Firmware for Matrix 1S Brushless Flight Controller (4IN1)

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.