My installation failed too. (i have Android 9 installed) enabled developer mode enabled USB debugging connected to PC rebooted to FASTBOOT screen started UBports (in Ubuntu linux) And this error message occured: Error: fastboot:format: Error: formatting failed: Error: {"error":{"code":1,"cmd":"fastboot format system"},"stderr":"FAILED (Status read failed (No such device))\nfastboot: error: Command failed"} What happened here?