Devices
Each hub explains how to identify the unit, which engineering codes it accepts, where the official firmware lives, and lists every known issue we cover. Not sure which box you have? Start with Which TBox do I have?
ApplePie
- ApplePie UX999 Rocket
QCM6490 (Rocket) / QCM4490 (Rocket Q), Android 13 (QCM6490) / 13, then 14 from May 2025 (QCM4490)
ApplePie UX999 Rocket hub: QCM6490 Rocket and QCM4490 Rocket Q told apart, ApplePie Settings, microSD firmware updates, power needs and bug reports.
Carlinkit
- Carlinkit TBox Ambient
SM6225 (QCM6225) / SDM660, Android 13
Carlinkit TBox Ambient hub: tell the SM6225, SDM660 and QCM6125 versions apart, engineering codes, firmware builds, accessories and bug reports.
- Carlinkit TBox Plus
SM6125 (QCM6125) / SM6225, Android 11 / 12 (EAU only) / 13
Carlinkit TBox Plus hub: tell EM 668 from EAU 138, engineering codes, the Android 11 to 13 firmware path, accessories and how to report a bug.
- Carlinkit TBox UHD
SM6225 / SDM660, Android 13
Carlinkit TBox UHD hub: the SM6225 and SDM660 versions, HDMI out, the CarPlay/Android Auto pin switch, engineering codes, firmware and bug reports.
- Carlinkit TBox Ultra (1–4)
SM6350, Android 15
Carlinkit TBox Ultra, Ultra 2, Ultra 3 and Ultra 4 compared: case, wireless CarPlay to the car, display. Engineering codes, firmware builds, bug reports.
MGears
- MGears Mstick4
MediaTek (exact chip not published by the manufacturer)
MGears Mstick4 hub: Android Auto only, the settings that matter, the official Recovery Tool, firmware 1.6 to 1.9.4 and how to report a bug to MGears.
Ottocast
- Ottocast Picasou 3 family
QCM6125 (Snapdragon 6125 / 665 class) / QCM6225 (Snapdragon 6225, 680), Android 12 (P3, P3 Lite) / 13 (P3 Pro, Nano, i3) / 10 (Picasou 2)
Ottocast Picasou 3 family hub: P3, P3 Lite, P3 Pro, Nano and the BMW i3 compared, engineering mode code 126, firmware builds and how to report a bug.