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Questions tagged [automotive-head-unit]

Use this tag for general questions about Android OS on the automotive/car head unit. For Android Auto, please use or also add [android-auto] tag.

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How to enumerate a list of all possible inputs on a device?

I originally asked this question, but it never received any responses save for a few comments. I'd like to broaden my approach, and ask if there is anyway to enumerate a list of all possible inputs ...
Arctiic's user avatar
  • 861
0 votes
1 answer
166 views

Android 13 car head unit won't route phone calls or AV-IN audio to USB DAC/AMP

I have a full blown Android 13 car head unit - EX-ALS215 (Snapdragon 662). Audio is output from a 3.5mm jack socket on the unit's harness (audio-out socket). I have then connected a Cyrus Soundkey DAC/...
conanDrum's user avatar
2 votes
0 answers
119 views

Access denied on external storage: application not found

I purchased an Android car head unit (K4811) and I cannot access a USB storage device that I plug in (32 GB, FAT32 or exFAT). I think that this comes from the absence of a program allowing elevation ...
deltonio2's user avatar
  • 121
4 votes
1 answer
89 views

How can I set accessibility options on an Android ROM without them?

After buying an Android '13'† Head unit with a screen higher resolution than my previous stereo, I found that it didn't offer any options to change the font or icon size in it's accessibility options, ...
Mark Booth's user avatar
  • 1,066
2 votes
0 answers
416 views

How to enumerate all possible `adb shell input keyevent` codes for a device?

I have a damaged screen and touch digitizer on an automotive head unit. I am trying to access the diagnostics menu for the unit (Honda Clarity 2018 PHEV non-touring), but the touch input keys are not ...
Arctiic's user avatar
  • 861
0 votes
0 answers
22 views

Honda Clarity 2018 Non-Touring PHEV: how to simulate nav keys to call `systemdiag`?

I have a damaged head unit that no longer responds to touch. I've managed to get access to ADB (I have root and USB debugging was enabled), but the problem now are the touch keys along the side of ...
Arctiic's user avatar
  • 861
0 votes
0 answers
210 views

Getting Android Auto on car head unit running Android 4.4.2

I got a 2018 car recently (Suzuki SX4) and it's got Android 4.4.2 with no Android Auto installed. When plugging into the right USB port in the car (and enabling debug USB mode on my phone, OnePlus) it ...
tiddles's user avatar
0 votes
0 answers
209 views

Is it possible to reboot Android Automotive OS to fastboot/recovery using physical keyboard?

I have a media-system module occasionally locked in OTA mode. It does not respond on any buttons pressed or screens tapped - but it still works: adb port works (but there is no trusted connection so I ...
user avatar
1 vote
0 answers
113 views

Can I change the default media player on Pumpkin Android 11 radio?

I have a USB disk with MP3 music connected. Everytime when the Pumpkin radio has booted, it recognizes the USB disk and starts the preinstalled media player automatically, which starts playing the ...
Schoell's user avatar
  • 11
1 vote
0 answers
402 views

Android static IP ethernet on head unit

I need to set static IP on an Android 10 head unit where there is no ethernet settings page enabled so I couldn't set it by the touch panel. I try to set the address with adb command (adb root) and I ...
B. Meir's user avatar
  • 11
0 votes
0 answers
499 views

How can I install SuperSu on a pre-rooted Android head unit?

I am working on a pre-rooted Android head unit. I can do "adb root" or "adb shell su" using wifi adb. So there is root access and Su binary on the device. But I can't use root ...
Onur Eser's user avatar
1 vote
1 answer
632 views

Android head unit stuck due to enabling "simulate secondary display"

Got an Android head unit with no physical buttons (has 1 tiny reset hole only). I was playing around with developer settings and enabled Simulate Secondary Displays with 4K option. Unfortunately this ...
BYS2's user avatar
  • 111
1 vote
0 answers
2k views

How to install an custom ROM for android car head unit?

I'm trying to install a custom rom on my Lenovo D1 head unit but since it doesn't have physical buttons i'm struggling to get my device in to recovery mode. The reason I'm trying this is my device is ...
Pol Santha's user avatar
1 vote
1 answer
208 views

Start/Stop Music playing when power is supplied via the USB cable

I'd like to use an old(er) Android phone as a Music Player left always connected in my car. I have an ignition controlled USB socket in the car, and would also connect the 3.5mm jack to the Aux In of ...
Whisty's user avatar
  • 11
2 votes
0 answers
626 views

Magisk to set orientation - Android Head Unit

On Android head units, the orientation typically defaults to landscape. And has disabled auto-rotation, the screen will always remain in a landscape mode. This effectively means you can't use any ...
Red Sector's user avatar
0 votes
1 answer
2k views

Android 10 on car doesn't have a sleep mode option

I got a head unit in my car that runs android 10. I'm kind of disappoint with this unit, and the most annoying thing is the loading time at boot, since I need to go reverse and need to wait for the ...
Shir Gans's user avatar
4 votes
1 answer
1k views

Making a call Google Assistant by saying "Call Mom & Dad" shows "App is not installed."

I have an Android Head unit in my car running Android 8.1 It has Google Assistant and almost all of the voice commands I've tried work normally except for making calls with the command "call Mom ...
Sikorsky's user avatar
  • 136
1 vote
0 answers
425 views

How to force android to use Bluetooth for telephony? (if bluetooth is connected)

I have some problems with Android telephony in my car. I connect my android phone over bluetooth with the car (the radio has a build-in telephone function). Since the car does not support bluetooth ...
virtualmarc's user avatar
3 votes
2 answers
3k views

Android plugged into car gives annoying popup "The connected device is unable to access data on this device."

Every time that I connect via USB my not-rooted Galaxy S6 (SM-G920F with stock Android 7.0) to my car (a Kia Soul 2015), this popup annoys me: "The connected device is unable to access data on this ...
tog22's user avatar
  • 133
1 vote
1 answer
955 views

How to call or dial from my head unit through Bluetooth?

I just upgraded my head unit to Woodman Big B on Android 8.1. I'm not finding a good way to dial out someone from the head unit. I am connected to my mobile through Bluetooth. How to call or dial from ...
Kangkan's user avatar
  • 111
2 votes
4 answers
3k views

Why is Google Play Music the only app that produces a "Browse" button on my car stereo?

If I connect my phone via Bluetooth to my car (2016 Toyota Corolla), and then play music using the Google Play Music app, the car shows a Browse button, which allows me to navigate through artists and ...
endolith's user avatar
  • 3,035
0 votes
1 answer
2k views

Playing music over Bluetooth in Android car unit that only accepts Bluetooth phone call

I have Android car unit on Peugeot 307 SW (2007). It has Bluetooth, but it's only for making calls. I want to play music on it, and I don't want to buy any adapters. Google Maps can tell the ...
Sieras's user avatar
  • 1