected to aux-in, can play music.
My car doesn't have bluetooth, so I have been looking for some sort of bluetooth device that will turn on and off with the car.
I don't want to use any type of bluetooth receiver since:
I'm already using my aux-in for my echo.
FM transmitter is also out since I'm switched to aux-in.
If I have the bluetooth receiver audio go nowhere, then I won't be able to hear my phone's GPS navigation.
I thought about bluetooth hands-free calling speakerphone devices, but the ones I've seen all use batteries, meaning it'll not turn off immediately when I turn off my car and will also probably need me to manually turn them on when I start my car. Anyone seen a batteryless version?
Are there any other bluetooth devices that run purely off usb power or off the car charger port?
I just tried the nonda zua smart charger that is suppose to connect to your phone when you turn it on. Only problem is that despite it showing up in the bluetooth device list, it doesn't seem to be a device that you can normally connect to. You have to install their app and the app somehow connects to it, even though the phone's bluetooth icon shows no active connections. Maybe the phone will only show a connection to devices it has supported profiles for. I can't even get tasker or android's smart lock to sense that the device is near.
Anything else out there? Is there a bluetooth input device that runs purely on usb? I have a selfie stick with a usb component that charges over usb and has an on/off switch, and I'm tempted to test if I can power it with the internal battery and have it turn on automatically when power is supplied. But I don't want to break my only selfie stick yet.
I suppose I can pair some usb-powered speakers to a bluetooth receiver so that I hear my phone over the speakers. Any recommendations? Of course, the speakers must not have batteries.
Click to expand...
Click to collapse
I used to use a Bluetooth ODB2 adapter (and Tasker) for this exact purpose.
Sent from my Pixel XL using Tapatalk
Weudel said:
It seems to me the easiest thing to do would be to upgrade your car stereo. By the time you're done with all of these workarounds, it might be cheaper, too.
Click to expand...
Click to collapse
W
This guy has the right idea, get an android auto head unit.
Weudel said:
It seems to me the easiest thing to do would be to upgrade your car stereo. By the time you're done with all of these workarounds, it might be cheaper, too.
Click to expand...
Click to collapse
Do they make car stereo units that can mix multiple sources like aux-in and bluetooth?
I've had a cheap ODBII scanner in multiple cars for years and never had a battery drain issue. I honestly can't remember if my phone auto connects to it or not, last time I tried to read from it I couldn't because the latest Android beta update broke the connection.
badbob001 said:
Do they make car stereo units that can mix multiple sources like aux-in and bluetooth?
Click to expand...
Click to collapse
You're missing the point, android auto will do your music and satnav prompts over usb. No need for the echo dot at all.
Rockford fosgate "rfbtaux" cheap reliable and will do what you need
You can use an OBDII adapter for detection
https://play.google.com/store/apps/details?id=com.kanetik.bluetooth_profile_condition&hl=en
You can set the condition to activate your task when its near the adapter
https://play.google.com/store/apps/details?id=com.kanetik.movement_detection&hl=en
I just learned they also have this app that should bypass the need for the hardware.
These apps are not free, $1.49 each. I can vouch for the bluetooth detection app, might try the movement one.
I bought this for my car and it turns on when there is no key in the ignition and off automatically when the key is pulled out.
https://www.amazon.com/gp/product/B009OBCAW2/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1

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