You have the choice...

		px41cx_V0901.hex	0.901	2024.08.26
		adds alarm support
		px41cx_v0902.hex	0.902	2024.09.02
		fixes issue with PX-41CX randomly wakeing up due to alarm routine bug
		px41cx_v0903.hex	0.903	2024.09.20
		Added: 4 Line display in PROG mode. Date/Time Format in display header, Splash screen time
		px41cx_v0904_FN.hex	0.904	2025.02.13
		Fixed Bug SETIME (standard font)
		px41cx_v0904_FS.hex	0.904	2025.02.13
		Fixed Bug SETIME (14 seg. font)
		px41cx_V905_ST7302.hex	0.905	2025.07.10
		Fixed power drain when off
		(ST7302 screen)
		px41cx_V905_ST7305.hex	0.905	2025.07.10
		Fixed power drain when off
		(ST7305 screen)
		px41cx_V905-2_ST7302_FN.hex	0.905	2025.11.11
		Added a small bell icon to the header when alarms are active
		(ST7302 screen, standard font)
		px41cx_V905-2_ST7302_FS.hex	0.905	2025.11.11
		Added a small bell icon to the header when alarms are active
		(ST7302 screen, 14 seg. font)
		px41cx_V905-2_ST7305_FN.hex	0.905	2025.11.11
		Added a small bell icon to the header when alarms are active
		(ST7305 screen, standard font)
		px41cx_V905-2_ST7305_FS.hex	0.905	2025.11.11
		Added a small bell icon to the header when alarms are active
		(ST7305 screen, 14 seg. font)

All PX-41CX firmwares are the creation of Alex Garza © PX 2024.
The ones with special options were created by me with Darren's tool (px41cx-utility.py) and courtesy of Alex.