yashsingh1/xdaforums huggingface dataset:
[MTCB Android Head Units Q&A] c5vette211:
No I am talking about the androids ability to read the ELM327 protocol. It is showing up on my PC as a COM port Serial rs232 and I suspect that is due to the wrong chip being in the ELM327 device.

My device: http://www.ebay.com/itm/170986167238?_trksid=p2059210.m2749.l2649&ssPageName=STRK:MEBIDX:IT

When I connect the device to the USB port, it asks me if i want to set TOrque as a default app. I select yes, and then it is un recognizable beyond that.

I downloaded a CH341 android driver from manufacturer and still not functioning properly.
[MTCB Android Head Units Q&A] tolymatev:
Hey guys,

I have a KLD unit. I use to be able to listen to music and have GPS running at the same time. Won't let me do that anymore.

Radio or music from SD.

I use Sygic as my Navigation. As soon as I press GPS button sound cuts off.. maybe there's some settings I don't know about.

Thanks in advance
[MTCB Android Head Units Q&A] javlada:
Check the sound mixing inside GPS settings. I had absolutely the same problem as you.
[MTCB Android Head Units Q&A] typos1:
I cant commnet on Android's ability to read ELM327, but I do know that Torque on Android does support USB to OBD, but that it can be a bit fussy about the USB to OBD lead, a thread search should reveal a ink to a compatible lead.
[MTCB Android Head Units Q&A] ga!nusha:
Had the same thing on my KLD. Turned out to be a Waze setting. I have put the app on "Alerts Only" and it cuts off all sound... At first i thought it had something to do with Viper sound driver...
[MTCB Android Head Units Q&A] exitido:
Thanks, i installed a lot of versions of coudu 4.4.4, android works great but wifi works only some times randomly.

I tried with 1.85 gs, 2.02 gs and 2.20 gs im very frustated.

Now i will try with more android version if i found one that works ok i will post here, my radio its a GS.

FUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU

Its not the android version, i tried with the stock rom and i have wifi drops anyway :(
[MTCB Android Head Units Q&A] heavy_daci:
Tomtom folder mount

Hey guys, I've read almost evrything in this thread but couldn't make my Pumpkin/KLD work with TomTom. I am running Coudu's ROM and the recovery script for early mounting of the tomtom folder. Using the default script settings, it is mounting the folder correctly to sd card/tomtom, but my tomtom version wants it to be mounted to Android/Data/com.tomtom.europe/files.

I edited the recovery script to match that path instead of sdcard/tomtom, but it won't mount it at all.

I know there is th the option to use Foldermount, but it is rather slow sometimes and not that clean

Any help would be highly appreciated
[MTCB Android Head Units Q&A] tolymatev:
Thanks. That was it. I had it set up on mixing before. that's why I didn't even look in there I guess that setting got reset somehow.
[MTCB Android Head Units Q&A] kalle99:
1024x600

Hi Malaysk! I love your roms, could you please make this one for 1024 x 600 if you have time.

Cheers
[MTCB Android Head Units Q&A] Malaysk:
Hello. I not very good firmware for the screen resolution 1024X600. :) I just do not test them on what. I have 800X480. But I'll try to do as free time. ;)
[MTCB Android Head Units Q&A] sony007:
I've recent purchased the AVIN AVENT 2 with 4.1.1 Jelly Bean and just wanted to know if anyone has been able to root the device? I'm not sure if it's just my system but it appears to be as buggy as hell, constantly flickering screen especially when my phone is connected via bluetooth but also when I turn the bluetooth off my phone and disable the wifi on the Avin the screen still flickers with the internet usb dongle. When the screen starts flickering you literally have to wait for it to stop before you can use any function on the device. The supplier suggested returning the item back to China under the warranty but having to pay to return a possibly faulty goods seems ...:eek:
[MTCB Android Head Units Q&A] pk313:
If you try to add support for napster too...I will be so happy [emoji4] napster player sounds so good in this device and I use napster streaming only or downloaded music ...but I don't know any other player able to play downloaded music from this...so I you found that's easy to add...please remind for me ...many thanks!
[MTCB Android Head Units Q&A] agentdr8:
Do you have any external USB devices plugged into the headunit?

Will take a look and see if it can be controlled externally.
[MTCB Android Head Units Q&A] dougie175:
Thank You, just did this and works perfectly apart from the fact poweramp doesn't actually start playing?

It boots up really quickly and starts all the services I need, but no music starts unless I press play manually

I have double checked that the --ei cmd 1; part of file is present as this seems to be the part that should start the music playing.

Any ideas why this would not happen?

Thanks again for the help
[MTCB Android Head Units Q&A] exitido:
No, from one day to another radio was broken:crying:
[MTCB Android Head Units Q&A] Hein3G:
Bootloader for units without front miniusb

My apologies if this issues has been addressed in previous posts.

I need some help to get into the bootloader of my unit. It doesn't have any front miniusb input, only available usb's are on the rear panel labeled 3G dongle and usb input.

Any help will be greatly appreciated.
[MTCB Android Head Units Q&A] agentdr8:
Wifi issues are usually kernel or power-related, but it's possible there's something wrong with the hardware itself.

---------- Post added at 01:02 PM ---------- Previous post was at 01:00 PM ----------

Find the reset button. Should be in a small hole somewhere. I'm not sure of the process to get into recovery though once you do find that reset; there might be another hole with a physical power button as well that needs to be pressed while holding the reset.
[MTCB Android Head Units Q&A] Hein3G:
Thanks [MENTION=434511]agentdr8[/MENTION]. I know where the reset "hole" is and it has a Power button. What i would like to know is how do i connect a laptop to the unit?
[MTCB Android Head Units Q&A] exitido:
Today i trying to fix the radio installing a lot of android version but my car was off maybe with the car on... :confused:

It is rare that with the stock firmware still not working
[MTCB Android Head Units Q&A] 4stimpy:
Hello,

I am fairly new to the android car stereo.

I came across this thread and the last week i have been reading a lot in this thread. Although a lot became clear, also a lot of questions raised. First things first.

The system info shows android ver 4.2.2 (standard)

MTCB-KLD-V2.20

I still have the original android on the system.

I used root master 2 1 1 to get root acces.

I have no idea what exactly i have done because of the chinese language.

But is seems to work because i was able to install and activate version 2.6.1 of the Xposed installer.

After that i installed the XposedMTC (actually i installed that before i installed the installer because i forgot that)

I was able to assign poweramp as default music player, have to use the new button to activate it.

I can also activate it with the steering wheel controls.

I also got the volume in the status bar.

But if i start the radio afterwards than poweramp does not stop or pause. It keeps playing in the background.

Another thing is that when i cycle apps with my steering wheel control it goes from radio-dvd-music(poweramp)-reset

Before i installed XposedMTC the control cycled like radio-dvd-music-radio-dvd-....

Is that reset a known problem?
[MTCB Android Head Units Q&A] agentdr8:
No one that I'm aware of has successfully connected a laptop to any of these headunits, regardless of whether or not they have a front usb port. Everything that's been done is either via wireless adb, or sdcards via recovery.

---------- Post added at 01:16 PM ---------- Previous post was at 01:13 PM ----------

Yes, it's a known issue. One or more of the sources in the cycle causes a soft-reset. I haven't had any time to rewrite the whole mode switching mess yet.
[MTCB Android Head Units Q&A] 4stimpy:
Thanks for the fast response.

Glad to hear it is not something i did wrong.

I have just set up the override option and use only radio. tomorrow i will see how that works.

That poweramp doesn't mute or pause on switching to radio is also a normal behavior?
[MTCB Android Head Units Q&A] andr786:
does your radio presets work? i have installed xposedmtc but i still can't save.
[MTCB Android Head Units Q&A] Hein3G:
Thanks again for the prompt reply [MENTION=434511]agentdr8[/MENTION]. In the very first post under the bootloader section it says:

"Get Into Bootloader

The process is basically the same, with the difference that you need to have the computer attached to the unit via the front miniUSB (if you do not have a front USB, you will have to ask your seller how to get into bootloader mode)"

I though this it's a requirement to connect the computer via the usb... I'll try out the wifi route and the other steps.
[MTCB Android Head Units Q&A] typos1:
You are in the wrong thread, this thread is not for AVIN models.

---------- Post added at 09:46 PM ---------- Previous post was at 09:45 PM ----------

Do you realsie that you are running an out of date version - 4.2.2 ? 4.4.4 KK has been out for months.
[MTCB Android Head Units Q&A] andr786:
ok how can i install 4.4.4 , i have got root access already , please send me the link
[MTCB Android Head Units Q&A] typos1:
Links to firmware and how to install are on the first page.
[MTCB Android Head Units Q&A] Enc0der:
Here's the entire (?) downloads archive:

http://huifei.fs-fileserver.de/content/firmware/

Most popular (I believe) is the last one on the list - Modified KGL and KLD roms and TWRP images by coudu:

http://huifei.fs-fileserver.de/content/firmware/coudu's_roms/4.4.4/

Then choose your resolution and preferred version (JY, KGL, KLD)....

I wish they were some screenshots / videos to see the differences, but you can just try them all and choose for yourself - it's very easy: just put the image file in the sd, start the unit, and let it update.
[MTCB Android Head Units Q&A] agentdr8:
It should be pausing PA when switching to Radio, and vice versa.

I know there was some initial work done early on regarding bootloader stuff, but afaik, none of it is needed to modify these devices. Everything can be done via stock recovery.
[MTCB Android Head Units Q&A] maxharl:
I'm using KLD coudu's v4.2 rom with a 3g dongle that is working pretty well.

I'm just asking here if I can send/receive messages (sms), because I tried installing Go SMS pro but didn't work because it says "I have to activate Sms in settings". I can't figure out how to do so. Hope you can understand, thanks.
[MTCB Android Head Units Q&A] pboom112:
How Do You Know If It's BRICK ?

How do you know if is Brick?

This the my JY HU http://www.autopumpkin.com/new-prod...its-support-obd2-3g-wifi-airplay-hotspot.html

Can't get in to Bootloader https://www.youtube.com/watch?v=sODVGAXUK9s

Plz Help Anyone
[MTCB Android Head Units Q&A] dougie175:
Yeah I would guess that could well be the problem, is there a way to delay the play command by a few seconds to keep it all starting nice and quickly but let it play say 3 seconds later once the micro sd has loaded?

Thanks
[MTCB Android Head Units Q&A] heavy_daci:
Thanks dsa8310

That's how I had it set up. The issue was somewhere else, and I think it should be included in the OP, because I think quite a lot of people have/had this issue.

After editing the mount path in your script, installing Tomtom and running it for the first time, you need to delete the folder com.tomtom.xxxxx from inside sdcard/Android/Data

After that, reboot the unit and run tomtom and tadaa, it works! :cowboy:

Thanks all for the great work you are doing.
[MTCB Android Head Units Q&A] Krisjan89:
just to be sure, have you tried pressing both buttons simultaniously in the way described on page 1 ? didnt hear any beep from the unit( my kld units gives 3 beeps, when enterring recovery)
[MTCB Android Head Units Q&A] pboom112:
Have try every possible combination

This units don't have any beeps with speakers connected
[MTCB Android Head Units Q&A] Krisjan89:
would you try the following:

- press both buttons at the same time

- keep them both pressed for about 5 seconds

- then release the reset button

- then release power button

how does the unit react then?
[MTCB Android Head Units Q&A] pboom112:
Unbrick fix NAND

Nothing Still The SAME :crying:

http://imgur.com/Ip35DF7

http://imgur.com/8wzpVNM

Unbrick fix NAND

http://www.hotmcu.com/wiki/Unbrick,_fix_NAND_on_the_marsboard

http://freaktab.com/forum/tv-player...-mk808?1943-Unbrick-or-fix-NAND-on-the-MK808=

What Everyone this will this work
[MTCB Android Head Units Q&A] maxharl:
Please could someone tell me how to increase/decrease DPI??

I have latest coudu's rom (4.4.4 - 800*480 - KLD)
[MTCB Android Head Units Q&A] pakidermo5000:
it looks like a HuiFei with slighlty differnt hardware (gps, amp, etc). I think that you can root this unit with the same method as the HuiFei, because both have RockChip 3066, so Android will be the same.

I think that the worst thing that can happen is that you do not get root.

I do notice that your MCU is newer. Kernel is the same but newer built, would be nice to know whether there are any improvements on the MCU.

Maybe 1-2-Hak can have a look if you can send him the files.
[MTCB Android Head Units Q&A] pakidermo5000:
SWC

[MENTION=2067704]dark alex[/MENTION]

I use your CarService.apk even though I do not have SWC I love it because I like to use the buttons as you can skip songs when not in the player screen.

I don´t know if it happens to anyone else, I use PowerAmp. If I stop the car with PowerAmp screen on, when I boot again, and CArService starts, the music gets in Pause mode. I have to manually play it again. However, it does not happen if the player is playing but I stop the car with another app on the screen.

Is it possible for the CarService.apk to detect whether the 3rd party player is already playing and not toggling the play state? or just set it to play, instead of toggle status ?

PS: just a thought.
[MTCB Android Head Units Q&A] cat2115:
seem like u have the latest MCU than OP..

Then maybe the seller did send me the update version.
[MTCB Android Head Units Q&A] Mister-Z:
Thanks, I will try.

Just tell me how can I get the files from the MCU and I will send you.

regarding some apps, I have seen that one of the improvement it's that the radio stations are saved by name instead by frequency
[MTCB Android Head Units Q&A] cat2115:
Not sure if anyone take a look at this one. Seller sent to me stating it's an update/latest

http://xdaforums.com/showpost.php?p=53468543&postcount=974

Not an update. It's v1.73. Damn seller
[MTCB Android Head Units Q&A] Mister-Z:
I don't know which version has the link, but my unit shutdowns inmediately when the engine is off. Maybe is the same update but I'm not sure.
[MTCB Android Head Units Q&A] 1-2-Hak:
Looks like a later version. Will see if I can get it :)
[MTCB Android Head Units Q&A] pakidermo5000:
Nice, let us know whether it worked.

Regarding the backup, AFAIK either you need root (nandroid backup) or custom recovery.

You can try to follow one of these http://www.technorms.com/39708/android-backup-4-best-options

I have never used one of those, I would try the second one just because it is from ClockworkMod.
[MTCB Android Head Units Q&A] kwalsh24:
Glad you guys are getting support from your sellers, mine keeps blaming the install forvthe issues I've been having, when its not. So annoyed with my seller, keeps pushing me off and says take it to a professional as my car might be rejecting the radio? Err no the car doesn't really communicate to the radio at all otother than to turn it on and off or turn the illumination on.

Poor radio reception, canbus issues, and all im being told is to take it to a professional, not my first stereo install so professional isn't required. ive narrowed the issue exaclty down to the canbus, radio reception likely caused by my antenna adapter, will swap it out and see.
[MTCB Android Head Units Q&A] planert360:
Just want to say that I finally got mine in today! Had it about 2 or 3 weeks ago, just had no time. Fits like a glove... That had to be cut up lol

Little out of date MCU, any reason to upgrade though?

Also Torque came preinstalled on mine, which I through was odd, but it worked flawlessly

Also I noticed mine has a delay, if I shut the truck off, its says shutting down for a second, then goes black, however 10 seconds later if I start the truck again its still running, no boot up. have tested how long that lasts.

But I got it rooted using the method on here in post 1, I have it backed up, and everythings working dandy. The exposed framework with App settings really does the the lower resolution a second thought, I got the text so small I couldnt read it, and it looked good, so Im not at all worried about not waiting for the higher resolution radios.

Even found the Ram boot Animation ;)
[MTCB Android Head Units Q&A] 1-2-Hak:
Could you ask your reseller if they have this version for download?

---------- Post added at 03:17 AM ---------- Previous post was at 03:05 AM ----------

** I checked with Keylo - this is not a Huifei unit. They are working on 1.8.5 and just testing stability at the moment.
[MTCB Android Head Units Q&A] kwalsh24:
how is one able to tell if their unit is a Huifei, I'm crossing my fingers that mine is, as id love to see some firmware changes that they have in store.
[MTCB Android Head Units Q&A] xrapidx:
Is it possible to play a sound (e.g. MP3) on startup?
[MTCB Android Head Units Q&A] gy_ro:
Planert, that's exactly what I have too. Also MCU v1.72, model S07 and serial number zero. Only thing I have noticed is that the screen refreshes jumpy specially when the radio interface is on the screen. I rooted and made a backup yesterday, managed to get v1.77 on it but didn't have time to play with it afterwards to see if that jumpy screen refresh is gone.

Do you have that awkward refresh too?
[MTCB Android Head Units Q&A] felipesalomao:
Hi there, I want buy new car DVD for my Golf 7, I really liked specs of HUIFEI car DVD for golf 7 with android 4.2.2..

But my mean problem is: it must work with all canbus functions of the car.. And golf 7 have a lot of things that are controlled by car DVD, like: door open/close status, fuel consumption, car light control, park assist rear and front sensors, esp control and a lot of another functions.. But I never see any interface on any android 4.2.2 showing this functions...

My question is, these functions will work ? Anybody here have any car DVD with android 4.2.2 (or another android version) that can control these can bus functions ?

When i search car DVD for golf 7, only found car DVD with win ce that can control these canbus functions.. Found video that show it:

youtube. com / watch ? v=yZAuLm_noao

You can see all functions after 3 minutes 20 sec

Here is link for android 4.2.2 golf 7 HUIFEI car DVD: alibaba. com /product-detail/ Wholesale-HuiFei-for-VW-New-Golf_1889527004 .html

Here is link for wince golf 7 witson car DVD: witson. com /en/displayproduct. html ?proID=102035184

----------------------------------

Another question, waze works perfectly on android 4.2.2 HUIFEI car DVD ?

Thanks
[MTCB Android Head Units Q&A] dark alex:
Hi I am sorry this CarService apk is not my work.

But I think the creator will reply for me here :)
[MTCB Android Head Units Q&A] 1-2-Hak:
..hopefully,

he did kill his radio :(
[MTCB Android Head Units Q&A] tcfuk1962:
Just received my unit, the problems I have are:-

1) When radio is on and I switch to SAT NAV Program (I am currently running iGo, but it's the same on CoPilot) I get no sound from the SAT NAV notifications, but I get sound when I am running the stock Meda Player and ProPlayer?

2) I have loaded Torque onto the unit, the Bluetooth see's the dongle and "connects" but the program does not connect to the car it say's the cars protocol cannot not connect.

3) The most concerning thing is I get no sound from the mobile phone (Galaxy S5 cell phone) when making or receiving calls, but I do get sound if I stream music from the mobile (cell phone), I have tried to find a setting but without any luck, I know there is a symbol on the lower right of the Bluetooth screen but that does not seem to do anything. I have had a look at the settings on the S5 and there is nothing that I can change.
[MTCB Android Head Units Q&A] parazit26:
Looks like the ODB does not support your car. I don't have this unit yet but i had this issue when i tried a ODB-dongle earlier this year
[MTCB Android Head Units Q&A] tcfuk1962:
The Dongle works fine on my cell phone, picks up within seconds!!!!????
[MTCB Android Head Units Q&A] typos1:
Isnt it usually downloading that is quicker and uploading that is faster ?

---------- Post added at 02:20 PM ---------- Previous post was at 02:19 PM ----------

Use Malaysk's ROM, try one of the apps that do it, or modify your build.prop.
[MTCB Android Head Units Q&A] Marius B:
Hi guys !

Who can help with this unit ?

I know post is not for this unit.

i want to put usb cable for debug and microphone extern.

Thanks
[MTCB Android Head Units Q&A] ga!nusha:
What motherboard is it ?
[MTCB Android Head Units Q&A] Marius B:
I buy from ewaygps . Is dual os /android gps.

model is ew861b.
[MTCB Android Head Units Q&A] typos1:
Hmm, weird !
[MTCB Android Head Units Q&A] ga!nusha:
It is not a HuiFei type device. I'm afraid you will not find the answer here.
[MTCB Android Head Units Q&A] CARRisma:
Which HU have you got? I previously had a KLD for a couple of weeks and the WiFi was terrible. It was replaced with my current JY and it's much better. I noticed that my JY has a tiny WiFi antenna at the rear (about an inch long) whereas the KLD didn't.
[MTCB Android Head Units Q&A] Marius B:
I il tried , but what find with multimetre ? I dont know very much electronics. Please tell me more how to put multimeter .
[MTCB Android Head Units Q&A] Marius B:
Bad , my multimeter dont work like ohmmeter.
[MTCB Android Head Units Q&A] swanie2000:
a bit off topic

is anyone else being harassed by the stupid advertising banner on the right side of the screen?

I have been following this thread for over 600 pages, and just last night, the banner that should be on the right, seems to jump over to the left side of the screen and cover the first 5-10 words of every line of every post. This happened last night on my home machine running Chrome, and again today on my work machine running IE. I have been able to get the banner to go away by holding down the CTRL button and rolling the mouse wheel 1 click up or down. This changes the screen zoom, and also cancels the banner, until you roll the screen down further to continue reading.

Anyone have a solution for this?
[MTCB Android Head Units Q&A] agentdr8:
AdBlock Plus? I don't see any ads on the right-hand side, just the XDA Portal Posts.
[MTCB Android Head Units Q&A] dougie175:
Great thanks for the help, I also now have an issue with my steering controls pressing twice, for example I use my mode button as a play/pause button so when I press it, it plays for a split second then pauses the track. Or if I use skip track it skips 2. I have tried resetting and teaching the commands again, but nothing works. Have a feeling I may need to clean install again and start again. I will get this right though!

I will have a play with the commands as you mentioned and see if I can delay it enough that the programs and micro sd can load in time before the start playing command is sent.

Just 1 last thing can I edit the install-recovery.sh in its current location on the HU and save it the reboot or do I need to use the terminal emulator each time and replace the file?

Thanks