[question] Android 6 or 7 - MTCD Android Head Units Q&A

Hello
Is it possible that we will have android 6 or 7 on ours MTCD units? Or MTCD has only 5.x and its max?

No. They shouldn't even have forced 5.1.1 on the RK3188 chipset, as you can see from all the complaining, its too damn slow.

My thoughts exactly, I am now looking for a 4.4 ROM for MTCD to try

@sterod ok, Im using iOS on phone and dont know android good but newer android like a 6 or 7 dont need less ram and cpu? I think is more optymalized than older.

No. They need more of both. It was a hack to get the rock chip 3188 kernel to run android 5.1.1, it was never meant to and now all of us with slow and laggy MTCD units are feeling the buyers remorse.

sterod said:
No. They need more of both. It was a hack to get the rock chip 3188 kernel to run android 5.1.1, it was never meant to and now all of us with slow and laggy MTCD units are feeling the buyers remorse.
Click to expand...
Click to collapse
No downgrade possible?

Not that I'm aware of. Parts of the board are not compatible between the two versions.

sterod said:
Not that I'm aware of. Parts of the board are not compatible between the two versions.
Click to expand...
Click to collapse
And a good old software downgrade? Like back in the days with Android.
My unit works pretty smooth. It only takes a bit of time to boot. Any boot speed up tips?

That's what I meant, you can't downgrade a MTCD 5.1.1 unit to 4.4.4
Boot speed up can be improved by running the "speed" app in the status bar to disable startup apps

sterod said:
That's what I meant, you can't downgrade a MTCD 5.1.1 unit to 4.4.4
Boot speed up can be improved by running the "speed" app in the status bar to disable startup apps
Click to expand...
Click to collapse
Got a link? Can't seem to find it in the playstore. Or am i looking in the wrong direction?

It's built into the rom. When you are using the head unit, if you pull down the top status bar, you should see an icon called "speed" alongside the others like Amp, etc.

i would definitely be interested in a faster model, but i certainly do not have buyer's remorse over my Joying MTCD with Android 5.1, i love it.

CadillacMike said:
i would definitely be interested in a faster model, but i certainly do not have buyer's remorse over my Joying MTCD with Android 5.1, i love it.
Click to expand...
Click to collapse
Mike, if you didnt previously own a MTCB 4.4.4 unit (like I did) then you may not know just how bad the MTCD's are in comparison. With 4.4.4 EVERYTHING worked, Bluetooth, super fast GPS, no lag, it was wonderful. MTCD was a huge step backwards.

well that is correct, I did not own a MTCB before, so I have nothing to compare it to

Ignorance is truly bliss! Thankfully these units are cheap and essentially disposable at their price point. MTCD is going to be forgotten as the red headed stepchild that Windows Vista was If I could get my hands on a 10" Joying MTCB unit running 4.4.4 I'd swap mine out immediately.

the mtcd is immature, and slow. I have a 10.3 inch mtcb in my wife's car it works great. I used to have a 6.2 gs in mine. I have a joying 10.1 mtcd in mine now, it works like crap. It is slow, google maps barely opens, gps is for crap if it works at all. If I could put a 4.4.4 board in there I would. Sometimes older is better. Sometime it takes several seconds to even turn up the volume. It is crap.

Sorry if my questions sound stupid or have been asked elsewhere in this forum.
Is it possible to use a custom kernel with the ROM for the MTCB unit?
I am asking because even with having low hardware specs built into the head unit, a talented dev could pimp out the kernel to allow the device run much faster..
Edit: somebody knows whether the RK3066 chipset has similar characteristics with the one of RK3188? Maybe in that case the kernel from RK3066 can be ported to work with a MTCB unit.
Edit2: According to this comparison it doesn't look too bad: http://system-on-a-chip.specout.com/compare/309-310/Rockchip-RK3066-vs-Rockchip-RK3188
P.s.: However, i am not sure about the drivers that are needed to compile the kernel for the head unit. I guess that there is a bunch of proprietary hardware related stuffs that have to be considered.
Sent from my mako using XDA Labs

spezi77 said:
Is it possible to use a custom kernel with the ROM for the MTCB unit?
Click to expand...
Click to collapse
They have never released any kernel source for MTCB or MTCD as far as I know. So I don't think there is any possibility for a custom kernel. They clearly violate the GPL but they don't care.

da_anton said:
They have never released any kernel source for MTCB or MTCD as far as I know. So I don't think there is any possibility for a custom kernel. They clearly violate the GPL but they don't care.
Click to expand...
Click to collapse
At least the kernel source for jelly bean for the RK3066 is available here: http://www.rockchipfirmware.com/sites/default/files/GPL_Edison.tar.gz
Sent from my mako using XDA Labs

Ever tried to make a custom kernel for a Galaxy S5 with just the Qualcomm sources? No chance. You always need the kernel tree from the manufacturer which includes all the bells and whistles to get their crap running.

Related

Android 6.0 Head Units..

I have talked with a few Chinese suppliers, and know that the 6.0 head units are on there way. I am having a hard time pinning down a specific release date, but I do have in writing we should see the new units by the end of this month (October).
I'm not sure if we will get a better CPU, but they should all be coming with 2gb of RAM, and be running 6.0
Not being a dev, I'm not sure if that will really be of any huge benefit or not... But I'm guessing the standard improvements from 5 to 6 will be present.
Just putting this out there, in case some individuals are thinking of getting a new head unit. If the CPUs aren't changing, I imagine it will be simple enough to flash most of the older units with 6.0 anyways, when we have an official ROM.
All this aside, I think I'm going to switch to the AVH-4200NEX either way =)
Interesting, noting new unfortunately see Joying posts "due october" then, maybe later
Also beware of the Pumpkin 6.0 units right now.
They say they are running 6 but there are lots of clues that it's a hacked up KitKat 4.4 install.
Saw ownice have one for my car. Not sure if it's legit or not:
http://s.aliexpress.com/Mbe226NV
Even have 4g lte built in..
Hello,
I received one of the new Android 6.0.1 Pumpkin radios (SKU: 27-AQVW71):
http://www.autopumpkin.com/android-...fi-usb-sd-dvr-obd-steering-wheel-control.html
I'm not yet very happy with it. Seems to have some problems:
- No paid apps from play store can be installed
- Steering wheel control not working at all
- PDC not fully working
I wonder if I can install a custom ROM. Tried to find out MCU and processor. But "Settings - About device" doesn't give anymore detailed information, only "Build number K2001_JC_S212103.20160812.14592646".
But I found something in the "car settings". There is "APPVER K2001_JC_S212103.20160812.14592646.N0011", "PlatformVER K20-2016/08/08[15:24:12]-4.04", "BTVER GOCBC8_V1.0/2016:06:28:14:48:31" and "MCUVER V1.3-FF01-20160812-A02-CAN0000-DVD01044101 TYP99"
View attachment 3926846
Nothing about RK3188 or RK3066 as processor or on of the MCU listed here:
http://forum.xda-developers.com/showpost.php?p=61291848
Attached some more information from CPU-Z.
View attachment 3926850
View attachment 3926848
View attachment 3926849
Is this a completely new hardware where no custom ROMs are available yet?
Regards,
Klaus
Klaus. You're running an allwinner a23 1.5ghz mali-400 quad core, from the looks of it. Not a very great chip. Surprised it's running 6.0.1 properly.
I wish I could give you other details. Chances are you could root and ROM it. There should be builds available, that's a common generic CPU.
When are these Chinese HU going to get anything decent in them???
The new ownice C500 is listed with a Cortex-A53. Does someone know how good that is?
Also it would be interesting to know what LTE frequencies are supported.
It has 2 GB Ram and Android 6 and is currently available for just 274 EUR as a mobile only deal (41% off). Seems like a really good offer, or what do you think?
Link is http://s.aliexpress.com/6ZRjU3iy
Sent from my SM-N910F using XDA-Developers mobile app

New HU with 7.1.1, bloody confused- need help!

Hi Guys,
I found a non-branded HU in aliexpress with RK3188 CPU and 2 GB RAM, an updated Amplifier IC 7851 and running android 7.1.1. This is the link- https://www.aliexpress.com/item/And...32812654291.html?spm=a2g0s.8937460.0.0.RS7tIA
I am planning to get this one, I was closely following the XDA threads on Androind HU for some time. I got a plethora of info, but I still need to clear up some doubts, hopefully you guys can help me to get my doubts cleared. Please let me know if my understanding below are right:
(1) If one is not so worried about the technical support then branded non-branded HU doesn't matter right? As far as I understood, the internals are same for most of the HU. For e.g. there will be many brands coming out with the same spec as above, 2 GB RAM, RK3188 (PX3) CPU and the firmware can be cross flashed? Or atleast we can flash the malaysk rom irrespective of the Brand/Vendor, if the internals are the same?
(2) If there is something that is going to differ that would be the MCU (and yes screen resolution). Am I right? However, we can flash Malaysk rom irrespective of the MCU?
PS: I am rooting and flashing ROMs since the Samsung Galaxy S2 days, but Android HUs are a little different so I thought- "When in doubt, ask"!
Thanks in advance, guys! Please let me know anything else I should be taking into consideration before buying the above mentioned HU.
Cheers,
Rahul U S
Guys, your response is much appreciated. I just want to be sure, so asking.
Cheers,
Rahul U S
The unit you linked to is pretty much the same as the one being discussed here,
https://forum.xda-developers.com/an...t/dasaita-android-7-1-1-headunit-px3-t3588871
You would probably get more support going forward if you went with the PX5 octa-core version.
Topfar said:
The unit you linked to is pretty much the same as the one being discussed here,
https://forum.xda-developers.com/an...t/dasaita-android-7-1-1-headunit-px3-t3588871
You would probably get more support going forward if you went with the PX5 octa-core version.
Click to expand...
Click to collapse
what support?
PX3 has 2 custom ROMs (malaysk & hal9k), plenty of mods, xposed support, etc...
PX5 has 1 custom ROM (only malaysk's, but with half of the features available on PX3 version)
Intel Sofia has no custom ROM
go figure...
@s.rahus: go for it. 2GB ram is a winner and upgraded TDA7851 is the cherry on top.
not sure if malaysk's 5.1 rom can be flashed on this 7.1.1 unit and yes, has nothing to do with MCU, that needs to be vendor specific.
Thanks much, guys!
Well, that seller is not responding at all, I would probably go with the below one. Anyway, the brand really doesn't matter. So I am trying to find a seller who responds well and something that is reasonably priced.
Wholesales! Android 7.1.1 7 Inch Car DVD Player For VW/Golf/Tiguan/Skoda/Fabia/Rapid/Seat/Leon/Skoda CANBUS Wifi GPS Radio
http://s.aliexpress.com/aq6VFj2e
(from AliExpress Android)
Cheers
Rahul U S
s.rahus said:
Thanks much, guys!
Well, that seller is not responding at all, I would probably go with the below one. Anyway, the brand really doesn't matter. So I am trying to find a seller who responds well and something that is reasonably priced.
Wholesales! Android 7.1.1 7 Inch Car DVD Player For VW/Golf/Tiguan/Skoda/Fabia/Rapid/Seat/Leon/Skoda CANBUS Wifi GPS Radio
http://s.aliexpress.com/aq6VFj2e
(from AliExpress Android)
Cheers
Rahul U S
Click to expand...
Click to collapse
Pick another one, this one doesn't have upgraded amp chip, it's still a 7388.
No need for 7.1.1, find a good one with 6 or even 5.1
zerozoneice said:
Pick another one, this one doesn't have upgraded amp chip, it's still a 7388.
No need for 7.1.1, find a good one with 6 or even 5.1
Click to expand...
Click to collapse
Hey, thanks for spending time and helping me out man, really appreciated. However, I could find just that seller with 7851 and he/she is not responding at all. If you find one with 7851, please let me know. I need the similar to OE looks and would love to have the android 7.1.1.
Cheers,
Rahul U S
zerozoneice said:
Pick another one, this one doesn't have upgraded amp chip, it's still a 7388.
No need for 7.1.1, find a good one with 6 or even 5.1
Click to expand...
Click to collapse
Found one with IC 7850. From what I read 7850 and 7851 are same. Check this out and please let me know what you think- https://www.aliexpress.com/item/4-C...32691433062.html?spm=a2g0s.8937460.0.0.73gTna
Cheers,
Rahul U S
s.rahus said:
Found one with IC 7850. From what I read 7850 and 7851 are same. Check this out and please let me know what you think- https://www.aliexpress.com/item/4-C...32691433062.html?spm=a2g0s.8937460.0.0.73gTna
Cheers,
Rahul U S
Click to expand...
Click to collapse
sure
zerozoneice said:
sure
Click to expand...
Click to collapse
Hey bud, I am going with this one. It seems to have a better Radio IC chip as well, which claims to give a better radio reception than the TDA 77xx.
Cheers,
Rahul U S
s.rahus said:
Hey bud, I am going with this one. It seems to have a better Radio IC chip as well, which claims to give a better radio reception than the TDA 77xx.
Cheers,
Rahul U S
Click to expand...
Click to collapse
There are no 'better' tuner or amp ICs in these, the better is so insignificant its not worth worrying about. If you want the best audio amplification, use external amps. Regarding the tuner, you can install an RF amp at the antenna, but that doesnt overcome the shyte selectivity of these units. Best have a decent antenna and accept the hit-or-miss quality of the tuner.
I suggest buying a HotAudio, witson, joying or xtrons as they atleast have some support, even if second rate compared to major brands.
s.rahus said:
Hey bud, I am going with this one. It seems to have a better Radio IC chip as well, which claims to give a better radio reception than the TDA 77xx.
Cheers,
Rahul U S
Click to expand...
Click to collapse
yes, 6686 it's said to have better reception esp. in low signal areas. good luck
zerozoneice said:
yes, 6686 it's said to have better reception esp. in low signal areas. good luck
Click to expand...
Click to collapse
Thanks much mate!
Cheers,
Rahul U S
marchnz said:
There are no 'better' tuner or amp ICs in these, the better is so insignificant its not worth worrying about. If you want the best audio amplification, use external amps. Regarding the tuner, you can install an RF amp at the antenna, but that doesnt overcome the shyte selectivity of these units. Best have a decent antenna and accept the hit-or-miss quality of the tuner.
I suggest buying a HotAudio, witson, joying or xtrons as they atleast have some support, even if second rate compared to major brands.
Click to expand...
Click to collapse
Thanks! Valid point. I have heard that the support from the above brands too are nothing to write home about, however yeah some support is better than no support. Unfortunately, I cannot find the one I need with these brands. I am taking a chance and trying my luck. Let's see.
Cheers,
Rahul U S
s.rahus said:
Thanks! Valid point. I have heard that the support from the above brands too are nothing to write home about, however yeah some support is better than no support. Unfortunately, I cannot find the one I need with these brands. I am taking a chance and trying my luck. Let's see.
Cheers,
Rahul U S
Click to expand...
Click to collapse
MTCD is MTCD, they're all based on MTCD reference design with some minor differences. For context, I have a JY (originally px3 1GB) with latest HCT PX5 2GB and HA 2.56 MCU.
Regards,
Marc
Topfar said:
The unit you linked to is pretty much the same as the one being discussed here,
https://forum.xda-developers.com/an...t/dasaita-android-7-1-1-headunit-px3-t3588871
You would probably get more support going forward if you went with the PX5 octa-core version.
Click to expand...
Click to collapse
s.rahus said:
Thanks! Valid point. I have heard that the support from the above brands too are nothing to write home about, however yeah some support is better than no support. Unfortunately, I cannot find the one I need with these brands. I am taking a chance and trying my luck. Let's see.
Click to expand...
Click to collapse
@Topfar, as both RK3188/PX3 MTCD and RK3368/PX5 MTCD units are being made (including developing N for the RK3188/PX3 BEFORE the RK3368/PX5 gets it) then theres no reason to suggest that "support" is going to be better for the octacore ones, but basically the only support your ll get is from XDA, whatever MTC unit you buy.
zerozoneice said:
yes, 6686 it's said to have better reception esp. in low signal areas. good luck
Click to expand...
Click to collapse
Yes, I had an MTCB unit with the 7786 and then one with the 6686 and the 6686 is deffo better reception wise, wit a boosted antenna I get lots of stations.
s.rahus said:
Hi Guys,
I found a non-branded HU in aliexpress with RK3188 CPU and 2 GB RAM, an updated Amplifier IC 7851 and running android 7.1.1. This is the link- https://www.aliexpress.com/item/And...32812654291.html?spm=a2g0s.8937460.0.0.RS7tIA
Click to expand...
Click to collapse
That one has pics of MTCB/C SWC screen, not the MTCD one, guessing thats an error, unless theres N for MTCB/C coming, probabaly not, unfortunately.
Anyway, currently there are a few N ROMs for RK3188/PX3 but theyve been labelled as experimental, seeing as units with N are now actually on sale, a full N ROM for RK3188/PX3 cant be far away . . .
typos1 said:
That one has pics of MTCB/C SWC screen, not the MTCD one, guessing thats an error, unless theres N for MTCB/C coming, probabaly not, unfortunately.
Click to expand...
Click to collapse
Thanks for all your inputs, appreciated! I have decided to go with this one, with amp IC 7850 (same as IC 7851) and NXP radio IC. By the way, what do you mean by SWC screen (the physical key layout)?
Android 7.1.1 RK3188 4 Core 1.6G*4 Car DVD Player for Golf Polo Passat Tiguan EOS for Seat 2G RAM iNANDR Auto Stereo Radio RDS
http://s.aliexpress.com/F7VVF7zu
(from AliExpress Android)
Thanks,
Rahul U S
s.rahus said:
By the way, what do you mean by SWC screen (the physical key layout)?
Click to expand...
Click to collapse
The screen that shows the functions you can assign to the SWC is from an MTCB/B unit, see pic.
typos1 said:
The screen that shows the functions you can assign to the SWC is from an MTCB/B unit, see pic.
Click to expand...
Click to collapse
My guess is that they just edit and reuse the existing photos (of course superimposing the user interface). Have a look at the physical key layout as well, I think that too is not updated?
Will ask the seller anyway.
Thanks,
Rahul U S
s.rahus said:
My guess is that they just edit and reuse the existing photos (of course superimposing the user interface). Have a look at the physical key layout as well, I think that too is not updated?
Will ask the seller anyway.
Thanks,
Rahul U S
Click to expand...
Click to collapse
Yeah and its probably MTCD cos it has the launcher without the weather and with speed boost/amp//brightness etc.

Android 7 on PX5?

Hi! I wonder if someone has Android 7 running on a PX5... Improvements? is it.worth?
Thanks.in advance
solmer said:
Hi! I wonder if someone has Android 7 running on a PX5... Improvements? is it.worth?
Thanks.in advance
Click to expand...
Click to collapse
Only on px3 and rk3188
alukarulz said:
Only on px3 and rk3188
Click to expand...
Click to collapse
Thanks !
I have been wondering the same, and after searching for hours on this forum, I'm surprised. Is putting Nougat on the Px5 not possible? That seems like a weird limitation. I'm trying to decide what unit to buy, and I can't believe that the choice is between older hardware and newer os, versus newer hardware and older os.
The ability to upgrade is mainly limited by hardware drivers for certain kernel versions.
There are some rumors about Android 8 for PX5. Stay tuned.
jojo_coco said:
I have been wondering the same, and after searching for hours on this forum, I'm surprised. Is putting Nougat on the Px5 not possible? That seems like a weird limitation. I'm trying to decide what unit to buy, and I can't believe that the choice is between older hardware and newer os, versus newer hardware and older os.
Click to expand...
Click to collapse
Yes, I thought this was weird too. While PX5 board is faster it seems all the OS development is going to PX3. We already now have 7.1.2.
I've also noticed that lots of PX3 boards are now coming with 2GB of RAM as standard. One thinks maybe it was just a RAM issue and manufacturers don't want to make a more expensive board when all they really need to do is an an extra 1GB RAM to existing PX3s.

Has anyone tried the android 7.1 2gb 32gb octo core units yet??

Posted in wrong thread sorry
As title im thinking of buying this unit
http://www.autopumpkin.co.uk/vw-ste...ation-for-vw-skoda-seat-series-octa-core.html
for my octavia vrs and wondered if anyone has opinions on them as they are octo with 7.1??
Or would the android 6.0 4gb! 32gb octo core be better / more stable??????
like this one
http://xtrons.com/pe96mtvpl-9-hd-oc...-car-stereo-custom-fit-for-vw-seat-skoda.html
cheers
This looks pretty weird to me. The hardware facts (Octo-Core [Big.Little], 2GB RAM and 32GB ROM) sounds like a normal PX5 unit. PX5 however is not available with Android 7. Only Android 6 is available.
The description also says "OS: Android 7.1 Marshmallow" which is kind of wrong since Android 7 is Android N (Nougat), not Marshmallow.
I guess if you order it you will get a PX5 unit with Android 6 on it even if all pictures seem to be indicating Android 7.1.
Alternatively you might get a PX3 unit with Android 7.1 on it. There are PX3 units with 2GB RAM as of my knowledge. But then the Ocata-Core description is wrong. So either of them is wrong or you would get some complete custom design.
Anyway there are rumors that soon there will be Android 8/O/Oreo available for PX5. So I think this is the best way to do. It also seems that the first PX5 units with 4GB RAM are about to appear on the market.
SkyBeam2048 said:
This looks pretty weird to me. The hardware facts (Octo-Core [Big.Little], 2GB RAM and 32GB ROM) sounds like a normal PX5 unit. PX5 however is not available with Android 7. Only Android 6 is available.
The description also says "OS: Android 7.1 Marshmallow" which is kind of wrong since Android 7 is Android N (Nougat), not Marshmallow.
I guess if you order it you will get a PX5 unit with Android 6 on it even if all pictures seem to be indicating Android 7.1.
Alternatively you might get a PX3 unit with Android 7.1 on it. There are PX3 units with 2GB RAM as of my knowledge. But then the Ocata-Core description is wrong. So either of them is wrong or you would get some complete custom design.
Anyway there are rumors that soon there will be Android 8/O/Oreo available for PX5. So I think this is the best way to do. It also seems that the first PX5 units with 4GB RAM are about to appear on the market.
Click to expand...
Click to collapse
isnt the 2nd link i posted a px5 with 4gb of ram?
If its not true then its best i wait for an oreo version with hopefully 4gb and octo-core fingers crossed, was hoping for it by christmas.
here the .com link to the 7.1 with 2gb 32gb octocore
http://www.autopumpkin.com/android-...le-din-7-inch-touch-screen-with-gps-navi.html
jtheg said:
isnt the 2nd link i posted a px5 with 4gb of ram?
Click to expand...
Click to collapse
This is true. My reply was more about the first link with technical data which does not seem to comply to PX5 units or are invalid anyaway (Android 7 isn't Marshmallow).
Likely both units are PX5 based. The second one is pretty sure a normal PX5 unit with 4GB RAM.
I also don't believe we will see any issues on 2GB devices on Oreo. Oreo isn't much more demanding regarding CPU and memory resources than Android 6/M. Also I am personally using this device as a head unit (some navigatin, music, streaming, perhaps some video playback) but no real heavy applications which would require more than 2GB of RAM. Of course there are lots of inefficient apps out there but get real, 2GB is quite a lot of memory.
Looking forward to see the first Oreo releases.
Too bad nobody seems to release the code so we would see much more and better custom ROMs.
SkyBeam2048 said:
This is true. My reply was more about the first link with technical data which does not seem to comply to PX5 units or are invalid anyaway (Android 7 isn't Marshmallow).
Likely both units are PX5 based. The second one is pretty sure a normal PX5 unit with 4GB RAM.
I also don't believe we will see any issues on 2GB devices on Oreo. Oreo isn't much more demanding regarding CPU and memory resources than Android 6/M. Also I am personally using this device as a head unit (some navigatin, music, streaming, perhaps some video playback) but no real heavy applications which would require more than 2GB of RAM. Of course there are lots of inefficient apps out there but get real, 2GB is quite a lot of memory.
Looking forward to see the first Oreo releases.
Too bad nobody seems to release the code so we would see much more and better custom ROMs.
Click to expand...
Click to collapse
can you post a link to the unit you have please.
are you having any major issues with it? do you have the dab dongle etc.
my last unit was a 1gb 4.4 unit and it was so bad it went inn the bin as erisin tried a repair and sent it back useless!!!
Thanks
jtheg said:
can you post a link to the unit you have please.
Click to expand...
Click to collapse
Well, this won't be very helpful. I currently own a Subaru Levorg and got something like this here. But it's car specific shaping, no standard 2-DIN form factor. Also it didn't really fit my cars connectors so I fixed it by soldering my own cables. But it's a standard PX5 unit from KLD manufacturer.
jtheg said:
are you having any major issues with it? do you have the dab dongle etc.
Click to expand...
Click to collapse
No Major issues with it, only minor. Not counting the wrong cable harness as this was an issue of my car not being in any supported list.
So I am mainly suffering from standard PX5/ROM limitations. For example Google Maps in latest version hangs if terminated by auto-shutdown. There is a fix available here but it requires root access to clean the cache of another application.
Also my unit has some audible noise level which is noticeable at low volume levels. Not really an issue while driving but still annoying. The noise seems also to be dependent on touchscreen input. It's a sign of inappropriate filtering inside the unit.
My unit also suffered from very bad WLAN reception initially but this was clearly related to the bad antennas mounted to my device. I did a post about my modifications here. In addition I have meanwhile added some good WiFi Antennas directly into the dash center display which further improved reception.
These units are also known to cause slow WiFi when Bluetooth devices (phones) are connected. In such case the WiFi transfer rate drops to almost 0. Disconnecting Bluetooth helps.
Also there is a know problem called "bluetooth echo" which appears on most MTCD units during bluetooth phone calls. There is a fix available here (again, requires root). For me this is not so important as I don't use Bluetooth calling in my car regularly.
Some devices seem to have a really bad integrated microphone. Attaching an external mic usually helps. My car has ana amplified microphone built-in which I used. It works pretty well. I am not using the built-in microphone from the head unit therefore.
There seem to be unresolved issues about mounting portable mass storage devices. The re-mount after resume seems to take several minutes. Can't comment on this really as my unit only has the GPS card and I rarely use USB/GPS storage to store some music currently.
I also do have DAB+. It works pretty well. I initially bought my head unit with a DAB+ box like this (black metal box with 8-pin proprietary connector). However this never worked and the DAB+ app did not recognize it. Then I went for a simple Joying USB DAB+ receiver like this. This worked very well. Except my antenna setup with stock amplified FM antenna and splitter did not work very well. My recommendation here: Don't waste your money on splitters and amplifiers, get yourself a decent DAB+ roof antenna, install it and you will be happy. I spent lots of time on this as I didn't want to touch my rooftop antenna. Finally I was bout to trash DAB+ as it was just no fun with the bad reception. Replacing the roof antenna changed this completely. I have mounted the Antennentechnik Bad Blankenburg (ABB) 3785.01 with FM, GPS and DAB+ including 20dB gain on DAB+ band. Since then I have very stable reception and I am happy with DAB+ and never used FM again.
There was another issue with the DAB+ application included with my head unit. Always when it was sent to the background the music playback was stuttering. So the application only works when in foreground. Very annoying. However for this there is a modded/fixed version available here.
Hmm, this looks all very complex and many issues. But I am still happy with it. The Android HU allows me to run my own software or use anything available on the play store or even develop some custom solution myself. Currently I am mainly using it for DAB+ playback as well as offline navigation using "Here WeGo" or online navigation using Google Maps.
I am still hoping for the sources to be released so we could make these units a thousand times more useful - but this might remain a dream.
thanks for the excellent info posted there much appreciated. ill probably wait a few months to see what new unit appear but i guess they will have there annoying little issues too. I mainly want mine for gps nav and music via sd or usb and dab radio. not neading bluetooth but will connect to my phone hotspot for online nav.
thanks for the info mate.
Just within the last month RK3368/PX5 units have appeared with what looks like a slightly updated version of MM (different apps), these are the units in the second link.
The 7.1.1 Marshmallow (lol) units are either Allwinner or Tegra based units but theyre not MTCD/E units.
Oreo is being worked on for MTCD/E RK3368/PX5 untis, but its not out yet.
I think the 8 core Android 7.1 units are Allwinner T8. They've been popping up in China the last few weeks
So what does this all mean with the allwinner t8 good or not . I'm lost lol.
Sent from my [device_name] using XDA-Developers Legacy app
https://www.youtube.com/watch?v=LWVPuKsdkGE
This tablet uses the same chip. I'd wait for review on a head unit since software has a lot to say on performance also, but it looks a lot faster than the old ones
jtheg said:
So what does this all mean with the allwinner t8 good or not . I'm lost lol.
Sent from my [device_name] using XDA-Developers Legacy app
Click to expand...
Click to collapse
It means that they have Allwinner processors.
It also means that theyre not MTCD/E units, so youre in the wrong forum for advice about them.
typos1 said:
It means that they have Allwinner processors.
It also means that theyre not MTCD/E units, so youre in the wrong forum for advice about them.
Click to expand...
Click to collapse
Can't say fairer than that lol
Sent from my [device_name] using XDA-Developers Legacy app
typos1 said:
It means that they have Allwinner processors.
It also means that theyre not MTCD/E units, so youre in the wrong forum for advice about them.
Click to expand...
Click to collapse
Just got this off autopimpkin
Hello,*
Thanks for contacting pumpkin customer service.
Yes, it is really 2gb, 32gb android 7.1 system, it is octo*core*.
The*CPU is Octa-core Cortex-A7* processor*
*
Looking forward for your sooner reply.
Best Regards,
Monica Autopumpkin
Sent from my [device_name] using XDA-Developers Legacy app
jtheg said:
Just got this off autopimpkin
Hello,*
Thanks for contacting pumpkin customer service.
Yes, it is really 2gb, 32gb android 7.1 system, it is octo*core*.
The*CPU is Octa-core Cortex-A7* processor*
*
Looking forward for your sooner reply.
Best Regards,
Monica Autopumpkin
Sent from my [device_name] using XDA-Developers Legacy app
Click to expand...
Click to collapse
Like most sellers, Pumpkin have very little idea of what theyre actually selling, theyve just told you the number of cores and the ARM version of the cpu, not the manufacturer.
Eonon GA2168 T8 already rooted
Got my octacore T8 32/2 with nougat 7.1.2 , love it, was no need to root as it already was .
It takes everything i throw at it, all other head units i owned i had to root and su but Igo and all my other apps who normaly need rooting just fired up
when checking with root checker it says rooted
Tried to post screenshots from CPU-Z here but to much work
Tuxnor said:
Got my octacore T8 32/2 with nougat 7.1.2 , love it, was no need to root as it already was .
It takes everything i throw at it, all other head units i owned i had to root and su but Igo and all my other apps who normaly need rooting just fired up
when checking with root checker it says rooted
Tried to post screenshots from CPU-Z here but to much work
Click to expand...
Click to collapse
Eonon are sellers only, there are no "Eonon" units, they sell units from a several different manufacturers, the MCU will tell you who makes your unit.
And youre in the wrong forum - this forum is for MTCD and MTCE units, there are no T8 MTCD/E units, try the Android Headunits General forum.
Tuxnor said:
Got my octacore T8 32/2 with nougat 7.1.2 , love it, was no need to root as it already was .
It takes everything i throw at it, all other head units i owned i had to root and su but Igo and all my other apps who normaly need rooting just fired up
when checking with root checker it says rooted
Tried to post screenshots from CPU-Z here but to much work
Click to expand...
Click to collapse
Excuse me for replying to a post in the wrong forum, but does this model support sleep?
typos1 said:
Eonon are sellers only, there are no "Eonon" units, they sell units from a several different manufacturers, the MCU will tell you who makes your unit.
And youre in the wrong forum - this forum is for MTCD and MTCE units, there are no T8 MTCD/E units, try the Android Headunits General forum.
Click to expand...
Click to collapse
Ok i now that Eonon is not a "factory" the model is a eonon GA2168 made for eonon with Eonon seal and labels on. can not find simular models from any of the other sellers,only at eonon website..
sorry did not know this was wrong thread as it started out with octacore and a lot of T8 posts.
Thanks for advice to the right forum.
Have a jolly merry christmas
Tuxnor said:
Ok i now that Eonon is not a "factory" the model is a eonon GA2168 made for eonon with Eonon seal and labels on. can not find simular models from any of the other sellers,only at eonon website..
sorry did not know this was wrong thread as it started out with octacore and a lot of T8 posts.
Thanks for advice to the right forum.
Have a jolly merry christmas
Click to expand...
Click to collapse
You use the MCU to identify your unit, using that and going through all the threads in the Android Headunits general forum should help you identify your unit.

[Q] Xtrons PB7639BP Octa-Core 64bit head unit information

Hi, thinking of buying this unit but was wondering if anyone knows anything about it? other than the info that can be found on the Xtrons website
For example can the firmware be updated? what is it based on? looks almost identical to the Eonon units to me, can it be rooted?
Thanks all
I decided to buy one anyway, here's some info from the unit,
Model number: A_MEDIA AUTO (1024x600 O)
Android Version: 6.0.1
Kernal Version: 3.10.0
MCU Version: MTCE_GS_V2.70_3
CPU: 8 core 64-bit CPU Coretes-A53 @ 1.5G
I am very pleased with it as well, excellent sound quality, any one know if it can be rooted now?
Thanks all
Ripper2018 said:
I decided to buy one anyway, here's some info from the unit,
Model number: A_MEDIA AUTO (1024x600 O)
Android Version: 6.0.1
Kernal Version: 3.10.0
MCU Version: MTCE_GS_V2.70_3
CPU: 8 core 64-bit CPU Coretes-A53 @ 1.5G
I am very pleased with it as well, excellent sound quality, any one know if it can be rooted now?
Thanks all
Click to expand...
Click to collapse
I am curious, could you share where you sourced it? I can only seem the locate the pa7739bp variant.
Thanks
Sent from my Moto G (5) Plus using Tapatalk
They are always almost identical. Differences are just the MCU-Version (which is not a important difference) and the Software-Layout.
I have the same Xtrons Unit you postet, but for E46, but there pretty the same thing except for the hardwarebuttons.
I love it, works perfect.
But there is already newer one with Android 8 out.
http://xtrons.com/bmw/bmw-e39-andro...lay-custom-fit-for-bmw-5-series-7-series.html
I heard that on new devices with android 8 often happens cpu-throttling, but I am sure that this will be fixed in the future with some MCU-Updates.
Flockrock said:
They are always almost identical. Differences are just the MCU-Version (which is not a important difference) and the Software-Layout.
I have the same Xtrons Unit you postet, but for E46, but there pretty the same thing except for the hardwarebuttons.
I love it, works perfect.
But there is already newer one with Android 8 out.
I heard that on new devices with android 8 often happens cpu-throttling, but I am sure that this will be fixed in the future with some MCU-Updates.
Click to expand...
Click to collapse
Thanks for the heads-up.
I did see that on the cpu throttling. I also seem to recall reading issues with USB (likely related to the throttling?)...this is a nonstarter for me at the moment given I am hoping to use a resler interface to maintain dsp sound...the resler is naturally usb based
Sent from my Moto G (5) Plus using Tapatalk
joof01 said:
I am curious, could you share where you sourced it? I can only seem the locate the pa7739bp variant.
Click to expand...
Click to collapse
eBay
Flockrock said:
But there is already newer one with Android 8 out.
Click to expand...
Click to collapse
That's just my luck, there was no Android 8 version even listed on the website before I bought :laugh:
I'm still happy with it, everything seems to work as it should, instant start on ignition on, would there be any benefit having Android 8?
I'm about to pick up the Octacore Android 8 Oreo version with the 4G for my M5 e39. will report back with blog updates.

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