Yabby3-4G Release Notes

Explore the latest updates and features in Yabby3-4G for enhanced performance and user experience.

Written by Daan de Waard

Updated at October 26th, 2026

Device Firmware Release notes:

[BETA] FW v1.19 (HW rev 1-3) FW v2.19 (HW rev 4)	ESS support Modem FW v1.3.5 support Whitelist EU Device Manager
FW v1.18 (HW rev 1-3) FW v2.18 (HW rev 4)	GPS timeout set in recovery mode when flight mode is also active, minimum checked to 60 seconds
1.17/2.17	Add parameter to optionally disable PCB debug interface
1.16//2.16	Support for async stats reset to reset the battery status flags
1.15/2.15	Allows support for hardware revision 4
1.14	Allow updates to MFW 1.3.4 Enabled multi-cell tower scan - requires Modem Firmware Update version 1.3.4
1.13	Fixed tripSvc bug Added HW Rev 3 support
1.12	Connection timeout change
1.11	Parameter introduced to allow GPS fix on device heartbeat to be disabled. Support for Modem Firmware Update to 1.3.3 Added support for stats reset via async message
1.10	(Big update!) SDK and Modem Library Updates We can now reset the modem core separately from the application core to recover from modem faults. This allows for faster/better recovery when the modem freezes Numerous fixes and improvements to networking sockets. Others Allow updates to MFW 1.3.2 and support MFW 1.3.2 flash backup changes Added GPS TTFF vs accuracy prioritization Fixed incorrect trip start time issue for GPS based trip tracking Fixed modem restart/recovery procedure after a SIM boot failure
1.9	Modem freeze exponential backoff
1.8	Once off in trip upload
1.7	Added initial GPS fix parameters
1.6	Support for HW rev2
1.5	High G + Tip can be used simultaneously GNSS Improvements
1.4	Modem SDK Update
1.3	First Production Release

release yabby3 firmware update