[Android Head-Units] lechy:
Hello People/[mention]****-jones[/mention]

I have been trying to register on 4PDA but have had no luck. But I noticed you have been a very informational source and have lot's of experience with Android head units. I'm looking for confirmation or advice for which stock boot.img I need for modifying.

My head unit system is reporting and further below is some random stuff I've picked up/found:

I've lost my job recently and have had spare time to try and set my unit up before it is installed in my car. So I've been trying to get "root" and have ended up learning loads! I think I've found new passwords etc.. and also I couldn't enable "USB debugging" with the john@tw-desktop password. But I've found the right one and to my disappointment I still can't get ADB access so I can explore and get root as the development options are still hidden or restricted. So I've come to you or anyone else please..

Information I found(so far), if you or anyone else could help if possible - I was surprised to find the file names needed as well to update but I have no access to the stock boot.img to patch with Magisk. I've look through here and 4PDA and just not confident in what once I could test with. Also, I've been trying to create a TWRP image.. but that is work in progress(only because I can't find anything). If I am wrong please let me know.. Thank you very much! Below is just snippets of information I found after dissembling settings.apk which was in an accessible folder on my device.

For the above unit in the pictures from this, I believe would be the some of the files I need to try and modify or use to flash.

Settings/smali/com/android/settings/AutoSettings$3.smali:56: const-string/jumbo v0, "50924514-cad7-11e8-bad6-4b580bf5a3e3"
Settings/smali/com/android/settings/AutoSettings$3.smali:65: const-string/jumbo v0, "51eb6df0-cad7-11e8-bf31-afdca4ac0826"
Settings/smali/com/android/settings/AutoSettings$3.smali:75: const-string/jumbo v0, "52c7b3fa-cad7-11e8-8188-57adc8d05072.0"
Settings/smali/com/android/settings/AutoSettings$3.smali:85: const-string/jumbo v0, "52c7b3fa-cad7-11e8-8188-57adc8d05072.1"
Settings/smali/com/android/settings/AutoSettings$3.smali:95: const-string/jumbo v0, "52c7b3fa-cad7-11e8-8188-57adc8d05072.2"
Settings/smali/com/android/settings/AutoSettings$3.smali:105: const-string/jumbo v0, "53adbfc6-cad7-11e8-8aa7-7bc0c0ab3341"
Settings/smali/com/android/settings/AutoSettings$3.smali:115: const-string/jumbo v0, "54e87a2a-cad7-11e8-94ca-3f47923cd20f"
Settings/smali/com/android/settings/AutoSettings$3.smali:125: const-string/jumbo v0, "55bbbee4-cad7-11e8-b6fc-0b42902a4160"
Settings/smali/com/android/settings/AutoSettings$5$1.smali:167: const-string/jumbo v3, "xcheck /data/tw/metadata/52c7b3fa-cad7-11e8-8188-57adc8d05072"

I really wanted to share on 4PDA as well as it seems more active for these units.

Feel free to try any codes anyone if you are getting stuck with something, I only picked these out as they do look obvious)i notice some are quite popular to use.

Before I forget: I found that my "USB Debugging" password was "john@tw-desktopt3" not just "john@tw-desktop" - without quotes.

456789

668811
668822
668833
87654321
333111
8888
135790
2468
110601
33603360
126
00000000
12345678
Lcom/android/settings/TWSetting;

Utils.smali

const-string/jumbo v0, "KED8-0618"

invoke-static {}, Lcom/android/settings/Utils;->getSystemVersion()Ljava/lang/String;

880618

/AutoSettings$3.smali:105: const-string/jumbo v0, "53adbfc6-cad7-11e8-8aa7-7bc0c0ab3341"

0, "enable_adb"
Settings/smali/com/android/settings/AutoSettings$3.smali:105: const-string/jumbo v0, "53adbfc6-cad7-11e8-8aa7-7bc0c0ab3341"
chri@zorin-os:~/Desktop$ grep -rnisI "cad7" Settings/*
Settings/smali/com/android/settings/AutoSettings$3.smali:56: const-string/jumbo v0, "50924514-cad7-11e8-bad6-4b580bf5a3e3"
Settings/smali/com/android/settings/AutoSettings$3.smali:65: const-string/jumbo v0, "51eb6df0-cad7-11e8-bf31-afdca4ac0826"
Settings/smali/com/android/settings/AutoSettings$3.smali:75: const-string/jumbo v0, "52c7b3fa-cad7-11e8-8188-57adc8d05072.0"
Settings/smali/com/android/settings/AutoSettings$3.smali:85: const-string/jumbo v0, "52c7b3fa-cad7-11e8-8188-57adc8d05072.1"
Settings/smali/com/android/settings/AutoSettings$3.smali:95: const-string/jumbo v0, "52c7b3fa-cad7-11e8-8188-57adc8d05072.2"
Settings/smali/com/android/settings/AutoSettings$3.smali:105: const-string/jumbo v0, "53adbfc6-cad7-11e8-8aa7-7bc0c0ab3341"
Settings/smali/com/android/settings/AutoSettings$3.smali:115: const-string/jumbo v0, "54e87a2a-cad7-11e8-94ca-3f47923cd20f"
Settings/smali/com/android/settings/AutoSettings$3.smali:125: const-string/jumbo v0, "55bbbee4-cad7-11e8-b6fc-0b42902a4160"
Settings/smali/com/android/settings/AutoSettings$5$1.smali:167: const-string/jumbo v3, "xcheck /data/tw/metadata/52c7b3fa-cad7-11e8-8188-57adc8d05072"

const-string/jumbo v6, "device"

const/4 v7, 0x0

aput-object v6, v5, v7

const-string/jumbo v6, "host"

const/4 v7, 0x1

aput-object v6, v5, v7

const-string/jumbo v6, "null"