The USB ports on some ALPS D02022HA16 units are data‑only and do not supply sufficient current for charging or powering peripherals.
: Insert the drive into the primary 4-pin or 6-pin USB tail wire of the head unit. Navigate to Settings > System Info > Local Upgrade , or cold-boot the device with the flash drive inserted to trigger automatic recovery installation. alps d02022ha16
The Ultimate Guide to Alps D02022HA16 Android Head Units: Firmware, Features, and Troubleshooting The USB ports on some ALPS D02022HA16 units