CLI for Meteor75 Pro O4 (2026)

Corresponding FC for Meteor75 Pro O4 Brushless Whoop Quadcopter: Matrix 1S 3IN1 HD Brushless Flight Controller.

Basic firmware: Betaflight_4.5.3_BETAFPVG473

Receiver firmware version: ELRS 2.4G V3.5.3

ESC firmware version: Bluejay A_X_5_96KHz_ V0.19.2

Note:

It is recommended to use BETAFLIGHT version 10.10.0 parameter adjustment software.
This flight controller is specifically developed for the HD version and doesn't have the analog OSD (On-Screen Display) function.
It is strongly recommended that users avoid operating the drone at voltages below 3.4V to ensure flight safety and extend the service life of the equipment.
This firmware update is for switching from an ICM42688 gyroscope to a BMI270 gyroscope, released in December.
Please carefully identify the gyroscope model and download the corresponding firmware for flashing. You can check this by observing the gyroscope chip model in the flight controller hardware or by connecting to the Betaflight ground station, as follows:

How to differentiate the BMI270 and ICM42688 gyroscopes?