Navfly T3 Android 10 stereo bizzare sound quality - Android Head-Units

Hello there!
Since I could not get any useful advice from seller who talks with me like I'm 10y old I will try my luck here where I think I'll find more fit people then their "engineer" as seller likes to call him lol.
I bought this Navfly T3 stereo for my Mercedes W203 and everything seemed ok at first test after installement, sound was good, I liked it but steering wheels controls for volume werent working so I asked the seller for help and he gave me instructions for Extra settings and can-bus update. I've done that and as soon as stereo was restarted sound quality went to sh*t, like speakers are receiving 5w instead of 45w. Told all that to seller, sent him video where you can clearly hear that quality of sound is awful and he responded that their engineer said that it sounds good and he thinks that everything is fine. I tried talking further with him, but he is advising to check my speakers and some other nonsense. I tried factory reset to default but password seems different than one from Extra setting. I dont know what to do anymore ...

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Bluetooth, S Voice, Bluetooth head unit issues...

I'm hoping I can get some answers here about this. I have a Kenwood bluetooth head unit in my truck. I like to use S Voice to text, play music and other stuff without touching the phone while driving.
My issue is if Bluetooth is on and if I say Hi Galaxy then say Play Music it acts if it doesn't hear me. If I turn off bluetooth connection between the Note 3 and head unit then say Hi Galaxy then play music it hears me fine and plays music.
I was thinking maybe the mic pickup wasn't cranked up enough to hear me on the head unit. On my head unit I have a setting for Mic Gain. Is this suppose to increase sensitivity for the mic to hear more clearly? It was set to 0 but I cranked it up to +8 and then tried it again with no result.
On the sound bars, below the microphone button on the S Voice, if sound is picked up it will move up. It never moved so it's not hearing me. Now if I banged on the top of my dash with my fist the sound bars move and shows it is picking up sound but it has to be a loud bang to a point I feel like I'm gonna cracked my dash if I keep on doing that.
I can't tell if the issue is my head unit or the phone itself. Bluetooth volume is cranked to the max on the phone.
Do bluetooth head units have built in microphones? I would think they do otherwise it would be a pointless head unit and pointless to have call button functions on the head unit.
Anybody have suggestions?
Sent from my SM-N900V using Tapatalk
Nevermind. After looking over the manual to my head unit I somehow skimmed over the microphone part even though it came with the head unit. I have no clue why I didn't attach it and understand the point for it was to communicate hands free or else the person would not hear me.
Had to take the unit out and install it and it works perfectly now.
This thread can be deleted.
Sent from my SM-N900V using Tapatalk

ANDROID 4.4.4 HU choice?

Hello every one....
My name is SKOLS, and i'm a french AUDI S3 8P 2007 owner.
Sine a month, i'm looking for a HU for my S3, witch can display OBD value on the screen.....so naturally go for an ANDROID HU with TORQUE or DASHcommand App....
But i've got a little problem : there's so much items, and sellers!!!!
The price is not a problem, i prefer spend 500€ in a good HU, rather than get some issues everyday.
Second point, i would like a full customizable HU (Xposed), so i suppose i should go for a pure ANDROID HU but i'm not sure about this.
I find this HU : Xtrons PF73AA3A from UK...... (cannot post links).
It's more expensive than other ALIexpress HU, but it's 2 years warranty and as a chat support. But it seem to be restrictive, due to Kitkat OS..... is it true? ANd it's just a 800x480 screen....
What do you think about it?
Can you advise me the best product for my needs?
Very thank you for reads and answers....
SKOLS
I just bought a KGL unit for my S3 8P, which fits relatively well and emulates the look of the RNSe systems - just search ebay for "7"AUDI A3 Car Audio DVD GPS Sat Nav Quad Core Android 4.4.4 S3 RS3 RNSE-PU Radio" to see what I mean. It was a UK supplier, so was more expensive, but no risk of delays in delivery or additional import fees into EU.
Anyway, the unit did have some issues, but noting that makes me regret buying it:
- Bottom latches do not release with the stereo keys, so you have to remove the centre hazard button trim to release them. It unclips easily, so not a huge issue
- Bundled ROM was OK, but but had the usual issues of not passing music control buttons on steering wheel to other music players like Google Music. I installed Malaysk's latest rooted ROM and that helped to get a lot of the software annoyances out of the way
- Sound is a slight issue with it being very biased to the high frequencies, but after rooted rom was installed I used Viper4Android to get a fuller sound
- Sound quality is not too bad, but I am having to deal with some ground loop noise issues on the rear speakers. Will try to a ground loop isolator to see if that fixes the problems. My front speakers are directly wired to the unit, but on mute, you can hear a very slight hiss from them, but it nowhere near to being intrusive when listening even at low volume.
Here is how it looks: http://imgur.com/a/67keD
Thank's a lot for answers....
I've got full BOSE in my S3, and i'm afraid it can make some issues with such HU.....
Xtrons seem to say no.....
My worry is to make the good choice in built quality, because my last HU is a 1000€ ZENEC 3131D, witch work very well.....and i'm afraid to be very disappointed.
Any opinion in Xtrons products?

joying phone bluetooth only on one speaker

Called joying and they told me the audio for the phone bluetooth connection only will come out of the front left speaker on all their units, can anyone confirm this? In my vw the sound while on a phone call comes out of all the speakers. Any car i have ever been in the sound comes out all speakers while on a call, not sure why on these it only comes out one channel if its true.
Thanks to anyone to confirm this.
On mine it comes out the passenger side. I know my Kenwood would allow me to select. I've gotten used to it so it's really no big deal
Sent from my SM-N910P using Tapatalk
madcowintucson said:
Called joying and they told me the audio for the phone bluetooth connection only will come out of the front left speaker on all their units, can anyone confirm this? In my vw the sound while on a phone call comes out of all the speakers. Any car i have ever been in the sound comes out all speakers while on a call, not sure why on these it only comes out one channel if its true.
Thanks to anyone to confirm this.
Click to expand...
Click to collapse
Yup mine does the same thing and it really sounds bad. It comes out of the passenger side and middle dash speaker, but mostly just the tweeters....At highway speed I cant hear half the call.....I am hoping to find a way around this.
Oh wow OK. I had an idea u had a spare Bluetooth speaker laying around and I can use that in the car but it basically defeats controlling the audio from the dash. This blows my mind how bad the audio is in these. Now is that speaker out or rca out on yours?
madcowintucson said:
Oh wow OK. I had an idea u had a spare Bluetooth speaker laying around and I can use that in the car but it basically defeats controlling the audio from the dash. This blows my mind how bad the audio is in these. Now is that speaker out or rca out on yours?
Click to expand...
Click to collapse
No, my current set up is still using the factory wiring harness. I havent had a chance to get my amps and trunk all set up for the RCA outs yet. I am hoping someone smarter than me can figure out a way to change the phone audio output settings.....
I am pretty sure it could be done with alsa mixer but I have no clue how to use it to route audio in Android it's very complicated and zero instructions.
madcowintucson said:
I am pretty sure it could be done with alsa mixer but I have no clue how to use it to route audio in Android it's very complicated and zero instructions.
Click to expand...
Click to collapse
It really is a shame. The phone app is just sad all the way around on this unit. Not having a Favorites list is a another big downer.....and I dont know if yours does it at all, but when I am on a phone call I cannot access anything until the call is ended. Everything gets grayed out even when I minimize the call option on the bottom of the screen....I am pretty sure that is just a bug in the software that will get fixed in an update
I don't have a unit yet myself but at this rate it may be only good for controlling the phone but for that matter I can get a separate controller for that.
On my Joying it does this as well, all of the audio comes out of the front passenger speaker. However it doesn't sound bad. It gets very loud, and I can make and receive phone calls fine. The sound is mono as opposed to stereo, and that does sound weird, but I have no issue hearing calls.
Can people with a non-Joying unit chime in? does it do the same one speaker thing? or is that Joying specific?
In the old days this was common practice so as the speakers didn't cause feedback with the microphone which was most commonly mounted atop the drivers pillar. So the opposite speaker was used for audio
I have a Funrover head unit since almost a week and I have the same issue, sound is coming only from front speakers which make the call over bluetooth just a hell for me.
I barely can hear the caller specially while driving
this is a nightmare !!!
Sofia units use both front speakers.
All PX5, no matter Joying or other units, only use one front speaker
surfer63 said:
Sofia units use both front speakers.
All PX5, no matter Joying or other units, only use one front speaker
Click to expand...
Click to collapse
Ok thanks, but that being said, is there a way to remediate to this ?
namek09 said:
Ok thanks, but that being said, is there a way to remediate to this ?
Click to expand...
Click to collapse
I don't know. It is already going back to the PX3 models. Loads of topics written about it in the mtcb/d forums. It is best to search there.
phone audio is mono anyway, so I guess they just route it to one of the boxes.

Bluetooth calls SUCK!

I got fed up with not being able to understand a word when my wife is driving, with her old Android 4.4.4 head unit. 4 years ago I tried all of the known microphone mods, externalizing the internal microphone and splitting the microphone between the Bluetooth and the internal microphone. It never really helped.
During Aliexpress big sale recently, I got her a px6 (non-MTCD) head unit. The screen and everything else seems to work fine, but the noise when she is talking via Bluetooth is just unbearable. I have tried a few different external microphones, and it sounds like a tornado is blowing in the background. I refuse to start cutting mics again and am just going to return it.
Are there any units out there that have decent sound cancellation? Or is that too much to ask of a chinese radio?

Review of PX6 Android 9 head unit -too high expectations? Return or exchange?

I ordered a PX6 4 /64 GB (MTCE_CHS) head unit with 720 p display and Android 9 for my Mercedes-Benz W211. I found a seller at AliExpress with great reviews so I felt safe to order from them.
This will be a short review which I hope can help someone who is looking for info before buying a Android Head unit, but I am also very thankful if someone has ideas how I can solve my problems.
Pros:
- Very sharp display with good viewing angles.
- Reverse cam works great in good lightning conditions.
- Fast startup from standby.
- Useful equalizer which makes it possible to get a great sound experience.
- Custom ROM, root, Tasker and FCC Launcher make it possible to customize the head unit in many ways.
- Very good GPS performance when connected to original powered GPS-antenna in car.
- Apple CarPlay works and looks generally very good, but has problems with sound mixing which makes it useless.
Cons:
- Handsfree sound quality sucks so much it's useless. Sound from the other persons is bad and they can't barely hear me. Tried with external microphone also.
- No auto brightness and max brightness is low in sunny conditions.
- General audio quality, there is constant background noise and interference from wifi, bluetooth and USB devices makes it worse.
- The head unit was supposed to be plug and play but I had to modify my car and use an dremel multi tool to cut the plastic in the car, which makes it difficult to go back to original head unit. This is normal according to seller but no info before buying.
- Android apps does not display well in a car head unit. Even when adjusting dpi it is difficult to find a good setting. Text and objects will be too small or too big, sometimes frustrating and dangerous to control music and navigation apps when driving.
- Android Auto is displayed in low resolution and looks bad, it also has problems with sound mixing which makes it useless.
- FM radio reception is bad, even though I use the original powered antenna in the car.
- General sound mixing problems in different apps.
- I had dust debris inside the display, which is visible with both display off and on.
Problems:
- I have an intermittent problem with a "popping" sound and at the same time the display goes to night mode for a second and reset the clock to 0:00. Tried to disable auto night mode in factory settings but no difference.
- Sometimes when opening a door or turning on the ignition there is a loud high pitch sound from the speakers, very uncomfortable, almost hurts the ears and scares the passengers.
- Sound mixing, when using Android Auto och Apple CarPlay, it will automatically lower music volume when giving navigation directions, but will not increase volume afterwards. So when you manually increase music volume again, next time the voice will be so high it almost destroy your speakers and ears. The navigation voice in Waze Android app gets cut 0,5 - 1,0 seconds to early.
When speaking to the seller they have problems understanding my issues, and just tell me to wait for MCU update (I already have the latest). Seems like they just want to delay so the time when it is possible to open a dispute will end.
What would you recommend me to do? Demand an exchange of my head unit and canbus decoder and hope it will solve the problems? Demand a refund and buy a Sony or Kenwood Android Auto / Apple CarPlay head unit?
Just accept the problems and issues and try to forget that I paid A LOT of money for the head unit and all the accessories?
There are dozens of different manufacturers and hardware types using PX6.
Post MCU type so people can know the manufacturer and type of unit being reviewed.
marchnz said:
There are dozens of different manufacturers and hardware types using PX6.
Post MCU type so people can know the manufacturer and type of unit being reviewed.
Click to expand...
Click to collapse
Sorry, it is a MTCE_CHS, I added the info to the first post.
I think that this highlights a general problem with the chinese android head units: They just aren't "consumer-ready". Don't get me wrong, they provide fantastic bang for your buck, but they all have their problems (many of which can be solved through help from this forum) and they all lack any decent support. Having said that, I also have a PX6 4G/64G unit in my car, and I just don't have any of the problems you mention. It's not without its annoyances, and I have had to work through several problems to get it sorted, but after just a few months I am very happy with what I have ended up with. The sound quality is fantastic to my untrained ears, and it all works fairly smoothly. I got a massive upgrade in functionality in my 21 year old car for not much money.
In your case, there seem to be too many problems that appear to be related to the hardware. I don't think that an MCU update is going to fix the issues that you list, and so If it were me, I would be returned the unit asap, and trying a different manufacturer, either another chinese manufacturer or one of the proven japanese manufacturers.

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