Joying 2Din Head Unit Universal Android Car Radio StereoMultimedia Player

Rooten

https://hvdwolf.github.io/Joying-RootAssistant/

https://forum.xda-developers.com/android-auto/android-head-units/how-to-root-joying-devices-t3614933

Alternatieve firmware

https://forum.xda-developers.com/android-auto/mtcd-software-development/rom-malaysk-roms-mtcd-device-t3598908

https://forum.xda-developers.com/android-auto/mtcd-software-development/rom-malaysk-roms-px5-2-4-gb-8-0-android-t3762724

Passwords

Factory reset: 3368

If the SKU of your unit is JY-UO135N4PX5,JY-UO128N4PX5,JY-UO138N4PX5,JY-UO134N4PX5,JY-UOS03N4PX5,JY-UOS01N4PX5,JY-UOS02N4PX5,JY-UO135N2PX5 You need to use below passwords: Password for factory setting : 126 Password for logo setting:0000 Password for changing UI:8086

If the SKU of your unit like JY-UO135P2/JY-UO135P4,JY-UOS03P2/JY-S03P4 You need to use below password: Password for factory setting : 3368 Password for logo setting:0000 Password for changing UI:8086

Aansluiten 3G dongle

https://www.xda-developers.com/connect-any-3g-dongle-to-any-android-tablet/

https://forum.xda-developers.com/showthread.php?t=2172914