Here4 not recognizing in mission planner

Hello, I have just bought a here4 , i updated its firmware to flight controller and did a flight, but now i want to move back to update the firmware of here4 insted of gps, i am not able to upload the firmware through CANCls direct, i have uploaded the boot loader through swd on adress 0x08000000 but didnt fixed the issue, even uploaded the firmware.bin file to adress 0x08010000 but having same issue, could you please hep me to sort out that.
the only node on slcan direct i can see is org.missionplanner

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