Firmware (OS) is different from MCU (Hardware control). Only update the MCU if you have specific hardware issues like a flickering backup camera. Which car model is the unit installed in?
The is a specific firmware release for Android head units—the aftermarket "infotainment" screens often used to upgrade older BMW, Audi, and Mercedes-Benz vehicles. Ksw-q-userdebug Os Update
Not all "Ksw-q" units are identical. Resellers often tweak the hardware (screen resolution, amplifier chips, CAN-bus boards). Flashing an OS update intended for a specific reseller (e.g., Teyes) onto a generic Klyde unit can result in a "brick" (device won't boot) or loss of critical functions (no sound, no steering wheel control). Firmware (OS) is different from MCU (Hardware control)