OnePlus 6 No MTP Option (OxygenOS 9.0.7 A6003_22_190625) - OnePlus 6 Questions & Answers

I have just come back into Android (8 years iOS) with a OnePlus 6 and was disappointed to find I couldn't simply play my podcast/music media through USB into my Citroen van. (Bluetooth phone only, no streaming).
On iOS, media plays natively through USB to lightning.
I have seen various postings etc on how to enable MTP, none seem to work.
Is this a bug? or am I missing something here?
Interestingly audio files on the device do play on the car audio, but there is no way to properly control/select them using steering wheel controls and my Pocketcasts and Amazon music apps have no effective control.
Would an OTG cable/adapter work here?

I'm running 9.0.7 and have access to MTP when connected to my Volkswagen. When you plug in your phone, you'll get a notification that it's charging. tap the notification, and it should expand, giving you options to select MTP. My VW has a "media" screen that allows me to select the source of the media, and steering wheel controls work. I'm not sure how it's done on the Citroen though.

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What is the best car head unit for use with the SGS i9000?

I am looking for a car stereo with the following features for use with my Samsung Galaxy S i9000 phone. Most of these via bluetooth of course.
- navigate through and select tunes, podcasts, and audiobooks
- stream audio
- Display caller id and allow me to answer the call or ignore it
- bluetooth hands free calling
- associate with my phone when I start the car so I don't have to pull it out of my pocket
- pause the audio when there is an incoming call or I place a call via the stereo
- be able to place calls using the address book in the phone
Can all of this be found in one unit? Am I hoping for too much?
D
mine is a bit old but it's amazing Clarion CZ509
http://www.clarion.com/us/en/produc.../cd/CZ509/us-en-product-pf_1172409026831.html
does all of the above and more
Have you tested this with an i9000 or at least similar?
How does it work with your audio library?
Sent from my GT-I9000 using XDA App
using my deck, you can control the phone audio/video stream, and vice versa, as in you can also use your touch screen to control the audio/video as you would normally do, and the car plays the sound.
the remote control works as well, i barely use my remote control as i seat a arms/finger length distance of the deck controls
it uses the standard A2DP Bluetooth controls, it's very natural.
another ability of the deck i'm using in my car, it lets you choose USB, so you can actually hookup the usb/charger wire from the SGS i9000 to the car USB, and it will both play and charge your phone!
this will save your phone battery (bluetooth sucks up a lot of power) so you will only use the bluetooth to talk for incoming/outgoing calls
you just touch a button on the deck to start talking, you can also dial from the deck, but is faster to use the phone to dial.
when you have the phone connected via USB to the deck, you wont be able to use the bluetooh A2DP to control the playback, but you still have the deck controls and the remote control that comes with the deck.
go to the website and read the PDF manual for more details, all i can say is i'm extremely happy and sastified with this setup
you can also just use a regular USB stick to play audios from the deck.
I don't even carry CDs in my car anymore, I loaded my entire music library in a 32GB USB stick, or use my phone to play audio, my phone usually will have the latest song i download from the net, as i always forget to update my USB stick with the latest songs
This is what I am using, and I get full features from mine.
Music controls on handset or deck both work (and remote).
Caller ID/Missed Call/Call log scrollable menu on deck screen.
BT phone audio through speakers with included in car mic.
Full audio volume control.
Charging from USB port (with regular USB cable, some companies like Alpine you need their specific cable) and thumb drive play capability.
3.5 aux jack
http://mobile.jvc.com/product.jsp?modelId=MODL028626&pathId=142&page=1
Shoot. I was || this close to getting the Clarion CZ509 but I only found it at 2001 Audio/Video and I don't like those guys much. Instead, I just had the Sony MEX-BT3800U unit installed. I've only started playing with it but I understand it has the same capabilities of the Clarion and a great interface on the deck face.
FH-P8000BT; Voice Dial
Has someone tried the Pioneer FH-P8000BT? I uderstand it's a nice option but don't know if it works ok with Galaxy S's.
Also, is any of the head units mentioned above able to dial by voice? Is it functional?
Help with CZ509
Hi AllGamer,
I tried to send you a PM but I'm not sure if it worked as it's not sitting in my outbox (perhaps there's a post count limit before we can PM).
Anyway, I'm hoping you can help me out. Here's essentially what I said in the PM:
I noticed that you have gotten most everything to work with your clarion cz509 HU. I too have the same HU in my car but I can not get the functionalities to work properly. I used to have an LG voyager and while it did not do ANYTHING except bluetooth, it did do that well. It did not do phonebook or streaming audio but the BT would pair automatically every time I got into the car.
I now own a Samsung Fascinate (Verizon) and I can't even get the BT functionality to work properly. I can get it to pair (and once paired it works fine) but it does not seem to auto pair when I return to the car. I also can not seem to get any of the other functions to work. I realize it's a bit different than your handset but my questions to you are:
1. Is there something setting-wise that I need to change on the actual HU itself?
2. Is there anything to do with settings on the phone that I need to look into?
3. I can't even get it to do audio through USB. Is there something I need to do (on the phone end) to get this to work properly?
I would be satisified with JUST the bluetooth working and auto pairing when I get into the car. I don't need the phonebook or the streaming audio or even the music via USB (I can just use my iPod) but I would like the BT to work at least. The engrish manual that came with the CZ509 is less than helpful.
I'm hoping you may be able to provide some insight.
Thanks!

nexus s and volvo c30 -> no audio via usb?

hi
i have a nexus s and a volvo c30 with the multimedia package which has a usb port. With my iphone, I could just plug in the iphone in the usb and i could navigate trough the music and listen to it on my iphone trough the car's stereo.
If i put in the nexus nothing happens, it keeps trying to read the disk.
if i put on usb storage mode, it says after a while that it can't read the disk.
is there any way i can make this work or is it just not possible?
I would check out the manual or Google it. I bet the Volvo stereo only supports FAT16 or FAT32 format (i.e. USB flash thumb drive). Just a guess. Hope it works out...
Also, does it support Bluetooth? If so, see if the stereo can accept audio over bluetooth. I've got a 5-6yr old Alpine head unit that can do it, so I'm betting there's a good chance yours can.
The manual says it indeed only supports usb2 and fat partitions...
Is there any way this can be done on the nexus?
I have bluetooth, but there is no mension about being able to play music over bluetooth, phone does work and addressbook syncs, so bluetooth works as it should
I'm honestly not sure about the formatting issue. I would assume that repartitioning the phone would be a tough job to do without messing something up.
As for Bluetooth, I don't really have any experience with audio-via-BT, but I would try atleast pairing it to the car to see if you can play around with it. Go to Settings > Wireless and Networks > Bluetooth Settings. Enable Bluetooth and turn Discoverable on. Then try using your car to pair with it, or vice versa. If you manage to get it connected, I don't really know what the next step would be, since I've never had a stereo that supported it without paying $200 for an adapter.
I would just play around with the bluetooth stuff and see if you can get it running. Since I'm not familiar with Volvo car stereo systems, I don't know if it really supports playback, or just phone calls. See if there's an input in the menu (ie CD, FM, AM, AUX, etc) called BT Audio, or something like that. 3rd party head units typically have this input if they support it, similar to the AUX input option. I'll see if I can find a generic guide for it in the meantime.
What year is your C30?
Good luck
So it looks like your car does NOT support the audio via Bluetooth protocol, known as A2DP. I found a great resource for your car that you should check out, called C30 World. From there I found a thread on this, where people say it doesn't support it, and that your best bet is to use the aux input jack in the center console. Unfortunately, it also looks like that jack is disabled if you have the Bluetooth package installed.
My advice is for you to post on the C30 World forums and ask for some help. I'm sure there's some very knowledgeable people over there that can help you.
thanks man
I think I will just put a usb splitter in there and use a thumb drive in the usb with my music and use the phone as a phone on bluetooth and still have the option to charge my phone
Try using the BT adapter that I use. Been using viseeousa 2000 plugged to my USB port. Flawlessly stream music wireless. Plug and play device and works with android for bluetooth streaming.

[Q] Is there a way to use my DS like an iPod in my car?

My car has a USB aux (no 3.5mm) It automatically detects my iPhone and can see my play lists and control playback from the car controls. When I connect the DS there is no option for Media Player in the USB menu. If I choose "disk drive", it can read the music but of course... no play lists.
Is there any way to connect DS to my car as a "media player/iPod"??
Essentially your phone is no different to your ipod in terms of what the car sees, you simply need to use playlists that are compatible with the car.
Actually my car sees my DS like a standard USB flash drive. It displays the file names and folders. It even shows my ringtones and apps sound files.
With the iPhone however, it only shows the music and it shows play lists and proper titles for music. It allows me to control audio playback from the car and the device. (All done through USB only)
Essentially what I'm looking for is something on DS that acts like/emulates and iPod when connected over USB.
Yeah, that's what I meant. You didn't say it was controllable from the iPhone too though - there may be an app for this already, otherwise it's fairly simple to make one.
moze bys nie pisal tak?
unclevil said:
moze bys nie pisal tak?
Click to expand...
Click to collapse
Indeed!!!1
Anyone have an idea?
Nope, just put your songs or playlists on a cd and then put the cd in your car
Sent from my HTC Desire S using XDA Premium App

Play SR on Kenwood car stereo via USB?

Hey all - tried to search for this but didn't find anything... I have a Kenwood car stereo that plays iphone via usb port, but I wasn't able to see how to get it to work by seeing the SR as a media device. On my captivate, you could choose 'media player' as a usb mode, but that wouldn't work either. Any ideas? I like the idea of playing music while being able to charge the phone at the same time. It does charge off of the deck via usb, but just can't get it to find the music on the SR.
That is such a coincidence, I just put in probably the same (or similar) Kenwood stereo into my car (KDC-248U). I was looking around on the website and under the KDC-252U they list an Android app "Kenwood Music Control" it's in the Market. I am going to give that a try later today.
*** EDIT
Apparently the app analyzes your music or something and then puts a file on your device to make it readable, worth looking into.
Also check here http://androidforums.com/android-media/167502-kewood-car-deck-problem-solving.html
Nice call! You have to have the music on the external SD though, in case anyone else has a problem getting it running Then choose 'auto output' in preferences. Also appears that the program stays active all the time... which I'm not crazy about, but it does work!
Ozark_8125 said:
Nice call! You have to have the music on the external SD though, in case anyone else has a problem getting it running Then choose 'auto output' in preferences. Also appears that the program stays active all the time... which I'm not crazy about, but it does work!
Click to expand...
Click to collapse
That's great news! I gave it the ol college try but came up empty. Maybe you can help me out.
First what model stereo do you have and second, how do you store your media on your external SD , in a folder "music" or under a second level folder? Lastly, how did you get it to recognize did you plug it in and quickly choose USB storage or did you plug it in, choose USB storage and then cycle sources till you landed back on USB?
Sent from my SAMSUNG-SGH-I727 using Tapatalk
So I've been playing around with it and now I can get it to play all the time. First plug USB into phone then into Head unit. When head switches to "Reading" change source to something else (Radio, Portable, etc.). Now enable USB storage and open Kenwood App, while doing this switch to "USB" on the source and it will play.
Now I am having lots of issues getting new music to read, I have tried manually analyzing to no such luck. What options do you have on? I noticed that at one time on reboot it re-did the scan.
It's not very elegant but it works. I wish I didn't have to use an app running all the time.
Sent from my SAMSUNG-SGH-I727 using Tapatalk
I first scanned the music so it was all recognized by the app. Plug it in, and while the stereo is showing 'reading's then turn on the PC storage (and assuming you have auto output enabled). Then it worked. Clunky, but better than nothing for linger car trips. My stereo is the x695 excelon deck.
Sent from my SAMSUNG-SGH-I727 using XDA App
I first scanned the music so it was all recognized by the app. Plug it in, and while the stereo is showing 'reading's then turn on the PC storage (and assuming you have auto output enabled). Then it worked. Clunky, but better than nothing for linger car trips. My stereo is the x695 excelon deck.
Kenwood Music Editor Light
After playing around a bit it seems really clunky and I don't like the idea of the app running all the time. However I did find a solution, the Kenwood Music Editor (Light Edition).
http://www.kenwood.com/cs/ce/music_editor_light/english/download.html
You are still limited to music on your external SD card but it does not require the Kenwood app to be running or present to work. It was meant to make music playable on any USB device so it can be used for flash cards as well if you are having issues reading them. You plug your device into a computer (Windows only) and then run a scan and you should be good to go.
After doing this it's the same situation to play for me, plug in and turn on USB storage (it takes long for my phone to get into USB storage so that is why I have to cycle the Sources after it's connected to get the stereo to play). It remembers track position and everything.
promiseofcake said:
After playing around a bit it seems really clunky and I don't like the idea of the app running all the time. However I did find a solution, the Kenwood Music Editor (Light Edition).
You are still limited to music on your external SD card but it does not require the Kenwood app to be running or present to work. It was meant to make music playable on any USB device so it can be used for flash cards as well if you are having issues reading them. You plug your device into a computer (Windows only) and then run a scan and you should be good to go.
After doing this it's the same situation to play for me, plug in and turn on USB storage (it takes long for my phone to get into USB storage so that is why I have to cycle the Sources after it's connected to get the stereo to play). It remembers track position and everything.
Click to expand...
Click to collapse
newer car-stereos usualy suport any file when you put the phone in "storage-device"-mode.
im looking to get controll over the phone from my stereo, yther use the player in the phone or spotify. works great whit an iphone, but cant find any solution to get the same controll from my htc desire hd...
im guessing its not the stereo itself but the phones software thats the problem, not allowing audio out or controlls in from the microUSB
id love a solution to this though
Check out the other apps like kenwood music control for android:
http://www.kenwood.com/cs/ce/

LG CM2440 audio over USB AOA2.0 plays only one minute

I have a LG CM2440 micro hifi system that can play audio from an Android phone over USB using AOA2.0. I'm trying to use this feature and it plays fine but only 1 or 2 minutes and then goes silent. On the phone the app playing somehow freezes for a while and then continues without audio until USB is unplugged or playback paused and resumed. Anyone had a similar issue? I tested two phones and both behave the same so I belive it is the hifi system. I see nothing to tweak in regards to AOA2.0 in the hifi system or in the phones. Is there some secret menu that would allow to tweak AOA2.0?
Thank you!
Sounds like power management is shutting it down. Not sure what LG is using globally for that. Start there and make sure the app(s) battery setting is set to allow background usage.
I don't let it sleep and it plays fine when not plugged to USB. I think not likely to be power management.
Is there some way to test the AOA USB audio besides the hifi system? Some way to have a PC behave like an audio endpoint?
NixieJP said:
I don't let it sleep and it plays fine when not plugged to USB. I think not likely to be power management.
Is there some way to test the AOA USB audio besides the hifi system? Some way to have a PC behave like an audio endpoint?
Click to expand...
Click to collapse
I doubt it's hardware unless the DAC you're using is incompatible or defective. You can transfer large folders to the PC? Either a settings or firmware issue, more likely settings.
Maybe a bad 3rd party app. May have altered hidden user settings even if it was uninstalled.
You want verification? Factory reset would rule out a settings issue including hidden settings.
However if you don't find the root cause (and avoid it) it likely will reoccur.
Play with it. Google search for others with the same issue, doesn't necessarily have to be the same model or OS version.
Thank you for suggesting!
Yes, I tried that, phone freshly reset behaves the same. Two different phones behave the same. I googled but find nothing relevant.
The USB connection remains operative because even when the audio fails the player still responds to the hifi buttons (play, stop... the player in the phone can be controlled by the buttons in the hifi system).
I opened the hifi system to see the route of the signal, the USB plug goes to a BX8805 IC that looks like an ARM processor and it outputs a PWM signal to the amplifier. Nothing to do there, likely a firmware issue. Maybe I could try some ADB debug but not sure how could I attach the phone USB to a PC and the hifi system at the same time.
USB playback apparently not fixable so I will stick with bluetooth playback (it seems to me that USB playback sounds better).
For future reference after some investigation I found the following "LG bluetooth remote" app that works properly. This app allows control of the hifi system from the phone.
Free download btc 4 APK for Android
Download free LG Bluetooth Remote 4 1.3 for your Android phone or tablet, file size: 7.35 MB, was updated 2017/30/06 Requirements:android: 2.3.3 Gingerbread or above
apk.house
File name: LG_Bluetooth_Remote_4-1.3.apk
It is no longer available on google play but can be downloaded and installed enabling external sources. All functions that are supposed to work do work!
On Google play there is a LG XBOOM app that does not work very well with this hifi. Volume control broken (goes to MAX), missing equalizer option and hangs when CD or USB functions selected.

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