Note: Mac OS Ventura will not allow firmware files to be copied to the altimeter, for which reason it is recommended to use a PC or a previous Mac OS.

Flash Revealer: SonoAlti_2V_Flash_Revealer.zip
Flash Eraser: Flash_Eraser_SAMD51.zip

Firmware Version 1.7 (2/10/22)
Made freefall graphs less susceptible to burbles (smoother and less spiky than before).
SonoAlti_2V_Firmware_1_7.zip