or disconnect the USB drive during the update process, as this can (permanently damage) the unit. Verify compatibility
Finding the exact 2021 firmware for a K2001N unit requires matching your specific build number (e.g., K2001N_NWD_Sxxxxxx K2001N_LGDZ_Sxxxxxx Official Support : Some brands, such as Orca Car Audio
: Updating the system or specific apps like TLink 5 or ZLINK often fixes connectivity interruptions. How To Update Your Android Head Unit + Apps