yashsingh1/xdaforums huggingface dataset:
[MTCD Software Development] opexo:
Hi, yea :) i was getting tired of running between car and home to test different approaches of formatting and running down to check if it would work...

Plus i wasnt 100% sure with the HU connected in the car that it didn't still get from somewhere like the subwoofer amp or elsewhere a tiny amount of power that would prevent it from completely shutting down in order to reset and boot from the SD card.

So i wanted everything to be in one place in front of me to focus and eliminate one by one all variables.

Practically at this point i was beginning to be suspicious of everything else apart from the HU and the sd card+slot+usb stick that they're working, that's how sure i was there wasn't fault in them /or how i format them :p or that clear check-box means empty, without 'tick' /

So i went to search for other versions or sources of the SD Firmware Tool because i saw something suspicious that i cant describe.

I downloaded SD Firmware Tool from here: https://ublaze.ru/sd-firmware-tool-rockchip/ - and the magic happened on the 1st try, now i'm with Nougat.

I don't know why with the one i downloaded from the 2nd post link it didn't work.

But if one lesson is learned from all this, if Hal9k says it fits that and that unit - it fits, don't give up until you find how to fit it.

Btw, over the Lolipop, the unit now feels like it does not have only 1GB of ram and 4 cores. It's like... now it has 1.5GB and 6 cores :laugh: :laugh:
[MTCD Software Development] phatsua:
Help please :)
[MTCD Software Development] black_1986:
try to get software update from sittings and use ucb number 1 or gps card slot
[MTCD Software Development] FreeFly110:
ERISIN A Media Auto Update Help...

Hello everyone, I have an ERISIN A-Media Auto (1024x600 W) radio.

CPU

ARM Cortex-A9 @ 1.6Ghz (x4)

Storage

1024MB

MCU version:

MTCD_LM_V1.95_1

Oct30 2016 19:07:51

Android version

5.1.1

Kernel version

3.0.101+ chun @ hctr930 # 90

Fri Sep 9 16:24:49 CST 2016

Build number

rk3188-userdebug 23092016.13: 30: 50

I copied the nupdate.img to a USB stick and plugged it into USB1 on the radio and switched it on.

Unfortunately nothing changes and no update is started, this also does not happen with an SD in GPS slot with the nupdate.img.

Then I went into recovery and tried it there with an SD or USB, but without function.

There I am told:

Android system recovery <3e>

rk3188-userdebug 5.1.1 LMY48Y eng.root.20160313.205611 test-key

Can not found firmware image or Invalid image.

Update rkimage complete.

Installation of rkimage aborted.

Installation of hctextcfg start.

Installation hctextcfg aborted.

Installation mcucfg start.

Installation mcucfg aborted.

Installation mcuimg start.

Installation mcuimg aborted.

update fail!

I also wanted to update the MCU and downloaded version MTCD_LM_V3.06!

But unfortunately the radio has no function in the Android menu to carry out an MCU update!

I tried this with the recovery function, but unfortunately it didn't work either!

I would be very happy to get help from you.

Many Thanks to you
[MTCD Software Development] FreeFly110:
Update to 7.1 has finally worked!

Then I wanted to make an MCU update to version MTCD_LM_V3.06 in the settings.

The file is recognized on the SD and the device wants to restart.

The display goes out, but when I press the deed on the radio, I can still hear the key tones!

As if it didn't turn off properly.

If I got it to boot up again, the settings are still the old MCU version MTCD_LM_V1.95_1.

Where is the problem here unfortunately?

*UPDATE*

No matter which version of MTCD or MTCD, the radio finds the dmcu.img and asks if I want to install!

If I press yes install, there will be a message about a restart!

The display (radio) turns black.

But when I press a button on the radio, I can still hear the button tones! But nothing else happens!

I then have to long press the button to turn on and then press again, then it starts up again, but the MCU is still the V1.95!

Many thanks
[MTCD Software Development] opexo:
1st- be absolutely sure the MCU is for your device.

2nd - boot in recovery mode and install it from there.

---------- Post added at 03:55 PM ---------- Previous post was at 03:26 PM ----------

I would like to report different sound behavior, for example lets say the radio is running, or music app or youtube etc it doesnt matter, there is music from the speakers

-if i mute - for miliseconds the sound increases

-if i switch to reverse and the reverse camera appears - for miliseconds the sound increases

...basically any change which is a transition in the sound comes with sound increase for miliseconds.

While i was still with 5.1.1 i changed several MCU versions and didn't notice this behavior so this leads me to believe it has to do with the 7.1.2 Android.

Also i can't find where to disable the screensaver. I can choose the Hal screensaver type or some else from the options, but to disable it so whatever is on the screen stays forever, not switching to screensaver clock etc after 1 2 5..10minutes.

And another thing - just as with 5.1.1 when the HU connects to WiFi it totally sh*ts itself and gets sluggish. With 7.1.2 now Its just a little bit less pronounced than with 5.1.1, but still... Does anyone know what is the actual cause and if there is a way to avoid this?
[MTCD Software Development] FreeFly110:
If I press MCU Update in the settings, it finds the dmcu.img and asks if I want to install it!

If I press yes, the MCU is checked and there is a restart.

After a short time, the display goes black and nothing happens.

If you then press a button on the radio, you hear the deeds, but nothing more. Display remains black.
[MTCD Software Development] opexo:
Hello, yes i understood this from your previous post.

However, as i mentioned, boot your device into recovery mode (hold the power button until menu appears on screen and select Recovery mode).

There is also option to update MCU from usb device.

When the update starts don't touch anything, just wait for the process to finish.
[MTCD Software Development] FreeFly110:
Hello .. Thanks for your message and help ... That's exactly what I tried ... I held down the power button for a long time and chose recovery mode. But unfortunately nothing happens there or the display goes black as in the MCU update via the settings and there was no change after 10 minutes
[MTCD Software Development] FreeFly110:
Hello ... I tried again.

Long pressed the power button and switched to recovery mode.

The display turns black but nothing else happens to the radio! I can no longer see anything.

I can only hear the key tones when I press a key.
[MTCD Software Development] Craigrobbo:
For those guys using this Rom - Does it still have bluetooth limitations on what you can connect to or is it fully open now & can connect to anything?

Thanks

Craig
[MTCD Software Development] Barto44:
hi guys can someone help me

I have a gps that was updated badly and did not start

* motherboard KGL-6188MAIN-V3.4

* PX3 MTC-RK3188 V3

I install [ROM] [PX3] [RK3188] [Nougat] [7.1.2] Hal9k ROM 2 for ALL RK3188 / PX3 MTCD / E head units V2.5

the fimware was installed from PC OTA, all perfect but I see that WIFI and BT does not work

I also try with Hal9K Mod 2.4 version also 1.3 and nothing

What can I check more or what fimware can I check?

thanks
[MTCD Software Development] Barto44:
Hello guys

I install Mod version Hal9K Mod v1.3 android 5.1.1 and the same does not connect wifi and bluetooth

MCU version change MTCD_KGL_V1.40.1

now i install MTCD_KGL_V1.9a_1

and the same

some way to activate you?

wifi and bluetooth module is RTL8723BU you can check this module
[MTCD Software Development] bilaliz:
Hi Team,

This is where I am at, I have read some 100 plus pages and I am more confused than ever, to avoid wifi & Bluetooth problems I should stay on my current MCU and apply this ROM? I wouldn't need a lot of help hopefully, just a bit of direction kindly.
[MTCD Software Development] bilaliz:
Ok since no one replied, I'll say that I got the MTCE_HA3.45 MCU (attached along) and applied that by copying to the root of a fat32 formated USB key and going to settings - it worked fine. However, I did not see any noticeable improvement etc going from version 1.57 to 3.45. The biggest issue of not being able to use the screen while on a call still remains.
[MTCD Software Development] bilaliz:
Alright well i am stuck at where many have been stuck before, but perhaps for a different reason, my device (original hot audio) see pics here(https://xdaforums.com/showpost.php?p=82819215&postcount=2071) for Toyota rav4 only comes with 3 USB ports and not a SD card slot. I prepared the SD card with the sd firmware tool by removing the "Upgrade Firmware" on both a USB key as well as a 32 gb micro sd card in a USB key reader (in addition to having the USB with the nupdate.img in root of the usb) but have not been able to boot into recovery. will appreciate helo from [MENTION=5092263]Hal9k_[/MENTION] and/or [MENTION=456516]typos1[/MENTION] or anyone else who has gotten over this obstacle.
[MTCD Software Development] typos1:
You wont necessarily see any benefits by updating the MCU its just good practise, just as youd update all your apps in the playstore, you wouldnt keep them on older versions.

Malaysk's ROM comes with a power button that enables you to boot into recovery directly does it not ? So why dont you get into recovery using that ? Also by inserting a usb stick with an nupdate.img on it, the unit should auto detect and ask if you want to upgrade.
[MTCD Software Development] bilaliz:
Thank you so much for your reply, yes it does come with that option, tried both of those options several times with no luck, I can browse using file explorer and see the update in there but its not being picked up, unfortunately.

My USB stick is 32 GB, I tried using it formated it both with sd format tool as well as windows and it didn't pick up in either case.

my PC is windows 10 and has USB 3 ports, but I also attached a USB 2 hub and even formated and transferred the file via that, still no luck.
[MTCD Software Development] typos1:
Try downloading it again then, try a smaller usb stick, it doesnt matter if the unit picks up the update or you go into recovery yourself, either way it goes to recovery and flashes the update. Assuming you are running Nougat at the mo. Sometimes you do have to just keep trying it before it flashes.
[MTCD Software Development] bilaliz:
I am at 5.1 malaysk, I tried to redownload and copy the image, formatted the USB on windows 7 USB 2 and tried this, malaysk 7.1 and the stock 7.1 in mega website, but no dice. however, what did work is downloading the latest malaysk 5.1 and then the .img was immediately recognized in the ROM itself rebooted to recovery and flashed.

I am completely stumped at this point.

I still want to go to 7.1 though.
[MTCD Software Development] typos1:
Ah, I see, now things become clear - you are on 5.1 and want to get 7.1. Ithought you were on Malaysks 7.1 not his 5.1.

I would not recommend 7.1, your unit will become slower as it doesn't have enough RAM really for 5.1 let alone 7.1.

You can only flash 7.1 from a 7.1 recovery, that is what the bootable sdcard does, but you cannot do it if you dont have an sd slot unless you take the top off and add an sdcard reader.
[MTCD Software Development] bilaliz:
Thank you, I guess I will just have to stick with 5.1 for the life of this unit. :)
[MTCD Software Development] typos1:
You can upgrade the SoM to a RK3188/PX3 2Gb RAM Nougat, an RK3326/PX30 an RK3369/PX5 or an RK3399/PX6.
[MTCD Software Development] bilaliz:
Before I started this entire process I went on aliexpress and tried looking for "rk3188 motherboard upgrade" px3 to px5 upgrade. px5 motherboard etc etc .. nothing came up :crying:
[MTCD Software Development] typos1:
Ok, well try googling it too.
[MTCD Software Development] Tgnastic:
Hi! Where can i check for any new kernel update? I currently have the 3.0.101+ thanks
[MTCD Software Development] typos1:
There arent any, they sometimes happen with a new factory ROM, otherwise they dont happen, certainly not for these SoMs, theyre no longer made, theres been no new ROMs for a few years.

The only way to get a new kernel would be to get a new PX30/RK3326, PX5/RK3368 or PX6/RK3399 SoM.
[MTCD Software Development] Tgnastic:
Thank you! I wanted to have everything updated, MCU 3.49, Kernel 3.0.101+, ROM Hal9K 2.5.0 .. but apparently everything is already updated and nothing new is expected. I will not buy a PX5 or other models, at the moment I hold up well with the PX3.
[MTCD Software Development] rozdiz:
Need Help to update MTCD_HZC_V2.58 Android 7.1.2

Hi,

Can you please suggest a firmware update for a HU with following details.

Model : px3 1024x600 0

Android Version : 7.1.2

MCU Version : MTCD_HZC_V2.58_1, Jul 29 2017

Kernal Version : 3.0.101+, rocky@hctr930 #625

Thanks in advance.
[MTCD Software Development] typos1:
You can update to any MTCD or MTCE HZC MCU and this ROM can be flashed too.
[MTCD Software Development] rozdiz:
Thank you for your reply.

So is it possible to install higher OS version on my device or I should update the MCU version for 7.1.2 ?

Can you please provide me details to download these files required for the update. I am confused seeing all the versions available on the links.

Thanks in advance.
[MTCD Software Development] typos1:
If you are on Lollipop leave it on that, because with only 1Gb RAM Nougat will be slow.

Update the MCU to the latest HZC you can find.

You can buy a new SoM, the module with Android on it. if you want a higher/faster version of Android.
[MTCD Software Development] rozdiz:
Mine is android 7.1.2, HU is 2GB version.

Can I use Version 2.5 ( Hal9k_Mod_2.5_MTCD_MTCE_PX3_RK3188_1024x600_800х480_eng.rar ) mentioned in the first page for updating my device ?
[MTCD Software Development] typos1:
Ok, you can use it yes, its the type it is designed for, its the latest version of his ROM for your unit, 2.0-2.4 are just the earlier versions.
[MTCD Software Development] rozdiz:
Thank you for your help.

One more thing, what is the key combination for PX3 device to enter recovery mode ?
[MTCD Software Development] typos1:
It depends on the device and it doesnt always work, but this ROM has a button to enter recovery, if you insert an sdcard or usb stick with this ROM on it, if the unit doesnt auto detect it you can go into settings/about device/updates and press the button and it should auto detect it then and boot into recovery.
[MTCD Software Development] rozdiz:
Thank you.

Ok I got it. Is it mandatory to update my MCU before updating ? Current version is MTCD_HZC_V2.58_1, is it the latest one ?
[MTCD Software Development] typos1:
You really should update your MCU, yes, the altest version will be an MTCE one (MTCE is an update to MTCD).

Look in one of the links in my signature for updates (the middle one I think). Go into factory settings (password 126 or m123456) and use the "export" function, flash the resulting "mcu.cfg" file along with the new MCU.
[MTCD Software Development] rozdiz:
Yes, I downloaded MCTE_HZC_V2.74, Is this the correct one for my unit ?

I exported cfg file, dmcu.cfg from factory settings. For flashing this file I should copy the same along with the new update file on SD card and proceed ?
[MTCD Software Development] typos1:
As I said, you can use any HZC MTCD or MTCE MCU.

Theres a later version, 2.94, I ve attached it.
[MTCD Software Development] rozdiz:
Thanks a lot. I updated the MCU successfully.

My HU processor is RK3066, can I use the same file

Hal9k_Mod_2.5_MTCD_MTCE_PX3_RK3188_1024x600_800х48 0_eng

In the description processor model mentioned is RK3188.
[MTCD Software Development] typos1:
Your processor is not an RK3066, it can only be an RK3188/PX3 if it has 2Gb RAM and Nougat.

I already told you you can use any ROM in this thread. :)
[MTCD Software Development] rozdiz:
I checked with cpu-z and its showing RK3066
[MTCD Software Development] typos1:
CPU-Z is wrong, MTCD/E units never had RK3066 processors, they came out with the RK3188/PX3, then went to Intel Sofia, RK3368/PX5, RK3399/PX6 and RK3326/PX30.
[MTCD Software Development] korekore1:
can somebody tell me where can i find the stock factory rom for my device? Its the HXD (or maybe XHD) model,it came with android 7 and 2 gb of ram.

I am with Hak's 2.5 rom but the device lags to the point its unusable.

I only use 2 apps (a music player and google maps) and they take forever to open or dont open at all.

This is not normal,the device cant hang with just 2 apps running.

I checked memory consumption and i have 1.1gb free,so its not the memory.Also not the cpu unless something messes it up

There is something seriously wrong with this rom.

Thats why i am searching for the official rom,the device at this moment is unusable with this rom
[MTCD Software Development] typos1:
Have you done a factory reset ? [MENTION=5092263]Hal9k_[/MENTION]'s ROM is streets ahead of the factory rubbish, it deffo does not cause the unit to lag in any way, so its almost certainly something else causing that.
[MTCD Software Development] rozdiz:
I could update my device with new firmware. It is good and running smooth. Thanks for your great support.

Only thing I want to change is the default launcher.

I tried with one file explorer to replace the apk in system /priv-app/Launcher3HCT2 but it failed due to write permission on the system folder. How I can replace the apk ? Should I replace only apk or entire folder ?
[MTCD Software Development] typos1:
Use root explorer, change the permissions to the same as the other folders and apps in priv-apps. Make a folder titled the same as the launcher app you want to use and put the app in it.
[MTCD Software Development] rozdiz:
Hi,

I am facing few issues with the new ROM

1. While changing music tracks volume rapidly increases for a second just before jumping to next track, not a major issue but its annoying.

2. Sound quality for vocal range is not that good compared to my previous firmware. I adjusted the equalizer in many ways but result is same.

3. Music player often stops. Mostly when the device start from sleep, note that I have already adjusted the mod settings.

4. Magisk application also closes while running the device.

I did factory reset once and these issues are still there. Have you noticed any of the above issues or its HU specific ?

I installed this firmware without selecting wipe,If I want to go back to my stock OS is there any way to get it ?

Thank you.
[MTCD Software Development] typos1:
You have played around with the sound quality settings in mod settings ? Have you tried a sound patched MCU or Viper4Android (included) ?

I ve not heard of any of those issues,if I were you I d wipe data (you should have done this as soon as you flashed the ROM) and see if that helps.

There are versions 2.0 - 2.3 to try also.
[MTCD Software Development] rozdiz:
Sound issue I mentioned is fixed with the sound patched MCU. Viper4android is not making any changes on my device.

Other issues are still there, in addition to that google play service stops frequently. Every time when the HU starts from sleep music player stops ( its added in mod settings not to sleep, restart after sleep) followed by google play service.

Is it possible to get the stock android 7.1.2 version ? any link available to download the same. I think this ROM is not stable on my device.
[MTCD Software Development] typos1:
You device is the same as any other MTCD/E Nougat unit - all these devices have the same SoM.

The Google services app is ENTIRELY down to Google, the app needs regular updates as it does with any Android device.

Have you read the guide on how to use Viper4android ?

Did you wipe data/cache as I said ?
[MTCD Software Development] LordAnpu:
I use 2.4 and some time ago I made mistake and agreed for ota update. After that almost every time my HU start notification about new version is displayed. I'm reluctant to install new version because I use MicroG and I don't wont to install and configure everything from scratch. Is there solution for that except installing 2.5, becasue that notification anoy me for months?
[MTCD Software Development] typos1:
Yes, you have to remove a file somewhere or something, sadly I cant remember where I read this, probably in another of [MENTION=5092263]Hal9k_[/MENTION]'s threads - it was him who said it I think.

Personally I d suggest upgrading to 2.5, thats the last update so it wont happen again after that and its really not that much work.
[MTCD Software Development] LordAnpu:
This update did not provide any useful feature for me, and even added one that I do not want (maybe it is possible to disable it). I only use the screen saver to dim the screen at night, why do I need a bright cover to illuminate it.

I won't spend 1.5 or 2 hours sitting in my car installing and configuring everything to my liking, for me is not worth it.

I have tried searching the Hal9k threads for answers after you provide tip about solution for this, but so far with no success.

Nevertheless, thanks for the answer.
[MTCD Software Development] typos1:
You can disable the screen saver.

Its your choice, but when you get an update you do have to spend time setting things up, as I said it would be the last time you did it as o more updates will come for this SoM/ROM.

There are any minor updates not listed, generally its best practise to move to the latest version when it comes to OSs.

As I said, its your choice.

Try looking in the first 14 pages of [MENTION=5092263]Hal9k_[/MENTION]'s Android 9 thread, it may well be there that I saw it.
[MTCD Software Development] korekore1:
i am looking for the stock firmware too,if you find anything please post here

---------- Post added at 13:12 ---------- Previous post was at 13:06 ----------

if i factory reset the rom i would have to set up everything from scratch,thats hours of work with no guarantee it will solve the lags and freezes.

I have enough years of experience with android custom roms to know that whatever the problem is it will happen again as i will set up the device exactly the same way it is now,so it would only be a matter of time for the lags to happen again.

Thats why i am looking for the stock factory rom for my HXD unit
[MTCD Software Development] typos1:
Your unit is also a 2Gb unit ?

If you install the factory ROM you will also "have to set up everything from scratch". Have you tried 2.5 or are you on 2.4 as well ?

I have enough years of experience with MTC units to know that the factory ROM will simply make things even worse than they are with [MENTION=5092263]Hal9k_[/MENTION]'s ROM.

Why do you think people started making custom ROMs for MTC units ? Cos the factory ROMs are so bad, thats why.

Both of you seem to suggest that its the way you are setting your units up thats causing the problems.
[MTCD Software Development] rozdiz:
Yes, I do agree google services are entirely down to Google but as per my knowledge if some services/app crashes locally on devices there is something wrong on the device itself; correct me if I am wrong.

I did a clean installation with format flash option, installed everything and same issues persists. Music player stops when the device starts from sleep. After updating google play, services stopped working pop ups started ( with and without internet ).

Anyway I could install the official version of 7.1.2 on my device, everything back to normal. It seems my HU is having issues with this ROM.

It was nice experience, learnt so many new things :)

Thank you.

---------- Post added at 02:33 PM ---------- Previous post was at 02:22 PM ----------

I don't know what I found is official or not, but the issues I faced after using hal9k ROM is resolved.

Please check your device suits this or not.

https://yadi.sk/d/umCvHqCDzHccr/RockChip PX3 Android 7.1/magnitolog.ru
[MTCD Software Development] typos1:
Did you both install ALL OTAs and ALL Google updates ?