yashsingh1/xdaforums huggingface dataset:
[Android Head-Units] Vin87:
This radio really looks tempting. I've been using an Appradio 3 in my previous cars, absolutely loved it, but it had his connection problems now and then. My current car has a OEM double din system which I hate. It seems the C500 comes already with the proper connections so it's true plug and play for my car (2012 Toyota):

http://www.ownice.com/Pro_2 din Car GPS for Toyota universal_409.html

Just have to wire the back-up camera and get an adapter for the aerial. The first ones are already on Alibaba (Octa core version), but I really need a stable radio this time, with good rear view camera support..
[Android Head-Units] fastdruid:
I suspect it's not much help but the reverse detection works in the Ford CAN bus version. I don't have the camera though, it just displays a black screen!

I don't believe though that the "back" wire supplies power, I believe it is 12v *in* to the unit to switch to the camera. With the Ford one I have the CAN bus translator is separate not built in and on that the "back" wire comes from the translator and into the head unit.
[Android Head-Units] ngochoangimsat:
Yes, i updated this firmware. We can call via simcard - this is the biggest new from this firmware.
[Android Head-Units] kibsoft:
I've installed device(the one with hardware buttons and rotating knobs) into my Skoda Rapid and the sound wasn't good using default music app, therefore I've installed "PowerAMP 3 alpha" and sound is much better now. But hardware rotating knob called "Seek"(to switch between songs) doesn't work for PowerAMP, but works for default Music app . Anybody knows how to reassign hardware buttons to different actions? Actually I need to catch events from Seek rotating knob and send them into PowerAMP somehow.
[Android Head-Units] JosefKl:
Model DGS6666F - problem

Hi,

I have Model DGS6666F

thare is no color in the button. and the colors don't change.

what can i do?
[Android Head-Units] sylver78:
I'm trying to get info from firmware update, for now I've found that interesting partitions are ext4 :

# mount point	fstype	device	[device2]

/boot	emmc	boot
/cache	ext4	/dev/block/mmcblk0p4
/data	ext4	/dev/block/mmcblk0p5
/misc	emmc	misc
/recovery	emmc	recovery
/sdcard	vfat	/dev/block/mmcblk0p6
/system	ext4	/dev/block/mmcblk0p3

Now I'll try to find offset of different ext4 partitions

I've also found the "ANDROID!" magic at offsets 376672 and 9484128
[Android Head-Units] gormiza:
Does anyone happen to get Root?
[Android Head-Units] carstenhjorth:
You could very well be right, but mine is with build in can bus decoder and the wiring schematic shows the "back" wire powering the cam, this has been confirmed by "Linda" from Ownice. I dont dare connecting 12v to the wire, might very easy burn the output, that is if it is a output..So far they have offered me a rear view mirror with build in screen as a compensation.... All i want is for it to work.

Edit: Just got a message telling me to power the wire, so it must be as you wrote. Shame if the can bus decoder does not provide this signal..

/Carsten
[Android Head-Units] sylver78:
Ok to find the location of ext partition I did look for the EXT Magic (53EF) followed by an information saying that the partition was mounted with success last time (0100). Looking for this (53EF0100) is allowing to identifying the EXT partitions in the .bin. When this is identified the beginning of the partition image is at the beginning of the 1024 "00" bytes before the area with the EXT Magic I've counted 6 partitions at following offsets :

- 19697544 (0x12C8F88 )

- 153915492 (0x92C9064)

- 417762380 (0x18E68C4C)

- 659509724 (0x274F51DC)

- 854718640 (0x32F1F8B0)

- 986457492 (0x3ACC2594)

I've not been able to correctly mount the first partition (it's expecting the total file to be over 1.5GB and if I extend the file to be as big as expected, there are some errors detected in the filesystem).

I'll update this post with my tries to mount other partitions
[Android Head-Units] UnReal':
Hello,

I can't get Ok Google to work on any screen with the stock launcher, someone can use "any screen" option?
[Android Head-Units] ely.soto:
Just got my unit. Still waiting for the dvr camera. I have a mercedes ntg2.5 w219 and one of the supplied connectors match. Had to figure out the pinout.

The A connector didn't have a punchout for the MOST connector so I'll have to mod that. Also need to figure out the BACK purple wire pointing to the rear camera. Is it the camera power or camera led illumination power?

Edit: Apparently the BACK wire is for the led on the camera according to the FAQ.

I did order a bunch of other connectors to make it seemless. Din to double Fakra powered,3.5mm to microphone fakra, MOST encoder for harmon kardon amp.
[Android Head-Units] ely.soto:
I was provided with this FAQ. It's for the C200 but still relevant. Search for ownice FAQ on aliexpress.

https://www.aliexpress.com/store/pr...32429223660.html?spm=2114.12010608.0.0.LFHL20
[Android Head-Units] DTT59:
Hello,

I just received the car radio C500. I havé VW golf v. When I plug it in, it works. But after 10 minutes it turns off alone. I have to wait several minutes before I can unplug it, reconnect it, and it re-operates. But again after 10 minutes it stops. I have seen on French forums that I am not the only one to have this problem.

Are you aware of this problem? What are the solutions ?

Thanks by d'avance.
[Android Head-Units] Flemischguy:
Could it be overheating? Can you install CPU-Z and check that?
[Android Head-Units] DTT59:
I don't Think it's this because it's arrive aller Time exactly at 10mn

A problème with CANBUS ...?
[Android Head-Units] Crimespree:
Installed my head unit last night. Coming from a ca-fi I was very impressed with the speed.

I always knew this was going to be a bit of a lottery but my issues are waking from sleep, it just resets despite being set to 60 minutes, and Bluetooth does not auto connect (pressing the connect button in the BT app works).

It seems there is no native Bluetooth support and a lot of it is hidden away, this is a pain for me as I am looking to connect to some telemetry software via Bluetooth.
[Android Head-Units] kibsoft:
I have a problem with sleep mode too. I asked other people and they have the same issue, no matter which option you set in settings it resets whenever it wants. I don't use Bluetooth, so I can't say anything about it.
[Android Head-Units] gormiza:
Power consumption in sleep mode 0,35-0,5A
[Android Head-Units] ely.soto:
Ownice sent me a message claiming that system password 9999 provides root. Doubt it, but someone should check. I havent installed my unit yet.

---------- Post added at 02:06 PM ---------- Previous post was at 02:04 PM ----------

What are the reverse camera options? Can you enable/disable guide lines? Are the guide lines dynamic?
[Android Head-Units] HVB83:
You guys think a bluetooth or usb gps module would work in order to get a gps signal, or does it require special drivers that are not installed?

I'll use this car for holiday from next week on, so no time to have spare parts shipped from China or send it in for a warranty claim.
[Android Head-Units] vgabbott:
I would think it would. Give it a try.
[Android Head-Units] maxmadero:
Hello. I have a problem with the C500 Octacore and a Ford Kuga 2010. When i connect the device, it´s impossible to me turn off the Ownice C500. And, when the Ownice C500 is on, it´s impossible close the car with the remote key. I tried to configure in settings, sleep time... and i also tried to reset, but the device don´t reset. Any idea? (Sorry for my english)
[Android Head-Units] kadete26:
:highfive:
[Android Head-Units] ASKInter:
It does not see fix-up 120 HDD GB, does not have support 2.5 " has some particular claims ?
[Android Head-Units] CodeCharlie007:
Buzzing / Humming when Screen Dims

All, I have a C500 Octacore with the CANBus integration on my Mercedes E550 and I am using an optical interface to the MOST ring so I can still use the factory amp. Overall the system sounds great with one exception --> when the headlights come on, triggering the "night/dim" mode on the head unit, I start getting an annoying buzzing sound through the speakers. Originally I thought it might just be a bad grounding point so I shifted to a dedicated line to a factory grounding lug but still have the issue so now I am thinking its either some issue with the CANBus adapter or a problem in the radio itself. I have already reached out to Ownice's tech support but haven't gotten a reply (3-days...). Has anyone else had this issue and fixed it?
[Android Head-Units] nicodabomb:
Hi guys,

I contacted the support ownice, and they replied that the latest octa-core version supports the name of the radio stations in France :good:.

The owners of octa-core, do you have a return on use?
[Android Head-Units] UffeJ:
Bob, What happen with Radio Station Name in Quad Core C500 ??
[Android Head-Units] gegele:
2011-2014.
[Android Head-Units] 2mooon:
need what?
[Android Head-Units] janlwi:
Yes, works fine.
[Android Head-Units] ASKInter:
My quad version supports the name of the radio stations in Europe.

https://photos.app.goo.gl/bsZRa8CihoGIaw5i2
[Android Head-Units] Argentum_90:
Nice to see you here. When are you launch the update for quad core users? We are waiting for months, and incredibly the new quad HU sold has this new firmware with station names. What are you waiting?
[Android Head-Units] fredin:
I see new car dvd player on ali express with android 7.1 , did you think ownice will make new device ?
[Android Head-Units] Argentum_90:
Ownice and update are not compatible words.
[Android Head-Units] timmy_ua:
:D:D:D
[Android Head-Units] fredin:
:good::good::good:
[Android Head-Units] lottumeb:
LOL :good:

---------- Post added at 17:17 ---------- Previous post was at 17:11 ----------

Don't be sad, you're not alone.

octacore has zero support as well....:(
[Android Head-Units] danzandt:
Hi, I got mounted the Ownice on Navara today and many things works fine and very fast including DAB+ (Octacore even) however with 3 exceptions: DVR (DSP) camera doesn’t work – just the start icon, no active image, Bluetooth refuses to start and OBDII has no function at all. OBDII get paired with code 1234 but that’s all!

Do you have any ideas please, especially about DVR?

Thank you,

Daniel
[Android Head-Units] yurtesen:
I recently realized my MTK tablet had an Quick Boot option and it boots in less than 5 seconds once it is set. I found out that it hibernates instead of shutting down when this is set. Do you know if we can do it in our c500? I found this may be enabled by putting

persist.sys.shutdown.mode=hibernate

In build.prop but needs root.

Did you try this?
[Android Head-Units] Argentum_90:
I heard that octa core is making amplifier not working by canbus box in Audi A4. You need a Phonocar to fix this error.
[Android Head-Units] JeDaj:
Hi,

I'm about to buy C500 (octa core version) but I'd like to ask one question to those that already have it. When you play mp3 files from internal memory and quit the app, stop the car, etc... than you start it again and start the app, does it remember which file was last played and where have you stopped (mins:sec)? Or does it just start from the first song in directory/memory? I ask this because while driving I listen to audiobooks and it would be a big downside if I had to remember which chapter/file I have listened last.

Thanks!
[Android Head-Units] Argentum_90:
Yes. It remembers.

---------- Post added at 12:01 PM ---------- Previous post was at 12:00 PM ----------

Has anyone tried the radio app from other head unit or is it not compatible with our hardware?

Is it possible to extract the Radio app of a quad core with stations names and install it on our poor radios?
[Android Head-Units] sapoide:
i just bought the quadcore Ownice C500 OL - 7001F - my unit was production date 2 May - firmware 13 April - (got the production date sending serial number to customer support asking for it) and i can confirm that RDS is already working on this unit..

I know that doesnt help all you guys that waiting for the software update to fix your, but help if anyone is interested in buying one now.

also there are some nice tweeks here https://xdaforums.com/wiki/Ownice_C500
[Android Head-Units] vgabbott@gmail.com:
Today,I sent Ownice Bob the following email about a rearwindow WiFi camera which would be perfect solution.

Dear Bob,

I am still trying to get a rear window camera working with the C500. *As you may remember I tried to add a second Ownice DVR cam for rear window. *That did not work. *I then purchased another camera ... This one is a WiFi unit with a 32gb SD card. *It uses a Play store app called 168cardvr . *My thinking was that the c500 WiFi was available so that I could have the c500 control the WiFi camera. *In theory, it should work... But it doesn't. *It works with my lg tablet and smartphone but not with c500. *The c500 does connect to WiFi cam OK but the app 168cardvr cam not see the wifi connection and gives error of no WiFi connection when in fact c500 WiFi settings shows c500 is connected to WiFi camera. *

Can you ask your Ownice Developers why I am having this problem? *It would really be nice to have a back window camera in my truck. *I am sure lots of your other c500 customers would buy a back window camera if Ownice could make it work or sell an Ownice labeled can for this purpose.

Here is the link for cam I purchased and am trying to get to work:

Car Vehicle DVR Camera WIFI Video Recorder Dash Cam full hd 1080P Night Vision G-sensor Digital Camcorder Auto Registrator

*http://s.aliexpress.com/JbYf6buM*

(from AliExpress Android)

Thank you in advance for your assistance.

Van Abbott

Ketchikan, Alaska
[Android Head-Units] BigKitten:
Hi.

As far as I've been able to tell, the reboots are caused by stock android netd when changing radio access technology to EDGE/2G.

It seems like when the unit switches to 2G, netd tries to insert lots and lots of iptables (firewall/traffic marking) rules, apparently to mark/shape the mobile hotspot traffic... which leads to HU exhausting its free memory and being rebooted.

I haven't looked for a solution yet, though. Maybe Bob from Ownice could help?
[Android Head-Units] Mammûûth:
[IMG="Rear camera with 6 meters long cable."]https://ae01.alicdn.com/kf/HTB1AcchQXXXXXX9XVXXq6xXFXXXS/204916147/HTB1AcchQXXXXXX9XVXXq6xXFXXXS.jpg[/IMG]

I bought this, and I don't know how to connect the red wire from the video rca, I think the upper one goes to the 12v aac but what about the one in the middle of the pic? (I know it says both red wires from the video rca are useless but why are they there then?)

I anyone knows how to do this pls tell me , any help is appreciated.
[Android Head-Units] Argentum_90:
Small red cable is for trigger, but the Ownice recognizes Reverse by canbus, so when camera starts, the app starts too.
[Android Head-Units] Mammûûth:
Before boot too?
[Android Head-Units] Argentum_90:
Yes
[Android Head-Units] HVB83:
Over the past weeks I've been travelling through the countryside of France, and have been able to source the reboot problem also. Up to that, I've actually never experienced a reboot I must say, but that is probably because I never experienced situations of bad 4G-coverage in the Benelux.

First I need to paint the complete picture. A couple of weeks ago my sim slot and GPS-antenna stopped functioning. Because of the holiday coming up, having it shipped to China for repairs or having spare parts send my way wasn't an option, so I needed a way around that. I installed a GPS tether application and combined with Tasker, this app tethers the GPS position from my phone to the headunit through WIFI. Same goes for the 4G-signal. Don't think this makes much of a difference to the crashes, but it's essential to provide this kind of information anyway.

Suddenly the unit started showing irregular reboots and at first I wasn't able to source what the problem was. Later on however, I found out what this was. For some reason, the headunit needs a working internet connection in order to not reboot. I've tested this on a couple of occassions and the results are the same every time:

- phone looses internet connection because of poor reception leads to reboot;

- while passing the border, the internet connection is lost. Headunit reboots. Because I had my phone set to manual network selection, the headunit rebooted again a couple of minutes later. After ensuring there was a proper internet connection available, the unit didn't reboot anymore;

- getting out of the car with the phone in my pocket made Tasker think it wasn't in the car anymore because the bluetooth connection was lost. Therefor it shut down the WIFI tethering to the headunit and the unit crashed.

The above I was able to replicate the above consistently.

At first I thought it might have something to do with the satnav application I was using, but even after a fresh reboot, the unit would crash.

No definitive solution yet, but knowing what it is, it is workable for me since I usually have reliable and fast coverage where I live. A definitive solution would be great though.

Now just see if Ownice offers any kind of service by sending spare parts my way to repair the broken GPS/SIM-slot...
[Android Head-Units] Kurt Lund:
Based on my experience with Winlink/Ownice you will never get a reply, be it a solution to your problem from Bob. I dont know if a MTCD HU with Malaysk ROM will support your rear window camera, but there at least you have a chance that somebody will help you with your problem.

Regards

Kurt Lund
[Android Head-Units] lukas.elk:
I came to the same conclusion as [MENTION=273616]HVB83[/MENTION] When I use my phone as a hotspot the unit reboots when the phone loses reception but hotspot is still working. So definetely the connection must be solid while connected to a hotspot.

I bought an LTE sim card to try and eliminate the need of using my phone as a hotspot but then found another issue. I do have reception but only 3G. When I try to log into the 4G network it says it's not allowed. Then even though the 3G reception is perfect there is no internet connection. The APNs are correct, data is enabled, tried airplane mode etc to somehow reset it but to no avail. Anyone has an idea what else could be wrong? I'd like to get the 3G working at least.
[Android Head-Units] yurtesen:
I am not sure exactly how but today my display got broken. It seem to refresh every other vertical line and also shows some ghost images of previous screens I have been to. Reset does not help. I bought it from Winlink store at AliExpress and just sent them a message. Do you have any suggestions on any other way to contact them?
[Android Head-Units] e_rocm:
Hi, I am wondering if there is somewhere that I can purchase a replacement 4G antenna. One of mine has become extremely warped from the summer heat and would like to replace it. If there isn't an OEM type replacement is there a certain connector or specs that I should be looking for as a third party solution?
[Android Head-Units] yurtesen:
[MENTION=1558573]e_rocm[/MENTION] it uses sma-male connector. Very common and you can get 4G antennas with it easily from AliExpress for example.

You could also get rid of the plastic cover and hide the antenna somewhere you won't ever see. I didn't open mine but the actual antenna can just be a piece of wire or a thin circuit board. You can put it into something else of your liking.
[Android Head-Units] yurtesen:
[MENTION=7362203]lukas.elk[/MENTION] Your 4G may be operating at a frequency which is not supported by c500? 4G works for me.

About internet connection problem, it would be impossible to tell what the problem may be with the information you gave. I think it would have been great to be able to use internet sharing with bluetooth from phone, but it didn't work for me. You should search for reasons why internet connection does not work on android even when the APN is correct. But I imagine your APN may be incorrect also. Try with the SIM from your phone or try the new SIM in your phone perhaps?
[Android Head-Units] lukas.elk:
[MENTION=3394679]yurtesen[/MENTION] in Europe we have FDD-LTE 1800. When looking at https://en.wikipedia.org/wiki/LTE_frequency_bands it seems that the FDD-LTE frequencies of the C500 fall into the FDD-LTE 1800 range?

[IMG="C500 supported frequencies"]https://xdaforums.com/wiki/images/b/b0/Ownice_c500_frequencies.png[/IMG]
[Android Head-Units] yurtesen:
[MENTION=7362203]lukas.elk[/MENTION] the question is which frequency your provider is using. For example some providers in UK use only 900Mhz for 4G. Also it may depend on how strong the signal is. At least I think the antennas from ownice maybe not that good for 1.8Ghz, at least I had better signal in my phone compared to radio. You have to test it at a location where you have full signal in your phone. Also I found out that at least in my unit the antenna connector next to GPS seems to be a primary antenna. If you have one one antenna connected, you may want to try the antenna connector.

I use an app called LTE Discovery in my phone and it can show the frequencies used. (with root). About your internet connection problems, perhaps looking at android logs may reveal something. But afaik you are the only person which has this internet problem so I think there may be problems with your APN settings. Also try the reset network settings option.
[Android Head-Units] lukas.elk:
[MENTION=3394679]yurtesen[/MENTION] thanks for a comprehensive answer. From the info that I found about my operator (Play) they support 1800Mhz. I am using both antennas but the hint about them not working well with 1800MHz is something that I indeed need to check. Like I mentioned the 4G network is detected but it can't log into it for some reason.

My unit is not rooted and probably won't be (although the lack of some functionalities is tempting) but indeed maybe some logs would reveal the problem. Would you mind to give me some guidance on what to check?

I did check the APNs with my phone which is using the same operator. Also checked with the data available on the operator website. All looks fine. Also resetted everything many times. It just looks hopeless.
[Android Head-Units] Mammûûth:
At last the B20 hehe

I wish I can get it on my C500 octa mercedes w203 version
[Android Head-Units] e_rocm:
Hey Bob, is the link you provided a new version of the C500 that supports different FDD Bands? My main problem is that my current Ownice only supports 3G in the U.S. and it is quite slow. If this new unit supports LTE T-Mobile USA bands, then that would be amazing.
[Android Head-Units] Flemischguy:
Hi Bob.

Your Youtube link doesn't work.

And do you know that the links on 'Home > FAQ > Faq1' page on your website is down? If i klik on one of the links i get this message 'Internal Server Error'

*mea culpa... google is your friend and my first question was indeed stupid! ^^
[Android Head-Units] Mammûûth:
It's weird I have the 4g signal on my unit but can't access internet???
[Android Head-Units] Mammûûth:
I solved the problem had to set the APN, internet works now.

Let us know if we can upgrade our C500 octacore to get the LTE B20 though :)
[Android Head-Units] yurtesen:
[MENTION=7362203]lukas.elk[/MENTION] simply do a search for general android internet connection troubleshooting. I would first try to solve the network problem before diving into 4G problem.
[Android Head-Units] lukas.elk:
[MENTION=3394679]yurtesen[/MENTION] I did that and nothing helps. I have 3G signal and even with full signal strength there's no internet. APNs checked and they are correct and work on my phone in the same network. The only thing that comes into my mind is to try with a different provider.
[Android Head-Units] acknapp2001:
The brake wire needs to be grounded. That fixed it for me.