yashsingh1/xdaforums huggingface dataset:
[MTCB Android Head Units Q&A] lukesan:
Well I have/had the same thing but if this one is exactly the same as the HuiFei and a lot cheaper then why not.

If it is, like someone said, developed on the same reference board then it might be the same hit or miss.

I also googled, youtubed like crazy and saw all these Erisin rants which were ... acceptable. Most of them, and also other brands use(d) bad cheap tuners but I looked at the spec of this one and it looks to be solid.

Now I am an electronic engineer and I worked at a really big brand which I will not reveal. I've seen some OEM stuff in my life. I also had a couple of good laughs when device x was tested better than device y by consumer companies just because it was an A brand and twice the price. On the inside it was exactly the same device, same quality.

Well I am still doubting and really asking specific questions since I don't want any of you or myself stepping into something we would not really want at all.
[MTCB Android Head Units Q&A] 1-2-Hak:
Some indications in the build.prop got me to this manufacturer as the actual builder of the unit.

http://hengtongworld.company.weiku.com/about/
[MTCB Android Head Units Q&A] dark alex:
Well...

I downloaded the update mentioned on the last page. It's a 4.2.2 acording to the manual. There also is described how to get into recovery officially! (Pressing power while several times presseing reset until a BIBI Soud occures)
[MTCB Android Head Units Q&A] lukesan:
I can imagine that someone's wife or girlfriend is called Bibi :laugh:
[MTCB Android Head Units Q&A] lukesan:
Just received this reply

'We have no firmware which for Android to downlaod.

Thanks for your understanding.'

......I thought Android was open source
[MTCB Android Head Units Q&A] eb4fbz:
RTL2832U support would be awesome, it would also enable DAB reception!

BTW: another electronic engineer here, mostly RF design :)
[MTCB Android Head Units Q&A] Dareksa:
Internal microphone in HuiFei units works OK or should I buy external microphone ?

If it is better to buy an external then what type of socket is there, 2.5 mm or 3.5 mm ?
[MTCB Android Head Units Q&A] lukesan:
And another (ex) radio amateur here and also a HF geek. Thought I saw a call sign ;)

Need to speak to you about those Tecsun things btw

Btw can you test SDR touch and Wavesink? I get a lot better reception on wavesink than SDR touch on E4000 and R820T tuner.

I need to try wavesink on my Nexus 7 in the car but the 10 min demo is not usefull .. and 10€ is just to much.

But it would be a very nice add-on to have DAB running in the car.
[MTCB Android Head Units Q&A] dark alex:
WARNING

The Firmware-Update I posted turned my Radio into an unusable state.

The touch is completely weird (no touch position fits the correct item anymore and eversthing is flipped by 90 degrees (gestures))

For example to scroll through the luncher you would normally have toswipe from right to left. But now from Top to Bottom... Display is okay... Everything looks normal...
[MTCB Android Head Units Q&A] typos1:
Does the RTL2832U app from Googleplay install ? If it does you could use one of the many DVBT/FM dongles available
[MTCB Android Head Units Q&A] lucky-jon:
noob - hello and hunting for the perfect Android HU

Wow.... cool thread. What a lot of work.

I just read every post so far, and many seem to have trodden the same path as I am.

Following one suggestion here, I looked at android-caraudio.com and found a unit they call "SNAC-7005 Multimedia Android 4.2 HIGH DEF 1024x600, 16 GB ROM MEMORY UNIVERSAL 2DIN". This one has no DVD drive, and hopefully is genuinely 1024x600!

Any one looked at it / got any comments comparing with the units discussed here?

Thanks,

Jon.
[MTCB Android Head Units Q&A] Vladimir2k9:
Did not find what processor in android.
[MTCB Android Head Units Q&A] spankaroo:
Joined the club. I recently received my Klyde with MCU 2.02. I haven't installed it in the car yet, but I've been configuring everything on my test bench for now. Thanks to this thread, I've rooted it and am pretty pleased with how everything is working at the moment.

I bought one that is specifically made to fit my car (Dodge/Chrysler/Jeep) here.

Many of the apps I wanted said they were not compatible with my device so I found File Expert HD which made my life much easier. I installed it on my rooted Samsung tablet and also on the head unit. It allowed me to copy APK's over to the head unit via Wifi (even purchased apps). There was no need for ADB or command line foo. So, now I have Waze and TomTom which both work perfectly, regardless of the incompatible message in the Google Play store.

Like others, I'm disappointed with some small things:

- doesn't show the contact name when receiving calls

- doesn't register phone functionality, so other calling apps can't use the phone

- Google Voice commands can't use the phone

- doesn't receive or manage texts

- unfortunately there is no equivalent to Tablet Talk that would work with an iPhone

One app I would really like to have though... I'd like an app that activates an iPhone home button like this device does. It essentially has a Bluetooth HID profile and only has one keyboard button. The Home Button.

I'd think that something like this could work for those with iPhone and similar in Android. Rather than activating voice commands on the head unit, you really want to activate voice commands on your phone. That would allow you to say things like "Call Home" or "Read text", etc.

Happy to hear ideas. Thanks again for those here who have shared their insights.
[MTCB Android Head Units Q&A] marco.lav:
Volume Code for UH

Hello everyone.

I have a problem with an app LanciaCAnBus (written by my friend Igor)

This app can read the CANbus of our cars Lancia Delta.

Intercepts the steering wheel controls, advances the tracks and turn up the volume.

but the problem is that on my UH there are two volumes. (Pure Android and HU)

and lancaCanBus, turn up the volume of Android and not that of UH.

so also for the advancement of the tracks, can not directly control the app UH, but starts the regular reader of Android.

this is the code for increase the volume

AudioManager myAudioManager.adjustVolume(AudioManager.ADJUST_LOWER, AudioManager.FLAG_SHOW_UI);

this is the Android volume

https://lh4.googleusercontent.com/-384Fy7iv7TA/VFEANIyYi4I/AAAAAAAAKBk/Jk-8oI-CRxo/w983-h553-no/20141029_155629.jpg

this is UH Volume :

https://lh5.googleusercontent.com/-jxc9ln9zCM8/VFEAgW4aGEI/AAAAAAAAKBg/rKQDW2OUABw/w983-h553-no/IMG_20141029_155721%3Anopm%3A.jpg

Please I find a command or code for control the UH volume and, if it is possible, and controls to skip forward and back on the default programs.

we accept suggestions :)))

Thank's

Marco
[MTCB Android Head Units Q&A] ESTIMULO:
I got the same unit but for bmw. It works fine and i am happy with it but swc buttons doesn't work. I think that i need to recode my car to get wheel buttons working.

Anyway i am looking a rooting method that works on those 4.4 units to get xposed and appsettings working and get apps with the real screen resoluntion.
[MTCB Android Head Units Q&A] webdude12:
I have tried just about every posted method available to root the 4.4 unit. Think we are going to be stuck until an update is released so we can dissect it
[MTCB Android Head Units Q&A] typos1:
Is your car CAN Bus ?
[MTCB Android Head Units Q&A] ESTIMULO:
Yes, and i think that it's partialy working because it detects when i put the backwards gear and activate the backup camera but wheel buttons doesn't work and swc menu does not detect any keys.

Sorry my english
[MTCB Android Head Units Q&A] uncleg:
You need to put RGB checkbox at the factory settings menu (with "126" password)
[MTCB Android Head Units Q&A] spankaroo:
No sound

Got around to installing my Klyde today. The connector harness was the right one, but for some reason I have no sound (not a pop, hiss or anything.) I tried to connect a little speaker to the RCA outputs as well, nothing.

I don't know now whether I have done something in software and I should just do a factory reset or not. :crying:
[MTCB Android Head Units Q&A] Orannous:
Did you try a complete restart after connecting all cables (connect all cables, shutdown the car completely, wait 5 min and then start back on). I recalled having this issue where installing (and testing the unit) while the car was powered on, at times, I was getting no sound.
[MTCB Android Head Units Q&A] webdude12:
On thing weird about Canbus adapters is they must be plugged into the harness before the harness is plugged into the car.

i.e. Pull harness completely loose. Plug in CanBus to harness, plug harness into radio, plug harness into the car. I have ran into this problem in the pass, where the canbus was plugged in after the harness was connected to the car and not work. Do it in the above order and everything works great.
[MTCB Android Head Units Q&A] uncleg:
Try to disconnect (extract pins from connector) all the left/right front/back speakers. And connect it one by one. Maybe You have short on mass wires.
[MTCB Android Head Units Q&A] spankaroo:
Possibly. I've taken it back out to my test bench. So now I only have power and 2 little speakers connected to the Left & Right Rear RCA outputs. Nothing is connected to the harness speaker outputs.

Should be something coming from the RCA's, am I right? BTW: I also just did a factory reset.
[MTCB Android Head Units Q&A] uncleg:
As I know the RCA's is line-out and requires external amplifier before speaker connection.

Lets try to connect test-speaker to the right pins in the connector.

And test-speaker impedance must be 4-2 Ohms.
[MTCB Android Head Units Q&A] manicuspanicus:
Correct. Use an external amp otherwise these is no sound.

Just a quick question. Power amp is doing OK with the audio quality of my mp3s but I can't say the same about the sound of the radio. Signal quality is fine don't get me wrong I just don't like the sound as it is. Has anyone used some kind of equalizer or other radio app I don't know about that has better sound quality?
[MTCB Android Head Units Q&A] spankaroo:
Thanks, I'm going in the right direction now. I'm sure I can wire it up manually as I managed to test the first speaker output -- it's fine.

I'm a bit confused with my car harness now. Looking closely, I realize now that there are only 4 speaker wires -- (for 2 speakers) on the harness going to the car. I'll assume that I connect that to Front Left and Front Right?

Don't understand how I possibly had fade or anything working in the car previously... I'm no audiophile, but I thought my system wasn't bad -- now I have a feeling like I want to upgrade the whole thing! -- amp/speakers, etc
[MTCB Android Head Units Q&A] uncleg:
Exactly, the sound quality of radio is awful. I have the same issuewith radio. And causer of it bad semiconductors quality and wrong audio path circuit research. My colleagues from russian 4pda thread investigate it anf find some way how to modify hardware for better radio quality. The solution with figures will be appeared soon at 4pda forum in the header of RK3066 Android 4.2.2 thread.

In short, need to change 4 smd-capacitors and replace 2 smd-resistors. And You will hear treble from radio instead of current bathroom-sound :)
[MTCB Android Head Units Q&A] ESTIMULO:
Thanks friend but No luck [emoji20]

The same thing. I think that it is necesary to recode my car
[MTCB Android Head Units Q&A] manicuspanicus:
when this is done let us know what to do m8. hate this bathroom sound as you said.
[MTCB Android Head Units Q&A] uncleg:
Sure, b-cos I'm waiting it too.
[MTCB Android Head Units Q&A] Martin_5224:
reproduce frequencies

Hi, guys!

I've installed Xposed Framework with Appsettings and XposedMTC modules. Everything works properly, but I cannot reproduce frequencies I set in radio receiver after reloading my device (MTCB-KGL-V1.77). I tried various variants without a positive result, every time after reboot I have the same as usual frequencies. Maybe somebody encountered the problem and can advice something...
[MTCB Android Head Units Q&A] agentdr8:
You can save the radio presets via XposedMTC, and it will reload them when the headunit resets to default. The process could be better, but here's a quick howto:

- Open XposedMTC preferences, check the pref to restore radio presets

- Open Radio app, assign your presets

- Go back to XposedMTC preferences and hit the Learn Radio Presets setting

Now, when the headunit resets them, the radio may show the AM band, and all presets are set to 0Hz. Use the back button to exit the Radio app, and then relaunch Radio. It should have all your presets restored.
[MTCB Android Head Units Q&A] Martin_5224:
Thank you for response!

I do exactly as you wrote. But when I start radio app after device reloaded, I have FM frequencies the same as usual, it has never showed AM band, and never reproduced my frequencies after restarting Radio app. When I press the button 'learn radio presets' a message appeares, something like 'frequences saved' . So they are not read when radio app starts. I changed the original radio app to a modified one, maybe this is the reason, though it works properly nevertheless...
[MTCB Android Head Units Q&A] typos1:
Are you sure you have the positive and ACC wires wired the right way round ?

---------- Post added at 08:36 PM ---------- Previous post was at 08:30 PM ----------

I saw something in the 4pda.ru thread that mentioned connecting Android directly to the audio IC as well, also for better sound quality, was hard to interpret what they meant as google Translate isnt very good.

There are quite a few interesting things on that thread re these units, would be good to get some sort of information exchange going between us and them, maybe you could help if you speak Russian ?

---------- Post added at 08:36 PM ---------- Previous post was at 08:36 PM ----------

What car do you have ?
[MTCB Android Head Units Q&A] uncleg:
No problem, will try to help to XDA-users. Russian is my native.
[MTCB Android Head Units Q&A] typos1:
Great, thanks !

---------- Post added at 09:27 PM ---------- Previous post was at 09:24 PM ----------
[MTCB Android Head Units Q&A] agentdr8:
Is the package name still com.microntek.radio?
[MTCB Android Head Units Q&A] Martin_5224:
The app name is MTCRadio.apk, so in data folder the package name is com.microntek.radio as it was before

---------- Post added at 03:31 AM ---------- Previous post was at 03:20 AM ----------
[MTCB Android Head Units Q&A] Boodro1:
Any luck getting the new GS mcu?
[MTCB Android Head Units Q&A] agentdr8:
[MENTION=6124617]marco.lav[/MENTION] sent me a link to the 2.08 GS MCU. I haven't had a chance yet to try it out on my headunit. I'll get to it tomorrow and post it up to the FTP repository if it's successful.
[MTCB Android Head Units Q&A] spankaroo:
It's a Dodge Challenger. I figured out my amplifier issue. Apparently Dodge fooled everyone and put audio for 4 speakers over the wires of 2. When installing an aftermarket deck, you lose fade because you can only connect 2 speakers which will be split by the car's amp to 4. My problem all along was the amp trigger wire coming from the PAC. I just needed to splice it to a speaker output wire and it triggers the car's amp to turn on.
[MTCB Android Head Units Q&A] spankaroo:
Cam issues

Can't get the cam to trigger in reverse.

Confirmed PAC has 12v output when the car is in reverse, so I should be able to trigger the cam, but I'm having difficulty. See the lovely diagram from the Klyde manual attached. They describe an orange wire for Illumination and an Orange wire for Reverse (mistake in there somewhere). With everything else connected so far, I'm left with the following not connected to the head unit:

orange wire - either illumination or reverse

orange/black wire - either illumination or reverse I guess?

white wire - not described in the manual at all (different from the other white wire for front left speaker)

With the unit powered up, if I put +12v to orange or orange/black, I instantly get a black screen and it doesn't return when removing the 12v signal. I have to completely remove power to the unit and start from a hard reboot.

Cam is powered and connected to "Cam" RCA input. Have confirmed it works by also connecting it to Video in and using AVIN app. Any ideas are appreciated.
[MTCB Android Head Units Q&A] spankaroo:
Starting to think I have a hardware or firmware issue. Inserting a DVD also immediately results in a black screen that doesn't return to home when ejecting the DVD. Again, I need to do a hard reset on the head unit to get back to normal.

MCU is MTCB-KLD-V2.02

---------- Post added at 11:30 AM ---------- Previous post was at 10:44 AM ----------

Performed a System Recovery -- and all is good! My reverse wire is Orange/Black -- signals cam perfectly.

DVD works now and am returning to home screen fine.

Have no idea how I got it all messed up, but I'm starting with software installs again now.
[MTCB Android Head Units Q&A] veget83:
hi guys, its possible to hide the statsusbar notify of XposedMTC module?
[MTCB Android Head Units Q&A] makkan00:
Thanks very much for taking time and searching this.

Well I have had it for a week now and I have been driving on M25 and A roads.

Signals are better in less built up area and I can listen to bbc news in the morning. Signals are better when I go uphill and worst when you are going downhill.

No signals at all when I go to east Kent.

I have searched for dual antennas and this is the only thing which I found

http://www.75andzt.com/index.php?route=product/product&path=79&product_id=134

It does not look like diversity antenna but it has two antenna ports. I guess we can inquire about the module.

And seller is selling HuiFei so I take it that it will be compatible with our units.

Price seems bit steep but if it does work, then why not?

Awaiting your opinion.

PS: BMW E90, 92 (Saloon and coupe) use diversity antenna in the roof and it uses the rear glass to get the signals. BMW E91 (estate) uses the diversity module which is behind the rear roof spoiler and uses the rear glass on passenger side to have signals for TV + DAB.

E93 (Convertible) uses antenna which is located on the near side rear bumper. It is not attached to the bumper but it sits on the metal bar behind the bumper.

I have personally experimented with E90/E92 tv fitted by bmw. I have also played with KUFATEC kit for BMW which uses two antennas. It gives excellent results in the area where my android unit drops signals. Reception on Kufatec is better than BMW OEM tuners.

But as you stated, there is no comparison of true diversity antenna v/s amplified antenna (my antenna).
[MTCB Android Head Units Q&A] liquidini:
Can we use usb tuner connected via otg? Manufacturer says that its compatible with rk3066 and Android 4.1+..

They cost about 30€ and come with external antenna with two poles.

http://m.aliexpress.com/item/1860516816.html
[MTCB Android Head Units Q&A] typos1:
You can use ANY Android DVB-T usb tuner on these devices.

The problem, in the UK at least, is that reception is not good when moving unless you have a dual tuner/diversity box. DVB-T is designed for stationary viewing, not mobile, this is why you need 2 antennas . . . or more !

Not sure what you mean by "two poles", the dongle in the link you posted is single tuner, there are no dual tuner Android DVB-T tuners available.
[MTCB Android Head Units Q&A] leckig:
how does this unit compare?

http://www.ebay.com/itm/Android-4-2...-DVR-OBD2-BT-1080P-1-6GHz-Unit-/191227453040?

This seller seems to have good feedback and a fairly informative website:

http://www.autopumpkin.com/specials...ch-screen-3g-wifi-bluetooth-support-obd2.html

this would be for my 2011 RAV4.

Any idea where I could get the frame/bezel for better fit?
[MTCB Android Head Units Q&A] gatonico:
Please share with us if working my unit has GS 2.06

Thank you

---------- Post added at 01:34 AM ---------- Previous post was at 01:31 AM ----------

Yes Please send me the link
[MTCB Android Head Units Q&A] djwyldeone:
GPS not working

I got one of these stereos for my BMW and I'm having problems with GPS not working. No reception at all I've looked at everything 1000 times. Updated to 2.02 This is a GS. Anyone have any tips or have the same problems?
[MTCB Android Head Units Q&A] typos1:
Open it up and check the antenna is connected to the GPS module.
[MTCB Android Head Units Q&A] lemm007:
please upload 2.06 firmware and mcu ,my unit has GS 2.02
[MTCB Android Head Units Q&A] agentdr8:
The android system tends to kill off background services if they don't have a foreground notification. I could put in a pref to hide the ongoing notification, but there's the potential that the service would get killed off, and not woken up when it needs to refresh the sunrise/sunset times.
[MTCB Android Head Units Q&A] antiguangenius:
If you want to use amplifier press the band button the unit I have u have to press the band button to activate the amp remote wire, atleast for the first time u install the unit after that it's normal if you are not using amplifier do this on your car connection not the radio take a A battery and try the find the speaker wires if you tell me the make year and model I can tell u the exact colors, when u find the wires connect the appropriate wire to the head unit white & white/black goes on one speaker, same for the others it's a solid color and the black lined color pairs...

---------- Post added at 02:22 AM ---------- Previous post was at 02:20 AM ----------

You shouldn't need to recode the car make sure the correct can bus setting is set in the factory menu
[MTCB Android Head Units Q&A] ESTIMULO:
Thanks but in this 4.4.2 model i can't find any factory menu (in others models there is a menu where is possible to change the car booting logo and those stuff but not in this or i don't know where)

EDIT: factory menu found, ask password?
[MTCB Android Head Units Q&A] Warlord711:
Password in the settings menu is "126"
[MTCB Android Head Units Q&A] RoBe30:
Hey agentdr8, great work bud. I was hoping for a feature request to add to your Xposed module,

Is it possible to have the phone swc mapped to launch tablet talk instead of the built in Bluetooth menu?
[MTCB Android Head Units Q&A] dnts:
For some reason, the XposedMTC Radio preset workaround didn't work for my with my KGL radio. I was thinking of insalling Tasker to automatically copy the sharedPreferences file back to the radio app data directory. It might and might not work (maybe I'd need to kill the radio app running and re-launch it so it loads the values from the preferences file I just copied). So I scratched my head and decided that since I only need 6 known frequencies in my radio and those are not going to change or at least - their default values are known - I'd better hack the Radio app and change the unusable defaults it comes with. And so I successfuly did. It takes ~15 minutes and doesn't involve too much know-how. Just a set of SW tools, Notepad++ and some common sense... and root access+ES file explorer to extract files and put new ones back in.

If anybody is interested, please let me know and I will post exactly what I did (not step-by-step but rather the idea behind it all).

Nir