1.5

- Added Wifi filtering to improve quality of positioning results

- Replaced trip logs with heartbeats to optimise point based history 

- Fixed battery voltage readings


1.4 

- Fixed repeat wifi log when trip start/end occurred with a failed wifi scan
- Added SMS 4GINIT support, and capability for reading required APN and RAT (M1 or NB-IoT) from sim card memory


1.3 

- First Production FW Release


1.0 to 1.2

- Internal Testing/Dev FW