The is a firmware package for high-performance, Qualcomm-powered Android head units. The "userdebug" tag is a positive sign for advanced users looking for root access and system-level control. However, because these units are sold under many different brand names, compatibility is the single biggest risk. Always verify the source of the update matches your specific hardware revision.
Fix: The update may have reset your screen resolution profile. Go into Factory Settings, look for "Car Display" or "UI Configuration," and cycle through the resolution profiles until you find the option that matches your factory screen size (e.g., 10.25-inch or 12.3-inch). Ksw-q-userdebug Os Update
The update file must be named exactly Ksw-Q-Userdebug_OS_vX.X.X-ota.zip (do not unzip the file). The Update Process Copy the zip file to the root directory of the USB drive. Always verify the source of the update matches
: Use a high-quality USB 2.0 or 3.0 flash drive (max 32GB recommended) formatted to : Updating with the "factory reset" method will delete all user data and installed apps. GitHub Pages documentation Standard Update Method (Safe) Download the OTA zip : Locate the Ksw-Q-Userdebug_OS_vX.X.X-ota.zip Prepare USB : Copy the file to the of your USB drive. Do not unzip it. Insert & Detect The update file must be named exactly Ksw-Q-Userdebug_OS_vX
If the unit stuck on the logo, you may need to perform a "forced recovery" by holding the reset pin while booting.
or ensure it has a steady power supply (do not turn off the engine during the update!). Plug the USB drive into the unit’s primary USB port.