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and another supporting file—directly in the root of the USB drive with no other files present. The Upgrade Ritual

Verify that your USB drive is formatted to FAT32. Ensure the upgrade files are located in the main directory (root) of the drive and not buried inside a folder. 8227l Android 10 Firmware Download --BEST

: If the system does not auto-detect, completely power off the unit for 40 seconds. Turn the car key to ACC, and rapidly tap the touch screen continuously until a "Detected Update" prompt or recovery screen triggers. and another supporting file—directly in the root of

Plug the USB drive into the primary USB port of the head unit (usually labeled USB 1 or OTG). Trigger the Update: Go to Settings > System Settings > System Update . Select USB Update or Local Upgrade . : If the system does not auto-detect, completely