Please update your CASIO calculator software to thelatest version | CASIO
Casio RZ-1 - Version 2.00 New OS Firmware Update Upgrade | Reverb
GDB-H1000 software update, finally! (But doesn't look like much has changed... no new workout options, no better notification management... 😢) : r/gshock
There is already officially a firmware update in version 1.09 for the CT-X3000/5000. - CT-X3000 / CT-X5000 - Casio Music Forums