yashsingh1/xdaforums huggingface dataset:
[MTCB Android Head Units Q&A] gy_ro:
I posted the problems I had earlier in this thread, it took two months negotiating with Kaigele before they sent me the defect chip. In short :

Volume suddenly reduced more than 50% with same settings (after working well for more than half a year). The unit killed 3 out of 4 speakers in my car (Hyundai Tucson).

After taking the unit out of the car and into my lab, it proved that rear channels cause speakers to 'blob', front right speaker gets hot and front left speaker is ok. (tested with new speakers)

So, a friend of mine replaced the IC that is mounted with two screws (and cooling paste) to the back of the unit. The unit is still in the lab now, and all the speaker symptoms are still the same, the volume drop is repaired. Turns out not only the IC went bad, but probably it went bad because of some failing capacitors. I'll let another skilled friend look where all goes wrong. I hope things get fixed ...
[MTCB Android Head Units Q&A] pakidermo5000:
Thanks a lot !!

I installed the latest KGL coudu's version (20150115) and installed viper4Android. The sound improved significantly (note I am using poweramp not the built-in music player).

In the meantime I could figure out that I do not like KGL launcher at all (it has the look of a cheap chinese unit xDD) and I installed KLD launcher instead (smaller and smarter icons, easier to get to app drawer, fancier). I had some problems doing that. I used a titanium backup to restore my old launcher from KLD. :p It worked until I rebooted the unit. Then KGL launcher was back. :confused:

I did many trials so I do not fully know how I solved it. :silly:

Attempt 1 (I think it did not work): Searched for "launcher" in /system with EXExplorer and found some files that were zipped apks. I installed them and it seemed to work. I found 2 kinds of KLD launchers: one in which the "car" button is always on and has clock on the left, weather on the right (which changes to bt, radio, etc). And another one which has digital clock and weather on the left, and analogic clock on the right. This one does not have the "car" button on.

After boot the KGL launcher was back. :confused:

Trial 2 (I think this actually worked): I went to /system and in some folder in there (I think inside app-priv folder) I found an apk called Launcher2KGL.apk. I replaced it with the KLD apk that I found on /sdcard/Android/data/com...estrong.pop/. After doing that, launcher started crashing not letting me do anything. I had to hard reboot. But, after the reboot I got the KLD launcher working just fine. :eek:

DISCLAIMER: I am pretty sure there's a better way to do that. I don't pretend this to be a how-to. Just sharing my experience.

Anyway, I do recommend you to install viper4Android.
[MTCB Android Head Units Q&A] kalle99:
Anyone?
[MTCB Android Head Units Q&A] R4D3N:
It might be a kernel problem. You can try to extract the kernel from the image that works for you, install the latest update that you want and after that install the kernel from the one that was working.
[MTCB Android Head Units Q&A] idrak3:
JY-J-2812 No SOUND

HI Please help.

I had dvd car. Joyous J-2812. I had a problem

1. some time USB unexpected disconnect.

2. and now there's no sound coming out from my dvd.

3. when reverse camera no show. only message 'No Signal'

What i have done is, reset and re-flash the android 4.2.2. but still have same problem.

what else i have to try?

thank in advance
[MTCB Android Head Units Q&A] peti007:
You have to step in Phone Status settings and there is the option to autostart. On the Car Service's main screen the option is just to start/stop the service.

I'm interested in too, but I like the JY launcher (KLD is OK, but I don't like KGL).

The Coudu's 2015 KLD image's sound quality is weaker then the KGL one?
[MTCB Android Head Units Q&A] patagonia1:
If you succesfuly booted into recovery then you should have a screen with different options including system update, you turn the right knob for selecting and then pressing the left knob long until it starts update.
[MTCB Android Head Units Q&A] cesmichel:
It would be easier to use and more clearly.
[MTCB Android Head Units Q&A] typos1:
I ve heard of this problem with KGLs several times before, have you told them that other people have it and that they need to change their design so it doesnt happen again ?
[MTCB Android Head Units Q&A] devilsoft:
There is no Google Play download link. The official Viper4android can be found here: http://xdaforums.com/showthread.php?t=2191223 and here: http://vipersaudio.com/blog/

I recommend the version 2.3.2.2, and you can download it from the official website, and I had made a short tutorial on how to make it work, in this post: #8566

The apk version 2.3.2.2 is attached to that post (#8566).

It could be very cool if [MENTION=853627]coudu[/MENTION] can add Viper4Android by default in his roms, and we just enable it manually from the app if we want that functionality.
[MTCB Android Head Units Q&A] kalle99:
Thanks. But the question remains. Has anybody got bluetooth dialing working through true contacts on a new Android version.
[MTCB Android Head Units Q&A] pakidermo5000:
I can't tell, I have only installed KGL because I have a KGL. But, I would doubt there's any difference.
[MTCB Android Head Units Q&A] tonettothebest:
you are the best! Thank you so much!!
[MTCB Android Head Units Q&A] mrbubba999:
I've had the same issue with mine, update fails on every ROM.
[MTCB Android Head Units Q&A] cpframe:
It's definitely frustrating. I was finally able to flash one of Coudo's roms, so that makes 2 I've flashed. It seems if i get the update img. from a zip file i can update okay. I've tried 4 other roms that were in a rar. format and had no success. It doesn't make any sense to me but that's what experienced. Also both roms I've been able to flash were the pre-rooted roms, 4.4.4. Which roms have you tried?
[MTCB Android Head Units Q&A] CARRisma:
[MENTION=5135188]koimr[/MENTION] I've had the following response from Sygic:

I haven't tried it yet because I'm at work so I'll try it tonight or tomorrow.
[MTCB Android Head Units Q&A] bmccrary:
Thanks for making this great app! This is one of those apps that should have been included in the first place as it's so useful. I am in the process of getting my unit repaired so was just able to test it once, but it seemed to work well! I was wondering if I could make a feature request, or at least see if there is any interest in something like this. I would love to be able to have a way for my phone to alert the Remote Phone Status client app on the head unit. Ideally something that would work with tasker to basically send an alarm to the other side. This is something any user could set up to be a "look at me!" notification on the head unit. Something simple like an alert tone and perhaps a notification that could be cleared out on the head unit side. Since there is already a persistent notification maybe this could just be modified a little when it receives a signal from the phone side? I don't know, just throwing some ideas out. I think it would be nice though if I could have my phone alert the head unit if, say, I have a calendar alarm, a message, etc. and with tasker it would be pretty easy to implement such a thing if Remote Phone Status could just pass a generic "attention" alarm to the head unit. Maybe make it a premium feature if people are interested. I don't know of any good way to do this now that doesn't involve a cloud service of some kind which isn't always available in your car, and the framework of connecting the two already exists with your app.
[MTCB Android Head Units Q&A] bhitman:
No way. Dialing via MTC Service, normal app from playstore und the modified app, (BT and TrueContacts) did no work in Android 4.4.4 (with Android 4.2 it was OK).
[MTCB Android Head Units Q&A] manicuspanicus:
Same here. With the latest coudus rom kgl based I couldn't dial from true contacts. And the service itself was acting weird ( turning toast and other buttons off and on randomly)

Malaysk kld14 rom doesn't even have it. It uses car app.

Στάλθηκε από το GT-I9505 μου χρησιμοποιώντας Tapatalk
[MTCB Android Head Units Q&A] manicuspanicus:
will give it a go. Thank you.
[MTCB Android Head Units Q&A] R4D3N:
I have a problem with Viper4Android.

When I use it with MTCMusic , after 5 seconds it switches the soundfx off but when I press the home buttons it switches again on the soundfx sound and it stays like that I click again on MTCMusic and stay there for 5 seconds,.

The second problem (with Coudu's KDL version) every single time, when I first press the HOME button after I turn on the unit it gives me Launcher.apk stopped working and after that it works ok.

I reinstalled the firmware and the problem remains.
[MTCB Android Head Units Q&A] koimr:
Thanks for this, however it doesn't work for me. Although I have a "sygic" folder I don't have the "maps" subfolder and thus that file doesn't exist. I'm guessing that as Sygic isn't able to get past the "Manage Maps" screen it's not able to create that subfolder in the first place.

I am interested to see how you make out though! :)
[MTCB Android Head Units Q&A] ultradj83:
Have a look: http://www.store4g.com/huawei-e8278/
[MTCB Android Head Units Q&A] devilsoft:
Well, I see your point, but to be honest, Poweramp control is way to basic for me.

I use ViperFX because of all the different usefull settings and applies for all the apps, so I don't need to touch the built-in amp ever :)

Regarding the drivers, I can say they are safe, as this ViperFX is used by thousands or way more users accross the world, on their daily phones...so no spy crap in these drivers, if that's what you're affraid of :)

Like I said several posts before, I use ViperFX for months, without any issue whatsover....I actually love it and I believe that's what makes my HU worth every cent :)

P.S.

For anybody interested, Viper4Android has 3 different profiles (Basic, Moderate and Expert). In Basic profile, settings are grouped in a very easy wau for beginners, but in Expert mode, you have control on everything (Bass type, bass frequency, dynamic bass, Clarity levels, Tech+ levels, and so many other settings).

---------- Post added 13th February 2015 at 12:01 AM ---------- Previous post was 12th February 2015 at 11:57 PM ----------

This never happened for me, but I use KGL firmwares (KGL is more stable in my opinion, and faster I can say...on my HU, don't know the other HU's)

Did you disabled the Visualizer (Spectrum) in MTCMusic ? You need to disable the Spectrum Visualizer in order for ViperFX to work normally.
[MTCB Android Head Units Q&A] tonettothebest:
As #dsa8310 i think that setting are too difficult to set.

May you please post your setting? 2 or 3 photo will be enough. It will be fantastic 4 me and i think olso 4 dsa8310.

Thank you so much
[MTCB Android Head Units Q&A] R4D3N:
Yes, it's disabled. I will try with the KGL version since I have a KGL unit anyway ;)

But, I like the KLD launcher more. Can someone upload the KLD launcher.apk?
[MTCB Android Head Units Q&A] Krisjan89:
You can just rip it from a KLD update.img using RK3066 img mod tool to unpack the image and export the desired apk from system.img using ext2explore.

you can google the 2 tools mentioned, they are fairly easy to use :good:

---------- Post added at 02:38 AM ---------- Previous post was at 01:53 AM ----------

sure thing.

https://drive.google.com/folderview?id=0B-b9Ui2anmUIODhRTjJkc2U1ajQ&usp=sharing
[MTCB Android Head Units Q&A] mrbubba999:
Haven't tried any recently, I tried all the ones as soon as they were released initially
[MTCB Android Head Units Q&A] ktibor69:
This is the link: How to update MCU or IMG

https://mega.co.nz/#!5oYzzC5R!HC4UmG036wuRqCDVy5xqWtpXt8MRfvr_12SDfVVP4so

I recommend to upgrade the MCU v2.16, because my radio became sensitiver. The radio found more radio station.
[MTCB Android Head Units Q&A] gy_ro:
It's been a real pain in the a... before they even would acknowledge that it was a hardware fault, and it's not even certain we will find the true cause of the problem, for now it's only partial solved. I hope we do and will report back here and to KGL what was the real cause.
[MTCB Android Head Units Q&A] idrak3:
the solution given by manufacture to removed the resistor and replaced with new wire :)
[MTCB Android Head Units Q&A] TooBusy:
If you haven't used Mobile Network Settings app, look at your phone (Mobile networks); I guess it depends on Android version if it's visible or not. It's exactly the same. So, to me it looks like this is not even an app, it's more like a shortcut to something that already exists, but is hidden.

It has the first page the same: Data enabled (yes/no), Data roaming (yes/no), Network mode (2G/3G), and of course Access Point Names, where you can view/add/edit/delete APNs.

I'm not sure what you mean by "global" mobile profile. As for the roaming, it's enabled by default.
[MTCB Android Head Units Q&A] pmbp:
"After reading your and others' recent feedback, I decided to give it another try by resetting the dongle to defaults, from modem-only mode. To my great surprise, this did the trick. "

-How can i do that? i tried ZTE MF627 into unit and i can see bars(without network) but nothing more, no internet...the dongle works good on laptop.
[MTCB Android Head Units Q&A] typos1:
It always worked, but I didnt think it would work with MTCmusic.

I tried it today, version 2.3 and 4 something, but the sound does not change at all when I turn the equaliser on or off, the only changes on my HU are the stupid Viper logo in the notification bar :(
[MTCB Android Head Units Q&A] RaZi3L_:
How do you power the unit on desktop? I was trying with an atx power unit, with yellow and black cables (12V).... But it doesn't power on.... Do i miss something?
[MTCB Android Head Units Q&A] agentdr8:
Connect your headunit red and yellow wires to the yellow wire from your power supply.
[MTCB Android Head Units Q&A] RaZi3L_:
Red = acc ?
[MTCB Android Head Units Q&A] bhitman:
BATT (Yellow) and ACC (Red) on + (power unit)

and

GND (Black) on - (power unit).

Have a look on the Iso wire diagram which you find on your device...
[MTCB Android Head Units Q&A] patagonia1:
You need to short 2 pins on the 20 pin connector of the atx power supply for it to turn on. Don´t remember which ones but search on the internet, there many explanations with photos on how to do it.

Regards
[MTCB Android Head Units Q&A] agentdr8:
Ah yes, forgot to mention that (but had assumed he had the PS working already); you usually just jumper the green wire to ground. Pins 14+15 on a 20-pin, and 16+17 on a 24-pin.
[MTCB Android Head Units Q&A] RaZi3L_:
I setup my google account, but when i try to install a previous payed app play store ask me to buy it again.... is this usual?

edit: solved with xposed and play store fix (faking dpi)
[MTCB Android Head Units Q&A] comptechltd:
If you go to the 'Accounts' tab and sync them it should be ok. Once synced your previously paid apps should be availble.

Steve
[MTCB Android Head Units Q&A] idrak3:
Yes it's works perfectly. Now my dvd sound come back again..

Also I had upgrade to 4.4.4.. All app working perfectly..

Sent from my GT-I9505 using Xparent Cyan Tapatalk 2
[MTCB Android Head Units Q&A] the-fabio:
Solution

Maybe my experience is helpful:

I got a Erisin 9746A in my BMW. I drive really much. Last week 1400km a Week, only long Distance.

I tested 3G Sticks, the best working one is the huawei E1750, branded by T-Mobile but simlockfree and used with a different provider.

Differences between 4.2.2 and 4.4.4: on 4.2.2 there is a Connection with Speed:"H" possible, on 4.4.4 not. On 4.2.2 it looks like it is easier for the HU to login & also to hold the signal. Also the shown signal strenght in the icon is mosttime more on the 4.2.2

difference between WITH/WITHOUT the App "Mobile Settings": without the App the the HU don`t choise the right APN-description, so as a result a view apps don`t get Internet Access (Icon color was everytime grey on 4.2.2, normal is blue). And also there was on longer tracks after the signal getting lost sometimes, there was the Message: "Access data changed (same message on 4.4.4 & 4.2.2" -> after, there wasn`t a internet-connection possible.

With the App: "Mobile Settings": Mosttime it works perfect, All apps are getting Internet Access and after "Access data Changed" the connection comes back again.

NOW, with "Mobile Settings" there is only one Track who i drive two times a week where the 3G getting lost (100km with only bad or no signal -> on the end of Track is Perfect internet, but it doesn`t connect again) But not alltimes???....It doesn`t make sense.

SORRY FOR MY BAD ENGLISH, maybe its helpful for you.
[MTCB Android Head Units Q&A] gy_ro:
If you want to use an atx power supply, you have to bridge the green wire to the black one. That way the power supply will start if you put it in the power outlet.

Sorry, seems I'm to slow to answer ... ;-p
[MTCB Android Head Units Q&A] pk313:
Hi...first sorry for my english

Just a small question about OEM radio app...before that i make something wrong.

The translation on mtcradio pty in italian language was wrong, so I decopiled....change some word....recompiled...and assigned 644 to the my new MTCRadio.apk .

OK...i have try to install....i

I have copy into system/app , switch off sys and on...and i was expecting my new apk was working... But SYS says...'radio not installed'.....

So before to make other, i copy again the original mtcradio and back to work as before.

So, sorry for my stupid question, but i have to hard reboot (reset) by press the small hole after i copied the new mtcradio.apk...so the system load and istall the new modd app?

or i forget to do some step?

I know, it's a very simple question for lot of u...

Tks for replies
[MTCB Android Head Units Q&A] terzo33:
Hello guys, I have HuiFei in my Opel Astra J, also you have problems with noise in audio cd, usb, mp3, Bluetooth? I have so many noise...
[MTCB Android Head Units Q&A] Krisjan89:
regarding radio pty tags

hi everybody

was just playing around with the pty translations in the mtcradio.apk. and succesfully added a danish translation of it, so that got me thinking, if people would translate the file to their language, and send it to me, i would be able to make a version with many supported languages.

just open the file in notepad++ and edit the text parts marked in black. then send the file to my email, along with a tag explaining wich language it is. Exampel: strings(danish).xml.

https://drive.google.com/folderview?id=0B-b9Ui2anmUIc0pNMHRxc3JmSlk&usp=sharing

Kristian.thoftgaard@gmail.com
[MTCB Android Head Units Q&A] acun:
new in town

Good afternoon,

Just my first post and i salute u all.

I just bought this unit: aliexpress.com/item/1024-600-2-din-Android-4-4-Car-Dvd-Gps-For-Nissan-Tiida-Qashqai-X-trail/32246400334.html

MCU : MCTB-JY-V2.16

Model number: S07

Android version : 4.4.4_08122014

Is looking great and the screen and the soft buttons are responsive, visually is nice.

But(always is a but...) i have some problems with the software embedded, i spent 3 days reading from post 1 through 875 , most of the tips i forgot already :))

But i saw everyone had the problem with the music not being lowered when in gps app. i tried to mix the values in factory settings but none worked for me, in gps aplication options is Igo and the gps monitoring is checked, gps sound mode is mixing and the ratio is 0, i tried with the option switch but nothing is happening.

Without rooting the unit and install other apps and scripts, is no way to make this working?

Thnx
[MTCB Android Head Units Q&A] pk313:
Many tks.... Problem was just an app for sign...was not working right... I sign using your mentioned guide... Now the modified Mtcradio is working perfectly.

If somebody need the right italian translated... (Pty) i will upload
[MTCB Android Head Units Q&A] Krisjan89:
could you send the translated strings.xml file to my email? and i will include it in the mtcradio, i am planning to make version of mtcradio with a wide amount of supported languages.

kristian.thoftgaard@gmail.com
[MTCB Android Head Units Q&A] deedeebulldog:
Rom suggestions

Hey guys, I just picked up one of these units (http://www.amazon.com/Universal-Nav...icrophone/dp/B00PU14VKY/ref=pd_rhf_pe_p_img_4)

Its A KLD. I was wondering if anyone could recommend a good rooted rom. More info if needed. Android 4.4.4, Model SO7, MCU MTCB-KLD-V2.22

Thanks
[MTCB Android Head Units Q&A] typos1:
There are links to rooted KGL, KLD and JY 4.4.4 ROMs on the first page, Malaysk and Booroondook have custom ROMs, youd need to do a thread search to find them.
[MTCB Android Head Units Q&A] geezi:
I have the exact same problem with my Opel Corsa...

The company I bought the headunit from suggested I must buy this filter from them. It helped but I still get the hissing/white noise
[MTCB Android Head Units Q&A] terzo33:
Where can I buy this filter? Thanks a lot
[MTCB Android Head Units Q&A] gy_ro:
Hi Kristian,

I just mailed the Dutch(Belgian) translation.

Thanks for your efforts :good:
[MTCB Android Head Units Q&A] maxharl:
I have an Eonon GA5153 (mcu kld 2.20)

I've just upgraded to latest coudu's rom (4.4.4 kld version 150113), great rom but I lost radio signal.

I can hear only noise. With previous 4.2.2 stock rom Radio worked fine.

Any suggestions?
[MTCB Android Head Units Q&A] gy_ro:
Play with the settings in Factory, wrong rsdio chip could be selected. Be sure to reboot after changing the setting.
[MTCB Android Head Units Q&A] maxharl:
Already tried all of the listed modules, none worked.
[MTCB Android Head Units Q&A] pk313:
my modified string had just corrected to show at pty20 and pty23 right

because i found that pty code names in the original strings are correct as per European Radio data system codes,

I realized that something on the system assign wrong code numbers, i think something in the app itself... for example for a sport radio show (education)pty5 , for a music radio show(religion)pty20 , so incorrect.

I just modified pty list and assigned words at two lines to have the right indication,

attached the original strings IT that is corresponding the the international PTY code list, but what you see on the display is wrong
[MTCB Android Head Units Q&A] deedeebulldog:
Thanks, I have read through the file repository. I was just wondering from a user stand point if there was a preferred one.

Also how is the unit with heat? I'm not sure how long you have used it, but mine came with a fake exhaust fan. I can put one in if needed.
[MTCB Android Head Units Q&A] zipza:
I am studying this thread for quite some time now, but wasn't able to figure out:

I have an Erisin 9610A headunit (universal type) Android 4.2.2 MCU MTBC-KGL-V2.06 (date: Oct 10 2014, 11:14:58).

In the repositories, the latest KGL firmware seems to be KGL_V_2.09_(20141030). When I download that FW, it contains the MCU MTCB-KGL4-V2.09.

In the first posting, I see that

MTCB-KGL1 --> This is the mcu for BMW and Mercedes (KGL5 is also for BMW)

MTCB-KGL --> This is the mcu for the other car makers​

So is this later MCU version also for a special car type version? Should I upgrading the Firmware rather stick with my MCU version?

Besides:

Is it correct, that for KGL only Android 4.2.2 exists. If I wanted to upgrade to KK, I would need to switch to KLD?

Sorry for the noob questions!