Pixhawk 248 Firmware [extra Quality] Page

: After flashing, a full sensor and radio calibration is mandatory before flight. RadioLink-Official Website Technical Documentation & Papers PIXHAWK Upgrade Firmware - RadioLink

Some "budget" 2.4.8 boards may arrive with an outdated bootloader. If the GCS fails to detect the board, you may need to update the bootloader using an SD card or a specialized debugger. Memory Limits: pixhawk 248 firmware

Tell the firmware if you are a Quad, Hexa, or Y6. : After flashing, a full sensor and radio

It has a massive community and the most "user-friendly" features like Smart RTL (Return to Launch) and AutoTune, which helps the drone calibrate its own flight PID settings. : After flashing

Check your prop and motor balance. Use INS_LOG_BAT_OPT = 1 to log vibration data. Optimal: Vibe<3 on all axes.