If you updrade your Lite Radio2SE or Lite Radio3 to ELRS3.0, please kindly download the attached
firmware and CLI of 15A FC which are used for Cetus X BF ELRS Version.
Basic firmware: BETAFPV4SX1280 4.4.0
No need to flash configuration firmware (including CLI configuration)
CLI for quadcopter (Do not need to be flashed separately):