VoxAlti uses Wi-Fi to carry out updates. The FDS Altis app (available on iOS or Android) needs to be used first to set the Wi-Fi network name and password on the altimeter. After settings those, use the .bin file at the bottom of this page and follow the instructions in the instructional video found here:



Firmware Version 1.2 (March 7, 2026)
Low power optimization and fixed altitude glitch on ascent.
VoxAlti_Firmware_1_2.bin