yashsingh1/xdaforums huggingface dataset:
[MTCB Android Head Units Q&A] agentdr8:
It's defined as a 3-dimensional array:

this.defaultfreq = new int[][][]
{
0{
0{ 87500000, 90100000, 98100000, 106100000, 108000000, 87500000 }, 1{ 522000, 603000, 999000, 1404000, 1620000, 522000 } },
1{
0{ 87500000, 90100000, 98100000, 106100000, 108000000, 87500000 }, 1{ 522000, 603000, 999000, 1404000, 1620000, 522000 } },
2{
0{ 65000000, 67100000, 70400000, 72500000, 74000000, 65000000 }, 1{ 522000, 603000, 999000, 1404000, 1620000, 522000 } },
3{
0{ 65000000, 67100000, 70400000, 72500000, 74000000, 65000000 }, 1{ 522000, 603000, 999000, 1404000, 1620000, 522000 } },
4{
0{ 87500000, 90100000, 98100000, 106100000, 108000000, 87500000 }, 1{ 530000, 600000, 1000000, 1400000, 1710000, 530000 } },
5{
0{ 87500000, 90100000, 98100000, 106100000, 107900000, 87500000 }, 1{ 530000, 600000, 1000000, 1400000, 1710000, 530000 } },
6{
0{ 76000000, 76400000, 85600000, 87000000, 90000000, 76000000 }, 1{ 522000, 603000, 999000, 1404000, 1629000, 522000 } },
7{
0{ 87500000, 90100000, 98100000, 106100000, 108000000, 87500000 }, 1{ 522000, 603000, 999000, 1404000, 1710000, 522000 } }
};

The first index is the region; selected in the Factory Settings menu. The second is band; 0 is FM, 1 is AM. And last is the channel frequency.
[MTCB Android Head Units Q&A] markastor:
Anybody knows what this unit is or where I can download firmware for it?

I would like to extract from tis firmware the launcher and the radio apk.
[MTCB Android Head Units Q&A] typos1:
I ve seen the Newsmy one as well, didnt realise they both had forums on XDA, more threads to spend ages reading :eek:
[MTCB Android Head Units Q&A] dmandn:
Prerelease samples of the Ownice unit are shipping at present.......currently awaiting one.
[MTCB Android Head Units Q&A] Martin_5224:
Thank you!

My experiments showed me, I cannot preset all 18 frequencies, 6 only. I tried to install newer versions of MTCRadio, but those of them which have friequencies presets in RadioServis. smali, cannot work properly under 1.77, so the only my hope is to XposedMTC modification!
[MTCB Android Head Units Q&A] kwalsh24:
Sigh, its gotten colder here on Canada, and now my screen in my radio is starting to show that, the bottom inch of the screen flickers when its cold, also notice that the screen is fainted a bit too. Anyone else having similar issues ?

Also has anyone gotten any responses from sellers sselling the 1024 models for VW spec?
[MTCB Android Head Units Q&A] typos1:
No, its NOT your only hope - you could save yourself a load of time and effort and just update to the latest version instead of worrying about the possiblity of problems that have long since been sorted and that no one else is reporting.

I could understand if you had tried the latest versions and had the problems the you are worried about, but you havent even bothered trying, all your worries are based on what youve read from months ago, nothing that youve actually experienced and youre ignoring the advice of people who have the latest versions and have not had the problems you worry you might get.

Plus some people on here are wasting their time trying to help you sort a problem you may only have because youre using an old software version, or that may possibly turn out to be a hardware problem (if it still persisted after update to latest version) and therefore may require the unit being opened up and being repaired or being returned for a replacement.

(bangs head against wall again)
[MTCB Android Head Units Q&A] agentdr8:
I can't imagine why it wouldn't work, as the RadioService is started by the RadioActivity, not the MicrontekServer.

Either way, I've found the method for the older Radio package that resets the presets, and will include it in the next XposedMTC release.
[MTCB Android Head Units Q&A] zorantoma:
SWC problem

Since yesterday i have a problem with my SWC. If i press Forward or back a second player starts to play simultanius with the stock mp3 player. The second player is listed as( music root 4.2.2 ... ) in titanium backup. Tha funny thing is if i uninstall the player with titanium it gets back on the next boot.

My unit is rooted and nothing else.

Any clues?
[MTCB Android Head Units Q&A] Martin_5224:
Thank you in advance!

Concerning working of various versions MTCRadio, this is my supposition, because the location of array blocks is the only visible to me distinction among them. In fact, all of them started well, but newest versions (2.01, 2.03) stopped after my trying to set frequencies (I mean, manually, by standard way) , a pop up message informed about an error, radio vanished from the screen, and it continued playing anyway. It was nothing possible to do, but to restart the HU after that. This is the way things are...
[MTCB Android Head Units Q&A] agentdr8:
Ah I see. There is probably some other dependencies that the newer Radio version rely on within the MicrontekServer. Like [MENTION=456516]typos1[/MENTION] stated, a lot of these issues would be moot if you just flash a newer system image.
[MTCB Android Head Units Q&A] typos1:
KIT KAT !!!!!!!!!!!!!!

I got an update from Klyde the other day, just thought I d flash it and . . . . .

Its Kit Kat !!!

And everything seems to be working . . . apart from its the wrong screen res for my 6.5 inch unit :(

I ve done a little video for everyone, although its pretty much the same as the pics weve seen of units with Kit Kat, still I thought people would appreciate it.

Because the screen res is wrong its hard to use the screen.

I try in the video to go into factory settings, but I gave up in the end as its hard to hold a phone and use the touch screen when its set to the wrong res at the same time.

I did mange when I wasnt recording and I noticed that there are many more CAN Bus options. Maybe it will sort the CAN bus problems some people have been having ? I ll upload it to youtube and post a link later - havent logged into youtube for a while and now it wont let me, god how I hate Google.

Edit: managed to install Nomone Resolution Changer and found out its the 1024x600/300dpi firmware, which is why its not displaying properly, Nomone requires root, pretty certain root access has disappeared, tried to re root using the chinese app, but cant - its too difficult to use that app and a screen with bits cut off cos its the wrong resolution. Webdude said he couldnt root it at all, so I may not be able to even if the res was right. Gonna have to contact Klyde and get the lower res kit Kat update.

(And even though it was an update to a totally different Android version ALL the settings were saved.

As I backed up my apps with Titanium back up, I can restore everything to how it was before the update in minutes.)
[MTCB Android Head Units Q&A] typos1:
Duplicate post :(
[MTCB Android Head Units Q&A] agentdr8:
Keep us posted. Very interested in getting KK going, especially once a root method is determined.
[MTCB Android Head Units Q&A] kwalsh24:
Quick question, my seller actually responded to my concerns about my radio amd its screen! What website can I use to upload a good video of what's happening with my screen? He wants me to email it to him but i have a feeling he may not get the file due to it's size. What site can I use so I know it can be viewable I'm china?

Tonight my screen wouldn't even turn on :( but I could select different radio stations with the black screen haha
[MTCB Android Head Units Q&A] agentdr8:
Try the latest experimental build (1.2.8h) on the repo. It has a preference to support older Radio versions.
[MTCB Android Head Units Q&A] antiguangenius:
64gb only formats in the SD slot not the gps slot
[MTCB Android Head Units Q&A] 83martin83:
Google Drive ? ;)
[MTCB Android Head Units Q&A] chris--67:
New member with new version of KGL firmware

Hello everyone, new member here, first post [MENTION=243864]xda[/MENTION].

I am not a developer but have had experiences with Android and read many threads here for years before... and finally decided to start contributing.

I bought one of those 7" RK3066 devices with specific front plate and CAN-Bus adapter for my Mercedes W203 at aliexpress. I couldn't tell if it was a KGL. I couldn't even tell the differences between those RK3066 devices, apart from the UI at that moment. And while I was waiting for the HU to be delivered, I read the wiki about these HUs and the MCUs (thank you very much for the hard work you put into it - i'll try to get it back to you in one way or an other) and tried to read this very long thread. But it's really much too long. It took me weeks to get to page 160. But I read enough to understand how these HUs work.

So I got the HU and installed it in my car. All wires were connected properly as far as I can tell (it's just a matter of P'n'P anyway), but it won't start in normal mode. I can get it to go into android recovery (by long pressing power button while short pressing reset) but then when I select "reboot system now", the screen gets black, the button lights go off and nothing else happens. The HU seems to stay off. Maybe it gets into bootloader-mode, but I can't check this because it doesn't have front USB.

My first thought was that there is something wrong with the firmware. So I downloaded and tried different versions of the KGL firmware (still didn't know for sure which kind of device it is, just found a sticker on one of the connectors mentioning the three letters "KGL"), but that didn't change anything. After reboot, the device stayed off.

Then I contacted the seller. After some QA's and photo-uploads they finally sent me a firmware, newer than the ones I found here, the KGLv2.06 with all usual kinds of mcu.img (@dark alex: could you please send me a login for your FileMirror? I would like to upload the firmware I got. I don't know in what this version is different from the previous ones, but maybe this could be of interest for someone here.)

Flashed KGLv2.06 (with mcu.img for KGL-4 - that's what I was told from the seller is the version for my unit) without issue, but still, the HU doesn't reboot. How is this possible? I start to think that the problem does not reside in the firmware but in the CAN-bus adapter. I will try to see if the the device will run without CAN-bus adapter.

Anyone any other idea?
[MTCB Android Head Units Q&A] typos1:
Mega is good.

---------- Post added at 12:32 PM ---------- Previous post was at 12:31 PM ----------

The problem is hes using ExFat, not FAT32, it needs to be formatted in FAT32

---------- Post added at 12:36 PM ---------- Previous post was at 12:32 PM ----------

Got the 800x600 Kit Kat update, will flash it and upload it to Dark Alex's page.

I cant be bothered to mess about trying to recover my youtube password, I ll just post some screenshots.
[MTCB Android Head Units Q&A] spankaroo:
Thanks. I did get it working eventually. This forum has helped me immensely.
[MTCB Android Head Units Q&A] Martin_5224:
Hello!

I've already tried 1.28h. Unfortunately, I've got the extremely negative result. After activating this module in Xposed framework and rebooting HU, I've got cyclic reboot procedure. I had to return to manufacturer settings, and lost all my programs and settings. So I have nothing to lose now and can try, say, 2.03 at last. Though I don't know what a variant to choose. The variant where rear camera works properly, but USB and Dongle cannot work stably, or vice-versa. Or maybe to configure the system I have now. I'll think about it...
[MTCB Android Head Units Q&A] typos1:
Just pick the latest update for your version or try the KLD if you have KGL, or try the KLD Kit Kat I ll be uploading shortly.

---------- Post added at 01:42 PM ---------- Previous post was at 01:41 PM ----------

With FAT32 ?

Right, updated to KK.

Everything seems to work ok, its on the bench so no speakers connected.

Tried to root with the Chinese app but it just hangs on the app's start screen and doesnt respond to touches. Iinstalled a few apks from the sd card (didnt do a Titanium backup as I assumed there was no root access). One was Antutu and it reported it as rooted, not installed root checker yet, but if its right, a way for Webdude to root might be to downgrade to 4.2, root, then upgrade to 4.4, assuming his is still RK3066 based and not RK3188, cant recall offhand.

Music now plays flacs, if didnt before.

Theres a "car" menu which goes to a screen with some apps they think youd use while driving. If no music or radio is being played then theres an analogue AND a digital clock displayed which is stupid, who wants 2 clocks ?

More CAN bus vehicles listed in factory settings, plus a couple of extra settings: "wheel3" and "rude" - WTF ??!! Theres also a "touchm..." setting, which I guess is "touchmode".

Theres a weather app.

Theres a running apps icon in the nav bar, where before it only appeared sometimes, now its always there.

Some of the apps look worse than before, I reckon, like the radio which looks cheap, but its nothing that cant easily be changed with some xml modding

Pics:
[MTCB Android Head Units Q&A] kwalsh24:
Anyone ever heard of winlink-tech? I was on alibaba and found this setup...

http://winlink.en.alibaba.com/produ...&edm_cta=read_msg&edm_time=realtime&edm_ver=e

4.4.2, 2G DDR3 +16G Flash Quad core 1.6GHz 1024*600 screen $334USD

However the manufacturer is Winlink-tech
[MTCB Android Head Units Q&A] coudu:
If we have the update.img, it can be "pre-rooted" (and de-bloated) before flashing....

I always mod update images before flashing to suit my needs (pre-rooting, de-bloat, remove apps that are available on play store, mod recovery so it doesn't wipe data, etc, etc)
[MTCB Android Head Units Q&A] typos1:
It might retain root, see my post above, will check with root checker to see, in a bit.

More pics :
[MTCB Android Head Units Q&A] typos1:
And more:
[MTCB Android Head Units Q&A] typos1:
And finally, see below for about screen:

Another thing, cant remember if I ve mentioned this before or not, but I read somewhere, possibly 4pda.ru, that you could connect these units directly to a CAN bus network. There are 2 unused wires on the DIN plug that I m guessing are where youd connect them, this is the same in my car - CAN Bus are 2 wires on the DIN plug. My car is CAN Bus, but has resistive SWC and I can take an acc wire from the cigarette lighter, so I dont need a CAN Bus box. But I m thinking as these units have CAN bus apps, that all the CAN Bus boxes that come with them do, is provide, acc, illumination, SWC for cars with SWC via CAN Bus, handbrake wire, reverse wire etc, while the MCU does everything else, including 2 way CAN Bus, data on the MFD etc. I ll connect my CAN Bus Tx and Rx wires to the headunit and see what happens.
[MTCB Android Head Units Q&A] liquidini:
Thanks typos! Great news ☺
[MTCB Android Head Units Q&A] typos1:
Yes, heard of Winlink, theyve been making stereos for ages, theyre who're behind the Ownice units I think.

Its a natural upgrade, really, the RK3188 is quad core and can take 2Gb of RAM, my RK3188 tv box gets 18000 odd on Antutu.

Theres a thread on them that was mentioned a few pages back, theyre about to start shipping the units around now, the thread is pretty bare ATM, dont think any one has got one yet.

I think that KGL, KLD, RM, GS, JY will all be going that way soon, its just when.
[MTCB Android Head Units Q&A] kwalsh24:
Hmm well, for the price, I may just consider the upgrade and then give my dad my current setup, if the screen gets fixed that is.
[MTCB Android Head Units Q&A] typos1:
Theres also this unit which is interesting :

http://xdaforums.com/android/general/4-4-2-kitkat-head-unit-newsmy-carpad-t2865525

Least you can upgrade your RK3066 one to KK now !
[MTCB Android Head Units Q&A] kwalsh24:
Cool, unfortunately that's a universal unit, prefer a factory look but thanks!

Hmm I have the kgl, the kk release if for the klyde unit correct ? It wouldn't be possible would it ?
[MTCB Android Head Units Q&A] typos1:
I prefer the OEM look as well, but something like that unit with a custom surround that matches the car, well I m thinking maybe now, whereas months ago I wanted OEM. But thats probably because they dont do one for my car, so I thought I modify another OEM unit using the faceplate from the OEM sat nav from my car and its proving a lot of hassle and harder than I envisaged. :eek:

All Android versions are compatible with each other - you can put KLD on KGL, RM on KLD etc, but MCUs MUST be the same version as the unit manufacturer to work, so KGLs must have KGLMCU, KLDs KLD MCU, etc. But no harm in trying the KLD KK update on your KGL, dont know if the KK update is compatible with an earlier MCU version, but I dont see why not.
[MTCB Android Head Units Q&A] kwalsh24:
Hmm yeah that's my concern, I've done the kld firmware with kgl mcu, just wasn't so sure how well a 4.2.2 mcu would work with the 4.4.2 firmware.

Guess mk harm in trying, just hope it doesn't brick the unit... I've tried the 2.**+ releases and they all seem to make my unit worse.
[MTCB Android Head Units Q&A] uncleg:
Nice. Where I can download it ?
[MTCB Android Head Units Q&A] typos1:
Waiting for the login details for Dark Alex's file server . . .
[MTCB Android Head Units Q&A] mrbubba999:
Can anyone recommend a unit to fit in a 2009 Skoda Octavia? My unit's touch screen has stopped working again, so I've asked for a refund
[MTCB Android Head Units Q&A] typos1:
I d say a Klyde one, see their Alibaba site.
[MTCB Android Head Units Q&A] mrbubba999:
It's a minefield! :)

Is this one?

http://m.alibaba.com/product/60067864238/KC_7038_Android_car_dvd_player/specifications.html
[MTCB Android Head Units Q&A] typos1:
Not really, its easy, go to Klydes Alibaba site, search VW and see what theyve got, theres not that many VW group units.

That doesnt look like a Klyde unit to me.
[MTCB Android Head Units Q&A] mrbubba999:
With you now, didn't realise that had their own section on there
[MTCB Android Head Units Q&A] agentdr8:
Hmm, sorry about that. It didn't exhibit that behavior in the emulator. I'll pull it down from the repo.

What tools are you using? The rk3xx unpack utilities? I haven't actually tried repacking the update.img with it after making modifications to the system.img.
[MTCB Android Head Units Q&A] coudu:
no, I'm using imgRePackerRK. Very well made sofware (the best of all RK tools i've tried). Works fine for unpacking and repacking.
[MTCB Android Head Units Q&A] reMer(x):
Came across a few issues

I have a couple of issues and I was wondering if anybody else has the same experience.

1. Google Maps mutes all other audio when launched so music can not be played simultaneously. Sygic or other apps play together fine.

2. Anybody know the operating temperature range of these things? My unit keeps shutting down sporadically. It seems like it happens most when the unit is cold. Once it turns on or off a bunch of times it seems like it will stay on. This could be caused by my Gmos-Lan012 adapter though. I'll know next week when I swap that out with a new one.

3. Anybody know how to turn the brightness down further than what the slider allows? This thing is just too bright, especially at night.

4. What is the proper formatting for this thing to recognize an external SD? It seems like the unit will recognize files fine the first couple times that it mounts an SD card, but less and less files show up until none of them work after the second 3rd or 4th time.

If anybody knows the answer especially to the Google Maps question, I would greatly appreciate the help.
[MTCB Android Head Units Q&A] Martin_5224:
Hello!

Yes, it's batter to take it away for a while. Doing such experiments, I do it at my own risk, so nothing is critical, my old system works, and I continue thinking about variants, wether to keep my old system or to try one of the custom variants of 2.03.

Anyway, thank you for your attention to my problems and your efforts.
[MTCB Android Head Units Q&A] typos1:
Remove Google maps then (lets face it, its total sh*te) and just use Sygic then, or NavFree, or BeOnRoad - those last 2 are open source.

Are your SD cards formatted in FAT32 ?
[MTCB Android Head Units Q&A] agentdr8:
Try removing the Google Maps that comes preinstalled on the headunit. You'll need root, and either remove it via terminal/adb, or a root file manager. Then try sideloading the newer Maps from apkmirror or the likes.

Some of the headunits can actually turn the backlight all the way off if the dimmer is set to 0. Unfortunately my GS can't. I plan on trying to implement some sort of "backlight off until touch" mode, which I know is possible, as the app Screen Standby can do it.

FAT32. And not the built-in Format utility of Windows. Use either linux, gparted, or an aftermarket Windows-based FAT32 formatter.
[MTCB Android Head Units Q&A] reMer(x):
Thanks for the help, boys.

I just like Google Maps because it's so closely tied with Google Now, which I use extensively. I'll try completely removing it from the system apps and reinstalling.
[MTCB Android Head Units Q&A] typos1:
What make is your unit ? Klyde versions have a function that completely switches off the back light if you hold down the mute button, I think RoadMasters do this as well.
[MTCB Android Head Units Q&A] reMer(x):
http://www.autopumpkin.com/car-dvd-...h-screen-3g-wifi-bluetooth-obd2-free-mic.html

It's this one. I'm not sure exactly which model it is. I'll have to go look at the settings if I can ever get the thing to start up again.
[MTCB Android Head Units Q&A] typos1:
That has a Klyde back and I know Klyde have recently started using that front, so try holding down mute to completely darken the screen.

Mind you you wanted it dimmer not completely black, so dont know if thats helping really.

Heres what youve all been waiting for, the KK update !!:

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

Dont think many people have the 1024x600 screen, so pretty much everyone is gonna need the 800x480 one.

Have fun :)

Mine is on the bench currently and having probs with the power supply at the moment, so not able to put a rootchecker on it, but Antutu was saying it was rooted, so hopefully it retains root access after the upgrade.
[MTCB Android Head Units Q&A] liquidini:
I use screen dimmer application from play store. It has a widget toggle that dims a lot the screen.. It's great at night. Maybe agent8 can incorporate auto enable of this app at night in xposedmtc

---------- Post added at 09:00 PM ---------- Previous post was at 08:59 PM ----------

Would you make a debloated update. Img of the kitkat Version?
[MTCB Android Head Units Q&A] coudu:
I'll make one for me so if any one is interested I'll share it ;)

I'm downloading now then i'll start to play with it and see what can be done on those 4.4 fw
[MTCB Android Head Units Q&A] zorantoma:
Please do :)

I instaled it on my KGL and it's fast as hell :D and everything works fine(batter radio reception in stand)The only thing i noticed is after you change something in gps settings it doesn't get used till you reboot.
[MTCB Android Head Units Q&A] mcgworld:
I have updated my KGL to 4.4.2.

still on KGL 1.77 MCU, because if upgrade to 1.86 the navi button is not working, so is not a problem of compatibility.

I have tried the canbus program, but is not showing any values(maybe because of MCU 1.77?)

Music interface is different is more modern, took me a while to find the list with the songs, you have to swipe from the right to left to see the list.

A big improvement is the reverse options, you can see a lane, also the parking sensors. I have a camera and is working.

I have recorded some videos, but are 4k so will take a while to upload to youtube.

Some extra options to clear the ram, brightness you can change more quickly.

Radio reception is not great, also I didn't see the name of the post.

doors are showing like in previous version, only the driver door is showing wrong, because is a UK car.

tomorrow I will test different GPS software. IGO was working properly with sound, just need to be ticked mixing in GPS, settings.
[MTCB Android Head Units Q&A] coudu:
There is far less bloatware/unwanted google apps in this version :cool:

I removed some still unwanted apps and added a few tweaks and root :D

needs more testing but everything seems OK, if so I'll share my update.img mod

Time to go sleeping now, thanks to typos1 for sharing his file!