Yabby GPS Firmware Release Notes
Written by Matthew Clark-Massera
Updated at October 1st, 2025
Table of Contents
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v2.22 / 3.22
Whitelisting of EU Device Manager
v2.21 / 3.21
Recovery Mode Flag Fix
v2.20 / 3.20
Fix for repeated "Modem turn off failed" issue
v2.19 / 3.19
Added cell tower fallback
v2.18 / 3.18
GPS aiding data fix
v2.17 / 3.17
Improvements to low battery behaviour
v2.16 / 3.16
Latest APN list release
Fixed reset loop if geofence data was assigned and then cleared whilst still being enabled
v2.15 / 3.15
Added geofence download aync message
Battery good flag now cleared after under voltage reset
Minimum in trip logging period lowered from 1 minute to 10 seconds
v2.14 / 3.14
Latest APN list updates
v2.13 / 3.13
Network PCO support
v2.12 / 3.12
Added GPS satellite count and signal strength filter for higher position certainty
Made the Wake Filter for Jostle Based Trips and Recovery Mode configurable
Added new GPS and upload timeout options for Recovery Mode
Compatibility hotfix for networks that don't support ePCO
Geofence support for third party servers
Version message support for third party servers
v2.11 / 3.11
Added scheduled uploads
v2.10 / 3.10
Increased low battery threshold to 4.85 V inline with new field data
Added Verizon support
Added server whitelisting
Added after hours movement flag
v2.9 / 3.9
Added backup admin params
v2.8 / 3.8
Fixed support for APNs with authentication
New modem maintenance release for 3.x (6 MB download)
Added undervoltage lockout
v2.7
Reverted default Telstra APN to blank
v3.0
Enabled modem maintenance release update (6 MB download)
v2.6
Network Profile support
SARA-R410M-02B 5.08 support
v1.15
Added inactivity timeout feature
v1.14
Support for incremental modem firmware downloads
v1.13
Prevent incorrect hello responses from third party servers from forcing geofence downloads
v1.12
Added modem firmware update revision 3, for units deployed for 8-12 months
v1.11
Added modem firmware update revision 2, for units deployed for 4-8 months
v1.10
Increased modem firmware download timeout, and limited to one install attempt per boot
Set Telstra 4G sims to Cat-M1 only
v1.9
4G modem firmware updated to SARA-R410M-02B L0.0.00.00.05.06 A.02.01
1.8
Added temporary workaround for Ublox 4G modem issue. Permanent solution in progress.
1.7
Fixed stat uploads when using third party servers
1.6
Added visual feedback when setting APN from an SMS on the sim card
Added 4G Auto APN list
1.5
On device geofence functionality added
Added 4GINIT SMS
Default logging changed to 15min while in trip
1.4
First Production Firmware
1.0 to 1.3
Internal Testing/Dev FW
