Release Notes - Oyster3-4G

Written by Matthew Clark-Massera

Updated at June 10th, 2025

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1.19/2.19	Support for async stats reset to reset the battery status flags
1.18/2.18	Added support for Turn-by-Turn Tracking Mode
1.17/2.17	Ability to set Digital Input to indicate High-G event.
1.16/2.16	Added support for hardware revision 3 Stability improvements
1.15	Connection timeout update Memory Optimizations
1.14	Parameter introduced to allow GPS fix on device heartbeat to be disabled. Log + Upload Tip Action added (see Tip Detection)
1.13	Added support for stats reset via async message Added 2D, 3D and altitude GPS position accuracy in info level debug logs
1.12	Added support for device variant.
1.11	Fixed incorrect trip start time issue for GPS based trip tracking Fixed modem restart/recovery procedure after a SIM boot failure
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 config option to GPS parameters for prioritising accuracy over TTFF
1.9	Modem freeze exponential backoff
1.8	Increased battery low voltage threshold based on field testing New initial GPS fix parameters Once-off in trip uploads
1.7	Fixed issue with High-G /Tip setting being clobbered
1.6	High G + Tip Detection can now be used simultaneously Default GPS mode changed to performance GPS improvements
1.5	(First Production Release) Added Galileo Support Added Minimum Initial Satellites Parameters

4g oyster3 release notes