# Firmware Lifecycle
Note
Make sure you have physical access to the device before starting the update process.
Warning
Do not power off the device during the firmware update.
# Change Log
# Bug Fixes
- Fixed reading values of the conductivity sensor.
# Compatibility Matrix
Please carefully check the compatibility matrix for the 1.4.1 firmware version with the previous version.
Legend:
- C - fully compatible;
- NC - not compatible;
- PC - party compatible, check additional notes.
| 1.4.0 | |
|---|---|
| OTA Upgradable | C |
| Rollback | C |
# Known Bugs List
The list below contains the most important problems in the firmware and their solutions.