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A2DP Blueooth Car Stereo won't reconnect to mobile

I have the Pioneer DEH-P9800BT Bluetooth Head Unit in my car, which supports stereo BT music streaming from any A2DP device.
I also have the HTC TyTN II Mobile which supports the same.
I have paired the two devices, and on the initial pairing successfully played music from the HTC through the Pioneer. When that worked, the BT Audio icon appears in the title bar of the mobile (headphones with a musical note in the middle).
However, after switching off the car and later returning, I have 2 issues:
1) It is impossible to reconnect the BT stereo music playback, unless I delete the Pioneer device from the list of BT devices within the mobile phone, then pair them again. Nothing else seems to work. Simply, I just want all music to be routed through the Pioneer whenever it is in range of the mobile.
2) I have set the mobile phone as "Phone 1" in the Pioneer, and have enabled "Auto Connect", yet it does not auto connect. Every time I get in the car I have to manually scroll to Telephone>Function>Connect Phone>Phone 1. You can imagine what a laborious pain that is compared to my previous 5 year old Nokia Bluetooth Car Kit which just auto-connects whenever my mobile is in range.
Are you able to solve either problem?

Anyone ?
I have a similar issue with a Bluetooth clip (allows my Shure headphone to be used over bluetooth)
I have to go Start/Settings/Connections/Bluetooth, click onthe headset and "Set as Wireless Stereo", whereas my car bluetooth headset will auto-detect and re-connect.
Is this poor hardware or is the A2DP protocol not defined for re-connection standards, so different appliances act differently?

I found A2DP Toggle via Google. Just download that for free and it'll solve the issue!

CJSnet said:
I found A2DP Toggle via Google. Just download that for free and it'll solve the issue!
Click to expand...
Click to collapse
I've been using A2DP Toggle myself for some time and must say that it is an awesome little utility. One word of caution, however, is that people (myself included) have been finding that the today screen plug-in has a tendency to really drain the battery fast! You can read a bit more on this issue at http://www.teksoftco.com/forum/viewtopic.php?t=1626&postdays=0&postorder=asc&start=0
To get around the battery drain problem I've removed the plug-in from my today screen and simply generated program shortcuts on my today screen (using Pocket Plus or UltimateLauncher) to execute the utility in command line mode. So you get the benefit of toggling A2DP on/off with a single screen tap without the downside of battery drain from the today screen plug-in.
To turn A2DP ON create a shortcut that runs:
"Program Files\Teksoft\A2DPToggle\a2dp.exe -a2dp: on"
To turn A2DP OFF create a shortcut that runs:
"Program Files\Teksoft\A2DPToggle\a2dp.exe -a2dp: off"

[Q] Bluetooth Issues

Hi Guys,
I Have a Renault Twingo With Built in Bluetooth.
When I Pair my phone (I9000) I get a Phonebook access request , witch I accept,
I Then have to use the update function in the Radio to Transfer my contacts Accross.
8/10 The Update Function doesn't work (Because of the Bluetooth in the phone)
8/10 When people try and ring me - the phone will ring but the Bluetooth in the Car Won't - When this happens i carn't ring people out using the Bluetooth Display.
Renault have today replaced the Radio Unit (Brand New) and i am going to Pair the phone to it.
If the Radio does as described as above - how can i Tweak the Bluetooth on the phone so it works?
Phone is running 2.3.4 I9000XXJVQ

Anyone?
Does anyone have a Modded Bluetooth APK That Improves Bluetooth Connectivty?

WiFi drops frequently when bluetooth headset connected

During streaming when bluetooth headset is connected wireless connection drops frequently.
If bluetooth stay active but wired headset is connected no issue.
Reboot, repairing does not eliminate this issue.
Note 5 N920CD (Duos) OS - Android 6.01 - MID

To replay myself
Problem resolved with following steps:
- turn bluetooth off
- go to app. manager
- select bluetooth app
- delete data
- turn bluetooth on
that is

malistreber said:
To replay myself
Problem resolved with following steps:
- turn bluetooth off
- go to app. manager
- select bluetooth app
- delete data
- turn bluetooth on
that is
Click to expand...
Click to collapse
Hi,
Can you post screenshot if you could? I can't see the Bluetooth app that you mentioned. I am having the same issue as you are.

Pumpkin Android 9.0 Universal Applicable Infotainment System Car Stereo

I found a car stereo at an affordable price these days. When you are going for a budget build, you definitely expect to make some compromises. Maybe this not be the best car stereo on the market, but it is the best value. The model we are going to talk about is Pumpkin Android 9.0 universal applicable infotainment system car stereo.
Scope of delivery
- car stereo
- power cable with Canbus
- camera adapter box
- GPS Antenna
- Wifi Antenna
- External Microphone
- Radio Adaptor
- USB Cable
- USB Extended Cable
- User Manual
► Material/quality/appearance/processing
The processing of the*Pumpkin*radio is very high quality, you notice this immediately when you unpack it.The radio has a matte black finish. The knobs and buttons are very stable, feel comfortable and have a good press point.
► Technical data
The radio has a Qcta-core with4GB DDR3 RAM and the internal memory is 32 GB.With this data, the Android 9.0 system running fluidly and without problems. You can install and play current games on the radio.
The radio supports GPS (preloaded with the Google maps APP) and capacitive touch screen, Bluetooth, steering wheel remote control, Wi-Fi, 3 G, FM, AM, RDS, OBD2
► GPS
Through the supplied GPS antenna,the navigation runs very well.The site search takes just a few seconds after switching on and is extremely accurate. *I have experienced no GPS dropouts. Together with the Google Maps app, the navigation is super easy to adjust because it works like the route planner on the PC or on the phone.
The radio has a TF card reader. This reads standard micro SD card which is used for the extension of the store. (E.g. maps for different countries)
► FM Radio
The radio works fine, it is easy to use. It is convenient to switch channels, and can enjoy different service.
In particular, I find that you can control the volume via the buttons. So you can look the radio even without use. This is definitely a plus point of this radio model.
► Sound quality
The radio impresses me not only with its easy operation, but also by a super sound.The radio has 4 audio outputs with each "real" 50 watt.The heights are very clear and the basses have a rich sound.
► Bluetooth 4.0
The Bluetooth connection is initialized in a few seconds the first time. Each additional time you have to do nothing more.The phone will connect automatically when it is in range of the car. This is very handy, it has a free external mic, so you can clearly listen the bluetooth calls. What’s more, it can read the phonebook, you can call when you can drive and still focus on your road.
► Wifi, Wlan, 3G
The radio convinces with extremely many high-end features. So, as a Wi-Fi access inside the car radio can build up. Friends and family can connect to it and thus surf the Internet over 3G.
► Suitable Cars
The radio has a 2 DIN standard form and thus fits in much cars.
►Smartphone mirror
For Android phone, you can mirror and control on the unit via USB cable connection. As the iphone, you can just mirror on the unit via wifi connection.
► Conclusion
Overall, the price/performance ratio of this radio is not to beat. He keeps everything he promises and can be controlled touch screen through the incredibly easy. He has extremely many features that were described above.

First and only post by "mandyoritz." Obvious spam. Clearly Pumpkin condones and uses deceit and spam, so should NOT be considered if you're looking for a head unit. Don't reward dishonest behavior. Consider anyone EXCEPT Pumpkin.
Oh, and they posted in the wrong place for an Android based head unit, couldn't even figure that out.

Reverse parking camera has no signal - please help

Hello my friends,
My problem is simple, I have installed Android head unit to Opel Insignia 2010.
After connecting the rear parking camera, the unit always says just "NO VIDEO SIGNAL"
Here is what I have tried:
1. Connecting via cable: "yellow (video) in" to the unit, "yellow (video) out" to camera + power (black) ... after that I have tried all video settings: PAL NTSC .....
2. Connected same way with wireless signal transmitter. Power was connected correctly (led indicators was on).
3. Repeated point 1. and point 2. but this time I have connected an additional video input to the head unit.
This leads me to two options, brand new camera is broken, or there is needed an additional software or software settings.
Maybe I need to check the car fuse? Is it needed to have connected also the button for parking sensors ON-OFF?
Please let me know if you have some experience.
Hardware info:
Head unit TS9 android v10
https://www.aliexpress.com/item/4000429823717.html?spm=a2g0s.9042311.0.0.7f8a4c4d9kds8l
Camera:
https://www.aliexpress.com/item/32809980384.html?spm=a2g0s.9042311.0.0.7f8a4c4d9kds8l
Wireless transmitter:
2.4GHZ Wireless Transmitter Receiver for Car DVD Monitor WIFI Reverse Rear View Camera Backup | Wish
Buy 2.4GHZ Wireless Transmitter Receiver for Car DVD Monitor WIFI Reverse Rear View Camera Backup at Wish - Shopping Made Fun
www.wish.com
PS: I prefer to use the transmitter as I don't need to drill in to my car.