SonoAlti G2V
Firmware Updates & Tools
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:
Flash Eraser:

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