How to check the firmware version of the device: 1. Turn off your device
2. Connect to PC
3. Open windows file manager
4. Open Qstarz > Config > Device.sys with notepad software
LT-6000S Firmware Version History
LT-6000S firmware v1.07.00
Release date: 2019/05/08
‧ Solved the GPS Week number Rollover issue
LT-6000S firmware v1.04.00
Release date: 2016-12-08
‧ Update Japanese display language
‧ Fixed altitude & speed unit display error when
imperial unit was selected.
‧ Fixed some bugs in GPS logger mode
‧ Fixed some bugs in Drag > Session detail
‧ Fixed Max & Avg speed decimal point error in GPS
logger >> Session detail