20260908（BMI270）
This firmware is only compatible with gyroscope BMI270.
Update Notes:
Applicable gyroscope model: BMI270
Firmware version: Betaflight 2026.6.1
BF2026.6.1_Matrix 1S 4IN1_BMI270_6dbc4218f_20260908.hex
20260908（ICM42688）
This firmware is only compatible with gyroscope ICM42688.
Update Notes:
Applicable gyroscope model: ICM42688
Firmware version: Betaflight 2026.6.1
BF2026.6.1_Matrix 1S 4IN1_ICM42688_6dbc4218f_20260908.hex
20250603
Basic firmware: Betaflight_4.5.2_BETAFPVG473
Receiver firmware version: ELRS 2.4G V3.5.3
ESC firmware version: Bluejay A_X_5_96KHz_ V0.19.2
Please kindly download the following firmware.
BETAFPV_4.5.2 Matrix 1S 4IN1.hex
Note:
- It is recommended to use BetaFlight version 10.10.0 parameter adjustment software.
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.