Reference
Lookup pages: the codes you type into engineering menus, the ADB commands the fixes use, firmware dates and what changed, and the words that come up in every thread.
ADB commands for Carlinkit TBox and Ottocast AI boxes: connect by USB or Wi-Fi, fix the exclamation mark, disable bloat, save logs. Undo for each.
Every factory-settings code owners use on Carlinkit TBox, Ownice and Ottocast AI boxes: what each opens, what you can change, risk and how to undo it.
Firmware builds for Carlinkit TBox, Ottocast Picasou, MGears Mstick4 and UX999 Rocket by date, with the fixes and regressions owners reported.
Plain-English definitions of the terms in every AI box thread: CP/AA protocol, head unit, Y-cable, FOTA, EDL, QFIL, firehose, EM/EAU, verity, Magisk, DHU.
What to collect before contacting support (model, firmware date, car, head unit, video, logs) and where Carlinkit, Ottocast and MGears take bug reports.
Identify your Carlinkit TBox (V3, Mini, Plus EM / EAU, Ambient, UHD, Ultra 1–4) from Settings → About, the case and the lights, with a 4-question wizard.