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Rooting a Pioneer AVIC head device and replacing the OS

Hello people
Last year (2019) I purchased a Pioneer AVIC-Z710DAB head unit for my car. After realizing that the maps on the GPS are very old and awfully expensive to update, I really want to root the device and install an Android- or Linux based custom rom. Obviously I do not want to install a custom rom that does not provide equal functionality to the Pioneer system, but I don't want to keep the Pioneer system any longer as the GPS functionality is useless with old maps and the also old available updated maps are $150. I realize that the rooting and installation of a new system will require some time / work, but this does not matter a long as it's possible to do it!
Does anyone know if there is such a thing as custom roms that support functionality such as Bluetooth mobile devices, GPS, DVD / CD / MP3 discs, DAB+ and rear view camera etc?
Where can I find this rom and installation instructions? I have searched online for hours, but so far I have only found one page containing broken links.
As I am a new member on this forum, I cannot share this link in this post. But the page title is "The AVIC development MOD", from around 2016 and all links are broken / not working.
Any information is highly appreciated!
Best regards,
The norwegian guy

You won´t find anything...
Custom ROM will not be shared in here. There is no community for it.
Nearly all Pioneer head units have a proprietary OS. It seems to be android based.
May be this helps: http://bestandroidtoroot.com/post/pioneer-car-navigation-avic-z710dab-jupiter

rigattoni said:
You won´t find anything...
Custom ROM will not be shared in here. There is no community for it.
Nearly all Pioneer head units have a proprietary OS. It seems to be android based.
May be this helps: Link
Click to expand...
Click to collapse
rigattoni said:
Thank you for your reply :laugh: I'll certainly consider trying this one! Perfect!
Click to expand...
Click to collapse

Hello. Still have not tried the link I was given by rigattoni, but I was wondering if anyone has any update on this?
I am now considering to buy a new head unit with Android OS. but this seems like a risk. Most of the ones I have seen are to me previously unknown Chinese brands and I do not trust any Pioneer head units with Android OS to work with Google maps and/or Waze amongst other apps!
- Is there any way to replace the OS of a Pioneer unit with Android OS with working standard Android apps and Google Play?
- If not; Are the Chinese head units with Android OS any good? Example brands are Erisin and Eonon, which seem to come with Android 10.
Thank you in advance!

Hi, have y'all seen this info/forum yet? It refers to information regarding development for the Pioneer head unit(s) OP was asking about. Edit: Going back over, I see OP specifically mentions this forum. Well thank you
The AVIC Development Mod
Introduction WhatIsBypass, AdamOutler and myself presentThe AVIC Development ModWe have eliminated the barriers to development on all AVIC units including Android Auto. You can now create your own ROM on an SDCard and boot directly into it. Weve broken all the security and obfuscations, and weve ...
avic411.com

Root for TS9 Head Unit with Android 10.0

Hey all,
New member here. Recently purchased a Chinese Android head unit designed specifically for my 4Runner. I'm not an Android user, but I have just become introduced with the concept of "rooting." My understanding is it is similar to jail breaking an Apple device, which I have done before. I've heard of and seen others do it with other head units running various versions of the Android operating system. However, I am not familiar with the concept of rooting or the process of it. I just know it will unlock a whole new range of possibilities for the unit, with the possibility of making mistakes that could render it unusable.
I was wondering if anyone who has experience with this type of thing can walk me through the process? Or what types of things I can do after its done? Please keep in mind I have no idea what I'm doing. Below are some more details.
Operating System Android: 10
Processors: CPU - T9 Octa-Core Intel IA 1.872GHz, GPU - Dual-core ARM Mali T820
Storage - 64GB
Memory - 4G
Screen: Display - LCD Multi-Touch display with IPS, Resolution - 1024x600
Connectivity - Bluetooth, WiFi, MirrorLink
Thanks in advance! :good:

Running the same setup. I've looked through XDA and haven't found many others actually using these units let alone successfully rooting them. Seems like its hard to find updated MCUs for these as well. The version I'm running is relatively recent(05/2020) and it's trash. I'll most likely just continue to use headunit reloaded rather than worrying about rooting.
What were you looking to achieve with a root? Are you missing some functionality or looking to add something new?

bc8907 said:
Running the same setup. I've looked through XDA and haven't found many others actually using these units let alone successfully rooting them. Seems like its hard to find updated MCUs for these as well. The version I'm running is relatively recent(05/2020) and it's trash. I'll most likely just continue to use headunit reloaded rather than worrying about rooting.
What were you looking to achieve with a root? Are you missing some functionality or looking to add something new?
Click to expand...
Click to collapse
Not missing any functionality besides the main issues everyone has with it (CarPlay wireless sucks, and I know rooting would not solve this). I suppose the only really annoying thing is that when I start the car, it loads the default launcher instead of the one I installed, Agama, despite my having set Agama as the "home app."
The only thing I really want to do with a root is be able to have a custom UI that is much more functional and attractive. Agama is okay, but I don't truly like any of the head unit launcher apps on the Google Play store and I figure with a root I'll be able to install a custom ROM or something that will be more attractive. Ideally, I want it to look sleek and modern like the xtron unit UI (can't post the link because I'm a new user)

Gatnos said:
Not missing any functionality besides the main issues everyone has with it (CarPlay wireless sucks, and I know rooting would not solve this). I suppose the only really annoying thing is that when I start the car, it loads the default launcher instead of the one I installed, Agama, despite my having set Agama as the "home app."
The only thing I really want to do with a root is be able to have a custom UI that is much more functional and attractive. Agama is okay, but I don't truly like any of the head unit launcher apps on the Google Play store and I figure with a root I'll be able to install a custom ROM or something that will be more attractive. Ideally, I want it to look sleek and modern like the xtron unit UI (can't post the link because I'm a new user)
Click to expand...
Click to collapse
Did you give Agama system modification privileges when you set it as the home launcher? I haven't had any problems with my launcher, but you might have a different MCU. Might help if you share your MCU version. Is CarPlay native with your ROM or are you using an app/emulator for this? I know with emulators like Headunit Reloaded, a separate app for launching wireless is necessary and fixes these issues.
Honestly, given that you're new to Android and the issues you're describing, rooting probably wouldn't help you out unless you already had a ROM that you knew would work with your system and solve these issues. Since it's difficult to even find anyone that's successfully rooted this MCU, the odds of finding a ROM that works with it(let alone one that you like) is pretty minimal. Your issues sound like they can be addressed from the app side anyway.
I'd suggest looking through the launchers on here if you don't like Agama anyway. There's quite a few with a lot of complete customizability. And your wireless mirroring should be able to fixed with a bit more info.

bc8907 said:
Did you give Agama system modification privileges when you set it as the home launcher? I haven't had any problems with my launcher, but you might have a different MCU. Might help if you share your MCU version. Is CarPlay native with your ROM or are you using an app/emulator for this? I know with emulators like Headunit Reloaded, a separate app for launching wireless is necessary and fixes these issues.
Honestly, given that you're new to Android and the issues you're describing, rooting probably wouldn't help you out unless you already had a ROM that you knew would work with your system and solve these issues. Since it's difficult to even find anyone that's successfully rooted this MCU, the odds of finding a ROM that works with it(let alone one that you like) is pretty minimal. Your issues sound like they can be addressed from the app side anyway.
I'd suggest looking through the launchers on here if you don't like Agama anyway. There's quite a few with a lot of complete customizability. And your wireless mirroring should be able to fixed with a bit more info.
Click to expand...
Click to collapse
MCU version: Ts9.4.3-3-63-30-C06681-190618
Not sure if that is what you were asking for. CarPlay is through a program called TLink that came installed on the unit. I suppose I would be more happy with the unit if the launcher did its job - launched, when I started the car. Modification permissions are on. Someone in another forum mentioned changing some autostart settings, in autokit.apk, that would allow me to start the correct launcher or carplay when I start the car. I would be happy with either option really.

Gatnos said:
MCU version: Ts9.4.3-3-63-30-C06681-190618
Not sure if that is what you were asking for. CarPlay is through a program called TLink that came installed on the unit. I suppose I would be more happy with the unit if the launcher did its job - launched, when I started the car. Modification permissions are on. Someone in another forum mentioned changing some autostart settings, in autokit.apk, that would allow me to start the correct launcher or carplay when I start the car. I would be happy with either option really.
Click to expand...
Click to collapse
Yes that's what I was referring to. TLink is just a crappy mirroring app. This is most likely where your problem is with the connection, not the headunit or the ROM. I'm assuming you're using Apple since you're referring to Carplay and not AA. If so, I don't have any specific recommendations but I would imagine there's better emulators/mirroring apps out there that will function reliably. I'd look into that rather than trying to make TLink work like it should. If you want a reference of an Android Auto example, look at headunit reloaded. This app emulates a native Android Auto connection so you're able to have wifi auto connects, usb auto connects and full AA function on a generic android headunit without any type of dongle. I would imagine there's something similar out there for Apple Carplay.
Your MCU is out of date, I'd try to get the update from my seller for you but I'm actually in the process of returning mine due to a display defect(most likely shipping damage). If it wasn't for this, however, I would have had no issues on the stock ROM.

which TLINK app version do you have? TLINK is actually ZLINK (modified). I can offer you version 3.7.5. Runs a lot better than other versions.

Hi there,
Gatnos said:
Hey all,
New member here. Recently purchased a Chinese Android head unit designed specifically for my 4Runner. I'm not an Android user, but I have just become introduced with the concept of "rooting." My understanding is it is similar to jail breaking an Apple device, which I have done before. I've heard of and seen others do it with other head units running various versions of the Android operating system. However, I am not familiar with the concept of rooting or the process of it. I just know it will unlock a whole new range of possibilities for the unit, with the possibility of making mistakes that could render it unusable.
I was wondering if anyone who has experience with this type of thing can walk me through the process? Or what types of things I can do after its done? Please keep in mind I have no idea what I'm doing. Below are some more details.
Operating System Android: 10
Processors: CPU - T9 Octa-Core Intel IA 1.872GHz, GPU - Dual-core ARM Mali T820
Storage - 64GB
Memory - 4G
Screen: Display - LCD Multi-Touch display with IPS, Resolution - 1024x600
Connectivity - Bluetooth, WiFi, MirrorLink
Thanks in advance! :good:
Click to expand...
Click to collapse
here the how to root it, go to that sise://xethongminh.net/threads/huong-dan-root-dau-android-ownice-c960.3115/ hope it work for you.

comt said:
which TLINK app version do you have? TLINK is actually ZLINK (modified). I can offer you version 3.7.5. Runs a lot better than other versions.
Click to expand...
Click to collapse
@comt - 2 questions about TLINK 3.7.5 (I have it also):
Have you been able to get the steering wheel buttons to work with CarPlay apps? I want the voice button on the steering wheel to activate Siri. Right now, it is only mapped to TLINK which starts the TLINK app...
Have you been able to get it working in wired mode? For me, even though the headunit recognizes when I attached the phone via USB, I can never get CarPlay to work wired.
thanks!

I am interested in Tlink 3.7.5, I currently have version 1.1 I believe on my headunit and im getting lag, Echo during calls etc I dont know why my headunit has such an old version

Has anyone figured out how to train the steering wheel buttons in the TLink app to work with CarPlay? As long as CarPlay isn't active, there is a menu to set them, but no matter what I do, I can't train it - I wonder if I'm doing something wrong. My steering wheel buttons work fine with the default Android OS.

comt said:
which TLINK app version do you have? TLINK is actually ZLINK (modified). I can offer you version 3.7.5. Runs a lot better than other versions.
Click to expand...
Click to collapse
Did you have to reactivate Tlink?
My head unit came with an old version of tlink that would never connect to my phone. I received a firmware "update" from the seller to address the issue which which caused a tlink error. I recently installed Tlink 3.7.5, no error but needs activation.
TS9 (Spreadtrum SC9853I)

Android Radio 8227L: Wi-Fi keeps disconnecting

Ever since I bought this head unit I cannot connect to a wi-fi and maintain in for more than 1-2 minutes. Also, the speed is too slow.
Before you ask, the wi-fi signal is strong, as even if I use my phone hotspot and position it right to the head unit it will disconnect after some minutes.
Please find the head unit specs attached.
Thank you for you help!

try asking the vendor to give you a firmware file/flash a new firmware. if theres no solution you might have to return it. maybe you can use usb tethering from your phone (if its android) to your head unit? it would eliminate speed problems and would be reliable, but it would still be nice to have working wifi.

PhotonIce said:
try asking the vendor to give you a firmware file/flash a new firmware. if theres no solution you might have to return it. maybe you can use usb tethering from your phone (if its android) to your head unit? it would eliminate speed problems and would be reliable, but it would still be nice to have working wifi.
Click to expand...
Click to collapse
I have exact this build number on my device... He must ask his seller to provide him a link to download update.
TSKJ.xxxxx are know to have bugs and it is not stable.
Best replacment is firmware by build number CHS.xxxx (ALPS device) or XRC.xxxx (XTRONS device - but works on other 8227L chipsets - tested)

i have an alps one, all works well. never tried an xtrons unit though. you can never really tell what your getting, as they all look the same up front. what i do know, is that the alps rom is really nice.

PhotonIce said:
i have an alps one, all works well. never tried an xtrons unit though. you can never really tell what your getting, as they all look the same up front. what i do know, is that the alps rom is really nice.
Click to expand...
Click to collapse
XTRONS UI is nice and fluent. I tried it and test it, it's better than CHS 8227L UI3 interface, one and only flaw is that sometimes when radio stations set are lost at next bootup.

Just went out today, needed another android system for a friend's car, went there and got the standard 8227l (2/16gb), though this one had a different type of firmware. It had customisable themes, and was runnign android 11. It also has picture in picture support for google maps, which i found to be a great feature. Not sure which ROM it is (as it isnt written), but the firmware was pretty nice, other than the fact that it does not have an "Apps" tab in th settings app, and there is seemingly no way to get developer options. Either way, first time I've seen android 11 on one of these head units (previous ones claimed to use android 10 but were actually running android 6+), and I have to admit that it was a great experience for the end user, as long as your not into rooting etc.

Look for this 8227L_8乐佳UI03-国外10_v63_20210726.zip

Hardware for Alps ff-5000

I purchased a Mazda that has a Eonon in it. Which from what I can tell is a rebranded Alps FF-5000. But is only has the bare minimum to work connected to it. It there anyway I can get the wires for the USB ports and the backup camera and I want Android Auto too. Is there anyway to just get the parts or is my best option just to upgrade from Android 10 and just buy the entire new Android 11 unit?

First be aware that the Android version on the FF5000 will be 8.1 or 9 at best, the Chinese have modified the properties file to display a fake Android version number, this will apply to many of the new units too. Download 'Fake Device Test' from the play store and see what you actually have.
Many of the vendors have the cord sets available as a spare part but you may need to ask as they may not have them listed on their sale sites.
Despite what one certain member here says, I think the FF5000 is a reasonably capable unit but the various software apps let them down. Alps is the parent company of the well-known Alpine car audio, they've been around for a very long time.
Why do you want Android Auto? Why not run the apps directly on the head unit and put your phone away?

Mr.TT_NZ said:
First be aware that the Android version on the FF5000 will be 8.1 or 9 at best, the Chinese have modified the properties file to display a fake Android version number, this will apply to many of the new units too. Download 'Fake Device Test' from the play store and see what you actually have.
Many of the vendors have the cord sets available as a spare part but you may need to ask as they may not have them listed on their sale sites.
Despite what one certain member here says, I think the FF5000 is a reasonably capable unit but the various software apps let them down. Alps is the parent company of the well-known Alpine car audio, they've been around for a very long time.
Why do you want Android Auto? Why not run the apps directly on the head unit and put your phone away?
Click to expand...
Click to collapse
The current radio I have is crazy slow when running off my hotspot on my phone and I have problems with apps force closing after running a while. The whole thing is just laggy in general on the android side. I end up just bluetoothing my music to it anyway most the time. I put a wireless Android Auto radio in my other car and love it but I also really like being able to run android natively on the unit is why I was thinking about upgrading to the newest unit that claims to run android 11. Even if it doesn't actually run Android 11 it has a better chipset and I was hoping that would fix my lag issue, slow wifi connection, and force closing. Plus wireless Android Auto would just be a added bonus.

Help in identifying my Android Head Unit

Hi All, first post,
1. I did a search on google and XDA for key info I obtained from the unit, no luck.
2. The unit resembles this unit - but mine is 10.1 Inch but the interface and apps are basically identical to this unit.
- https://www.alibaba.com/product-detail/TS18-9inch-4G-2din-Car-Radio_1600324427529.html
3. Also, unit is Android 10, which is quite old, if upgradeable, would it make a difference to the look and feel?
I tried using the supplier / installer but he is not forthcoming with info, not sure why so hoping someone can point me in the direction, the unit has a mold that fits my Toyota Rav4 2017.
The goal is, to find out how to update the bluetooth / phone app (it sucks) as a starting point.
finally, here are some pics of the unit pre-install and hardware info in settings.
Thanks in advance

joumasepoes said:
Hi All, first post,
1. I did a search on google and XDA for key info I obtained from the unit, no luck.
2. The unit resembles this unit - but mine is 10.1 Inch but the interface and apps are basically identical to this unit.
- https://www.alibaba.com/product-detail/TS18-9inch-4G-2din-Car-Radio_1600324427529.html
3. Also, unit is Android 10, which is quite old, if upgradeable, would it make a difference to the look and feel?
I tried using the supplier / installer but he is not forthcoming with info, not sure why so hoping someone can point me in the direction, the unit has a mold that fits my Toyota Rav4 2017.
The goal is, to find out how to update the bluetooth / phone app (it sucks) as a starting point.
finally, here are some pics of the unit pre-install and hardware info in settings.
Thanks in advance
Click to expand...
Click to collapse
Well... don´t even think that you would be able to upgrade Android to a newer one. It´s already the current actual Android version.
You really should blame the vendor that BT is a mess. That is nothing the forum can help with. Your MCU is special for Toyota and you won´t find a matching update for your special unit.
Go back to the seller and ask for an update otherwise you open a dispute on Alibaba. This is the one and only way to get them start working.
Sorry, but these special units with this MCU, that is not easy going.

rigattoni said:
Well... don´t even think that you would be able to upgrade Android to a newer one. It´s already the current actual Android version.
You really should blame the vendor that BT is a mess. That is nothing the forum can help with. Your MCU is special for Toyota and you won´t find a matching update for your special unit.
Go back to the seller and ask for an update otherwise you open a dispute on Alibaba. This is the one and only way to get them start working.
Sorry, but these special units with this MCU, that is not easy going.
Click to expand...
Click to collapse
Thanks Rigattoni,
this explains why I couldn't find anything really while searching a few hours yesterday.
Thanks for the info!!