Updating a head unit is different from updating a smartphone. It requires a manual process using a physical USB drive. Preparation
This usually means the MCU version is incompatible. You may need to update the MCU separately after the OS update. Ksw-q-userdebug Os Update
If the unit stuck on the logo, you may need to perform a "forced recovery" by holding the reset pin while booting. Updating a head unit is different from updating a smartphone
Try a different USB port or a smaller USB stick (8GB is often the "sweet spot"). Ksw-q-userdebug Os Update
⚠️ Ensure your current "System Version" starts with "Ksw". If your unit uses a different string (like "Snapdragon" or "M600"), installing a Ksw-q-userdebug file can permanently brick your device.
A prompt should appear: