SharkRF openSPOT4
firmware v91
SharkRF · Released Sep 7, 2026 · First seen Sep 7, 2026
Source:
sharkrf.com
v91 is not the latest firmware for the SharkRF openSPOT4: the current version is v93 (October 8, 2026). Go to v93
What's in this update
Fixed occasional missing call end packets to the server Fixed occasional invalid call destination and source data in cross mode operation
updatemystuff.com never hosts firmware files — always download from the official source.
Get it from SharkRFWatch the openSPOT4 for updates
Create a free account and get an email the moment SharkRF publishes new firmware.
Create account & watch