Most modern Caska Android units can be updated directly or via USB: Connect the unit to a Wi-Fi hotspot. Go to Settings > System > System Upgrade . Check for updates and select Online Upgrade . USB Update: Format a USB drive to FAT32 .

If your unit is an older Android-based model and the official support has ended, enthusiast forums are goldmines. Users often share Google Drive or Mega.nz links to archived firmware. Always verify the "MCU" version before flashing a community-provided link to avoid bricking your unit. How to Install the Update Once You Have the Link