yashsingh1/xdaforums huggingface dataset:
[MTCB Android Head Units Q&A] sickbro80:
Just stumbled on a really long post on some Russian forums with a ton of great information. I found the MTCB-GS-v1.90 and updated my unit. Seemed to fix some wifi dropping issues I had. Haven't really played with anything more than that.

Forum link

http://4pda.ru/forum/index.php?showtopic=557670&st=1960

Google drive link with most (maybe all) version releases.

https://drive.google.com/folderview?id=0BxmzvLRI7-eNeVA2SWkwM1pLZ28&usp=sharing

---------- Post added at 12:11 AM ---------- Previous post was at 12:03 AM ----------

I'm not sure it matters much. Maybe some people with vehicle specific units might have some more feedback, but it seems that they are pretty much all running the same android with small differences in interface, and I'm sure some behind the scenes stuff.

What I would recommend is buying from whoever will give you firmware updates in the future. Seems like most of them trickle onto the boards, but it seems like the seller should be able to provide them if asked, my seller acted like the software was etched in stone and would never change when asked. Luckily some people somewhere are getting updates from someone and posting them for us.
[MTCB Android Head Units Q&A] MBj1703:
Did you reads my answer?

Boot into recovery, do the update.

Everything remains of the unit, except some settings
[MTCB Android Head Units Q&A] antvic:
Thank you for your quick response.

We are talking about ROM malaysk yesterday October 13, I guess.

Herein the recovery image, tell me if the option to choose is:

“update system/mcu image from sdcard”

This is the option I chose for the previous September 6 ROM and deleted my personal applications.
[MTCB Android Head Units Q&A] MBj1703:
yes, this is the option. It is just an update without wipping.

The other option "AND CLEAR ALL", as the name say's, will wipe all our apps and data.

Worked for me, should work for you as well, but no guarantee :D

Maybe by clicking the power button to activate, you changed by accident to the ...and clear all section?
[MTCB Android Head Units Q&A] A.Recio:
Could anyone help me? Thanks!
[MTCB Android Head Units Q&A] MBj1703:
Take the 3188
[MTCB Android Head Units Q&A] Sasha0574:
You from Europe? Might want to try their mothersite and have it delivered from the Germany warehouse. And RK3188 is a quad core processor with 16GB of memory, while RK3066 is only dual core... not the same... besides, I owned both 800x480 and now 1024x600 and I sincerely recomend the later...

I have this one now: http://www.carjoying.com/review/product/list/id/348/category/119/
[MTCB Android Head Units Q&A] ktibor69:
What is the difference between the RK3066/800x480 HU and RK3188/1024x600 HU in speed. And what difference have you felt yet?
[MTCB Android Head Units Q&A] A.Recio:
Yes I am from Spain! The seller from AE is the same than carjoying website, he sent the products from Germany too ;), and the price is quite lower than in the official page. Yes, both of them are 1024x600, i think this one is the better resolution.

Are you happy with your unit? It looks so good!

Many thanks!!
[MTCB Android Head Units Q&A] pax83:
How the hell can I install Google play store to this device?

Specs:

Model Number: S07

S/N: 000D18A123B1

MCU version: MTCB-HA-V2.73 Aug 13 2015 13:38:34

Android version 4.4.4_18092015

Kernel version 3.0.36+ root@chun #503 Fri sep 18 08:54:16 CST 2015

Build number rk3188-eng4.4.4 18092015. 12:05:40

CPU ARM coterx-A9 @ 1.6GHz (x4)

Memory 1024Mb
[MTCB Android Head Units Q&A] Brendo:
Yes, firmware before that did not support update keeping files

However, if you do get problems, you'll need to wipe
[MTCB Android Head Units Q&A] DJCannonball:
[MENTION=3590033]Malaysk[/MENTION] why not remove all KLD MCUs above version 2.55 from your signature and repository? as they kill our am/fm radio module and volume knob:

KLD v.2.64 from sleep mode - HERE

KLD v.2.64 with sleep and redesigned sound processor from darkleo - HERE

KLD v.2.78 from sleep mode - HERE

i suspect they aren't even KLD compatible, please check

KLD MCU 2.55 is safe to use and seems to work best as well
[MTCB Android Head Units Q&A] Brendo:
Download the apk and install? You may need to go into factory settings (126) and allow to install apps
[MTCB Android Head Units Q&A] :
I use KLD2 2.72 which was posted as 2.78 wrongly in this thread, this is working very well. 2.55 is not working with my radio. So bad idea to remove other MCU´s. :)
[MTCB Android Head Units Q&A] DJCannonball:
careful, there's difference between KLD, KLD1 and KLD2

you seem to have KLD2, i have KLD

i was talking about the 'KLD' MCUs specific
[MTCB Android Head Units Q&A] Malaysk:
I have installed KLD v.2.64 with sleep and redesigned sound processor from darkleo a month ago, and it works fine ;)

I have a unit KLD
[MTCB Android Head Units Q&A] DJCannonball:
Then i asume you don't use the AM/FM radio module at all?
[MTCB Android Head Units Q&A] :
Ah ok, i missed that.
[MTCB Android Head Units Q&A] Malaysk:
Constantly I use. And I have everything working FM
[MTCB Android Head Units Q&A] DJCannonball:
and how about KLD v.2.78 from sleep mode

did you test that one as well?
[MTCB Android Head Units Q&A] antvic:
Hola, soy español como tú. Te enviado un mensaje privado.
[MTCB Android Head Units Q&A] DJCannonball:
i did some extensive testing. i was on KLD MCU 2.55 dark leo. i flashed KLD MCU 2.64 dark leo -> radio went absolute dead!

then from KLD MCU 2.64 dark leo, i flashed KLD MCU 2.55 dark leo -> radio still dead!

the wierdest thing is: each time my radio dies because of faulty MCUs i have to go ALL the way back flashing KLD MCU 2.30 to get my radio restored again.

from there, i can go up to KLD MCU 2.55 darkleo. that's the highest i can go!

any MCU higher than that (listed on your signature) will kill my radio. it's very strange it doesn't seem to kill yours ???

i don't get it
[MTCB Android Head Units Q&A] Sasha0574:
Faster, better sound, better image quality... for now... plus, since I changed designs, mine is now full touch, no knobs...

---------- Post added at 12:21 PM ---------- Previous post was at 12:18 PM ----------

I am for now. Especialy since I run music through Jet Audio instead of their native player... It' s excellent, even on my Octavia mk2 stock speakers.
[MTCB Android Head Units Q&A] Malaysk:
No. MCU 2.78 I have not tested. 2.64 - everything is working. On the Russian forum had no problems, no one with this version. You first wrote about the issue.
[MTCB Android Head Units Q&A] DJCannonball:
2.78 and 2.64 have the exact same effect on my radio. it kills the radio module.

i wonder why 2.30 is the only mcu that restores my radio! even when i had 2.55 flashed it didn't restore the radio module.

each time i have to go back to 2.30 first.. in order to flash 2.55

i really dont get it.

i am not the only one with this issue, [MENTION=2831775]gnox[/MENTION] has the same issue:

#19582
[MTCB Android Head Units Q&A] Telemachus:
Really, the MCU that is best is the one that works BEST for your unit. There is no need to go higher, lower, etc if everything is working fine.

Although these units are all unified in this one (massive) threat, they are all quite different, with different MCU, different manufacturers, and very little quality control.

It is best to have a selection of MCU for if you mess yours up.

Although playing with ROMS is a good idea, I think messing with the MCU that comes factory stock on any of these units is generally a bad idea, unless that new MCU file comes directly from your manufacturer.
[MTCB Android Head Units Q&A] pax83:
Thanks

I tried this I Installed google play services and google play store but it gives and error when I'm downloading from play store. Is it possible that I installed the wrong version of play.apk what would be the correct version of play store for android 4.4.4?
[MTCB Android Head Units Q&A] DJCannonball:
actually, there is definitely a need to go higher. as there is some significant changes in audio proccessing.

all 4 versions i mentioned DO sound different. if they don't sound different to you, then install some amps, some tweeters and a subwoofer

then you will hear what i mean. soundquality means a very big deal to me.
[MTCB Android Head Units Q&A] Sasha0574:
True, but then again no MCU in the world will give you the quality or DSP of a dedicated player software. MCUs are all about making the unit work, and pretty much limited in the way of sound codecs, processing and stuff like that. Tested the difference myself, and for now didn't see a competitor for the DSP effects that Jet Audio has for instance... In my oppinion, it even makes the Poweramp sound poor, especialy when I engage the Buongiovi DSP...
[MTCB Android Head Units Q&A] DJCannonball:
i agree, but i'm still looking for that one MCU that does absolutely nothing with the sound. I don't want the MCU to interfere with the sound AT ALL

I just want a clean 'as is' sound throughput into my amps, and let my amps do the sound proccessing.

the point is: i haven't found 1 single MCU that doesn't do absolutely nothing to the sound.

for now KLD MCU 2.30 sounds best, but occasionally my volumeknob stops working.

that is fixed in MCU KLD 2.55, but it has worse quality of sound.

do you get my point?
[MTCB Android Head Units Q&A] pk313:
....2.55 mcu kld give the better sound of mcu clear difference

Anyway I agree with you

Nothing is like equalizer effect..dsp and so ..on audio jetplayer ...sounds fantastic like the better car stereos

This is what's needed...an mtc equalizer that incorporate codec sound effects of jetplayer

Viper4android is OK. ...but lot of trouble...so easy if the oem equalizer can be modified and altered to mix effects and settings like jetaudio

I hope that some developer will be able on the future to do this

....the oem equalizer integrated with quality effects of audio jetplayer

May be the final solution for sound improvement

Inviato dal mio SM-A500FU utilizzando Tapatalk
[MTCB Android Head Units Q&A] Sasha0574:
I get your point but I'm affraid you won't get that kind of MCU unless you get someone to custom-make it for you...

---------- Post added at 02:11 PM ---------- Previous post was at 02:09 PM ----------

You are talking about advanced sound processing... I doubt the Chinese are willing to go that far... it means costs, investment... money that I doubt they will be willing to fork over any time soon, especialy on digital sound processing technology like the one available on Jet Audio... it would be nice, but I realy doubt it...
[MTCB Android Head Units Q&A] DJCannonball:
i have ran some MCU.IMGs through notepad++ to do my own modifications, but it can;t make any sense of it.

any volunteer wanting to help me modding an MCU image?
[MTCB Android Head Units Q&A] comptechltd:
Thanks,

When I read I did not see the part about turning off RDS.

BTW, I am using MCU 2.64 with the sound improvements and it works perfect

Steve
[MTCB Android Head Units Q&A] robertogerent:
Hello Nir,

I know that it´s a long time you posted this ...

But, I am facing the same problem and really needs your help for that :)

Can you please share you contact or send me one email : roberto.gerent@huawei.com

Thank you a lot :)
[MTCB Android Head Units Q&A] Malaysk:
The arrow shows the
[MTCB Android Head Units Q&A] ktibor69:
Can you share the mtc-radio.apk?
[MTCB Android Head Units Q&A] Malaysk:
Why is the old firmware posted - http://www.carjoying.com/Joying-blog/12.html 25.08.2015

mtc-radio - XPOSED
[MTCB Android Head Units Q&A] Sasha0574:
you mean the "oct 14"?
[MTCB Android Head Units Q&A] Malaysk:
Yes, link opens there on August 24, the firmware
[MTCB Android Head Units Q&A] Sasha0574:
It's midnight there, maybe they mixed them up:cool:

PS: just sent "Rambo" a message to check it out. We'll see in the morning if it changes
[MTCB Android Head Units Q&A] doctorman:
Joyous ROM Update October 14, 2015 last 4.4.4 ROM

Deleted
[MTCB Android Head Units Q&A] nixfu:
FYI, Carjoying has posted new android firmware today with an interesting note.

http://www.carjoying.com/Joying-blog/12.html
[MTCB Android Head Units Q&A] mattwheat:
Yes it is. I was able to update the MCU to a modified version. Can't really tell the difference though. But the rooted ROM error'd out do to signature verification failed

---------- Post added at 11:29 AM ---------- Previous post was at 11:24 AM ----------

What's the special settings password
[MTCB Android Head Units Q&A] gnox:
I've either lost radio or hardware buttons on every KLD MCU above 2.30. I've come to the conclusion I'm stuck on it and will never have the extended sleep mode :(
[MTCB Android Head Units Q&A] DJCannonball:
Jeez.. Are you absolutely sure your HU is really KLD? Could it be some other type which needs another type MCU?

I would go crazy in your place
[MTCB Android Head Units Q&A] gnox:
Ya, it came with KLD 2.30 originally.

It's a generic ( not tied to particular car model) - but I've learnt to live with it!

Still a hell of a lot better then the stock Saab 93 stereo, but the sound quality could be better alright.

Tbh - the lack of a working AF radio function is what REALLY pisses me off.
[MTCB Android Head Units Q&A] Marius B:
[MENTION=3590033]Malaysk[/MENTION]

Hi !

Can put your news moded apps for hd resolution ?

for radio (with name modded), ....

Thanks.

---------- Post added at 07:57 PM ---------- Previous post was at 07:57 PM ----------

[/COLOR [MENTION=3590033]Malaysk[/MENTION]

Hi !

Can put your news moded apps for hd resolution ?

for radio (with name modded), ....

Thanks.
[MTCB Android Head Units Q&A] HenrikH29:
Anyone tried the new firmware or know whats new ?
[MTCB Android Head Units Q&A] pax83:
Quote:

Originally Posted by osmononame

Hi all, just got my new Joying hu installed. Mcu-jy-v2.53.

Its all set up fine but the unit is draining cars battery and car needs a jump in the morning. Anyone had similar issues?

Il have te same problem, power off on ACC delay is set to 30sec but after the time hass passed the unit is stil on (I think, it's like spinning sound from the cooler but I'm not sure). In the morning when I start the car there's no cold boot either the head up unit starts instantly.

How can I check if my ACC CONST wires are mixed up? Is there some kind of test for that?
[MTCB Android Head Units Q&A] DJCannonball:
Ah, the AF-thing is pissing everyone off. I can't stand that i can't get such a simple feature to work. Any cr@ppy cheap@ss carstereo has a working AF these days, why can't our Android HUs have it?

Anyways i'm looking into dvb-t modules for dab+ reception in combination with wavesink. Dab+ doesn't need to AF

I ordered an in-car dab+ areal. Should have it by this weekend
[MTCB Android Head Units Q&A] gdsalin:
GPS Navigation

Yes, RAV4.

I installed already the new firmware Android 4.4.4 and everything working fine.

My original MCU : KLD v.1.86 but my radio didn’t work and I installed KLD v.2.78 but still I don’t have sound on my radio. Next days I will try to play to install other MCU versions.

Thank you so much for your help.
[MTCB Android Head Units Q&A] 1nfinitum:
Hey guys, I'm having a problem with the mirror link (easy connected) app. I'm running a KLD rom on 1024x600 unit that didn't come with it preinstalled. After installing it from the OEM folder I link up my phone (with USB debugging on) and after a few moments I get a black screen and the app freezes up. Has anyone had this issue before? Any ideas on what I can try? This worked previously on the stock rom.
[MTCB Android Head Units Q&A] pwb001:
standby affects remote lock/unlock

Very new contributor, and probably out of my Android depth, but i have a Joying unit, upgraded to 4.4.4. It turns out that the "power off on ACC delay" setting actually interferes with the remote key lock/unlock of the 2008 Aurion Sportivo Zr6 this unit is in. Sort of like while the unit is on "standby" but drawing power from the ACC, the vehicle will not allow the lock/unlock function to work. Version 4.2 did not have the standby time feature so it wasnt a problem. Is anyone else having this sort of problem? Part cure is to set it to 30 seconds, but even that requires waiting that 30 seconds until the car can be locked. Very frustrating (particularly since early diagnosis was a fault with the vehicle, and $650 of parts and labour later we figured it out....). Any thoughts?
[MTCB Android Head Units Q&A] manicuspanicus:
Hi there guys.

Facing a really weird problem with [MENTION=3590033]Malaysk[/MENTION] roms. Have istalled the latest from October (really great job there) however my gps doesn't lock satellites anymore. Most of you would say perhaps it's a hardware problem or even something maybe loose,however if I go back to the August rom by Malaysk everything works. This happens on my KGL with 2.72 mcu installed. If anyone else is experiencing the same or even has a clue what maybe going wrong please share. Cheers.

Στάλθηκε από το GT-I9505 μου χρησιμοποιώντας Tapatalk
[MTCB Android Head Units Q&A] JEMShoe:
For my radio I do not need the latest and greatest Android OS. All I need is media (radio, podcasts, stored music, etc), navigation/alerts and hands-free phone calls with as little required screen touching while driving as possible.

For my tablet, the Android 5 enhancements were usable and desired but not worth the instabilities (maybe later when it runs better on older hardware).

---------- Post added at 01:45 ---------- Previous post was at 01:41 ----------

Annoyance: I post a reply to this thread and the forum keeps appending my reply to some previous post as if I am replying with quote or multi-quote.
[MTCB Android Head Units Q&A] Malaysk:
You have the firmware for 1024? Try to replace the file programm Root Explorer system\lib\hw gps.rk30board.so and put the file permission to 644 and reboot

View attachment gps.rk30board.rar

I do not understand, sorry.
[MTCB Android Head Units Q&A] manicuspanicus:
Firmware for 800x480 rk3066. Will try what you told me! Thank you my friend!

Στάλθηκε από το GT-I9505 μου χρησιμοποιώντας Tapatalk
[MTCB Android Head Units Q&A] Sasha0574:
Anyone managed to download and fiddle with the "latest" Joying update yet? I can't even manage to unpack the archive, keeps telling me it's corrupted or incomplete, and the timestamps on the two files inside show "last modified in august":confused:
[MTCB Android Head Units Q&A] abezze:
I have another issue with 2.64 darkleo and 2.78 mcu KLD on my KLYDE 3066.

The microphone is bad... no one can hear me during phone calls.

I went back to 2.55 KLD darkleo and people now can hear me during conversation quite good.
[MTCB Android Head Units Q&A] SKOLSC:
Hi all.....

My name is SKOLS and i recently get a greenYi 4.4.4 KK KGL 2.55 quad 1024 HU.

I rooted it with rootmaster and it worked fine for me....

I install:

- Xposed FW

- XposedMTC

- GMD gesture

- Microntek RK3066 to control Deezer with SWC (i'm waiting for Carservice update that allow to control Deezer)

BTW, i've some questions about XposedMTC :

- is it possible to assign some shortcuts to SWC buttons? (i think about a long press that switch to Home for example)

Another things:

- is it possible to keep some application open, even when the device switch off? (i think about deezer, GMD and microntek). The boot time is long, but the App loading time is long too.....

That's all for the moment.

BR

SKOLS
[MTCB Android Head Units Q&A] Telemachus:
These things need a robust battery. Whoever installed it no doubt had the dome lights on for an extended time. Compound that with an old battery.

Get a new one (battery )
[MTCB Android Head Units Q&A] mike.s:
Does your unit have a CANbus box/connection?

If it's related to the car seeing a power draw, the obvious thing to do is to connect the unit's constant (B+, 12V) power input to a different power source in the car.
[MTCB Android Head Units Q&A] Ch1337:
Hey, guys!

I got myself a new head unit, dual core 4.4.4 from Joying (RK3066 JY).

I'm happy with it, but I'm having some sound issues.

I've only testet via bluetooth as for now, but I know it's not the speakers that are bad.

Problem is, when I play songs with high frequency tones, especially metal (Cymbals and guitar riffs), there's a crackling/scraping sound when hitting the high tones. Almost like when using speakers with a very weak amplifier, but not excacltly like that. Kinda hard to explain, really.

I tried installing new software, but it hasn't changed anything.

Is there any way I can update BT-driver, or does anyone have a solution for it, perhaps?
[MTCB Android Head Units Q&A] :
Try to Lower down Volume in Source device. I had the same with my old Car System. Output 100% Source, 40% System = Cracking Noise. Output 80% Source, 60% System, Crystal Clear. Later than, the Source regognized this Setting and sets automaticaly 80% to the connected device.
[MTCB Android Head Units Q&A] Ch1337:
Thanks for your AWESOMELY quick reply!

I haven't tought of it, but I'll certainly try it out.

I have tried on two almost similar head units (Both android 4.4.4), and it haven't been an issue with those.

Anyway, I'll post some feedback when I've tested!

+1
[MTCB Android Head Units Q&A] :
No Problem, hope it works. Not Multi devices like headsets, etc, have a fixed volume level approx 80dba Line Level, you cant control the volume at source then. If the device is able to handle other services, the volume is often free to change, so you are able to use more than the "line level" but its too loud for the signal processor which normaly gets only line level. That makes noise and scratches normaly.

Anyway, the devices are very cheap in producing and as you can in the internal/external microphone issue, there are many noise emitted from the system itself. Badly the bluetooth audio signal will bypassed trough the complete board as analogue audio i guess.
[MTCB Android Head Units Q&A] solmer:
Power loosing while starting the car

Hi I've been looking all the post to find a solution but I can't find a good one....I know that it has been asked before but I can't do the mod to prevent my unit reseting while turning the ignition ON. As far as I know I have to use a capacitor with a diode to solve the problem bur I don't know which capacitor type/value should I use to go ahead with the mod. A non ASCII Schem will be perfect !

Thanks in advance for the help.
[MTCB Android Head Units Q&A] Sasha0574:
Interesting... mine doesn't do that...
[MTCB Android Head Units Q&A] JEMShoe:
RE: Steering wheel buttons and Podcast app

Also please add "Pocket Casts". I am using "Player FM" because it is free so it allowed me to evaluate a podcast app on the JYHU for free. Most review sites say that "Pocket Casts" is the best podcast app with PlayerFM being second on several review sites. Once I get the steering wheel button control, I will get the best podcast app I can because I have found that I enjoy podcast app on my JYHU more than radio since what I listen to most is national public radio (NPR). Unlike radio, on long travels the podcast never breaks up or becomes staticky after 40 miles!

JYHU

CPU: RK3188 1.6GHz Cortex A9 Quad Core

Screen Resolution: 1024*600

OS: Android 4.4.4 kitkat
[MTCB Android Head Units Q&A] DJCannonball:
I think he means something else: bad re-samplingrates and bad choice of codecs in bluetooth negotiation

I have the same problem. the sound quality is fair enough okay, but the hight frequencies don't sound right.

i have looked into this and tried to solve it, but you can't

when connecting 2 bluetooth devices, there will be a negotiation about the choice of codec to use and samplerates etc

somehow our HUs fail to choose the best codec with the best samplerates. i have tried to mod config files, ini files, even tried another usb-bluetooth radio. you can't change it. the negotiation part takes place in the firmware of our HUs.

so.. i learned to live with it and therefore i don't use bluetooth A2DP bluetooth stereo streaming anymore on my HU because it sounds prettymuch worthless.

i still have some hope it will be better when firmware 5.0 will be released.
[MTCB Android Head Units Q&A] solmer:
Hi Thanks !!!!

I'll try right now :)

---------- Post added at 01:28 PM ---------- Previous post was at 01:28 PM ----------

Thanks a lot !!!

I'll try right now :)