Please refer to the README file for the following:

Supported Products and Operating Systems
Installation Instructions
Determining Which Version is installed
Complete list of summary of changes
Known limitations (if any)

The following versions of UEFI BIOS and ECP (Embedded Controller Program) have been released to date.

Package	UEFI BIOS	ECP	BIOS Update Utility	BIOS Update (Bootable CD)
R19UJ24W	1.34 (R19ET50W)	1.17 (R19HT33W)	Current release	Current release
R19UJ23W	1.33 (R19ET49W)	1.17 (R19HT33W)	r19uj23w.exe r19uj23w.html	r19ur23w.iso r19ur23w.html
R19UJ22W	1.32 (R19ET48W)	1.17 (R19HT33W)	r19uj22w.exe r19uj22w.txt	r19ur22w.iso r19ur22w.txt
1.30	1.30 (R19ET46W)	1.17 (R19HT33W)	r19uj20w.exe r19uj20w.txt	r19ur20w.iso r19ur20w.txt
1.29	1.29 (R19ET45W)	1.17 (R19HT33W)	r19uj19w.exe r19uj19w.txt	r19ur19w.iso r19ur19w.txt
1.28	1.28 (R19ET43W)	1.17 (R19HT33W)	r19uj18w.exe r19uj18w.txt	r19ur18w.iso r19ur18w.txt
1.27	1.27 (R19ET43W)	1.17 (R19HT33W)	r19uj17w.exe r19uj17w.txt	r19ur17w.iso r19ur17w.txt
1.26	1.26 (R19ET42W)	1.17 (R19HT33W)	r19uj16w.exe r19uj16w.txt	r19ur16w.iso r19ur16w.txt
1.25	1.25 (R19ET41W)	1.17 (R19HT33W)	r19uj15w.exe r19uj15w.txt	r19ur15w.iso r19ur15w.txt
1.24	1.24 (R19ET40W)	1.17 (R19HT33W)	r19uj14w.exe r19uj14w.txt	r19ur14w.iso r19ur14w.txt
1.23	1.23 (R19ET39W)	1.17 (R19HT33W)	r19uj13w.exe r19uj13w.txt	r19ur13w.iso r19ur13w.txt
1.20.1.17	1.20 (R19ET36W)	1.17 (R19HT33W)	r19uj11w.exe r19uj11w.txt	r19ur11w.iso r19uj11w.txt
1.20	1.20 (R19ET36W)	1.16 (R19HT32W)	r19uj10w.exe r19uj10w.txt	r19ur10w.iso r19ur10w.txt
1.19	1.19 (R19ET35W)	1.15 (R19HT31W)	r19uj09w.exe r19uj09w.txt	r19ur09w.iso r19ur09w.txt
1.18	1.18 (R19ET34W)	1.14 (R19HT30W)	r19uj08w.exe r19uj08w.txt	r19ur08w.iso r19ur08w.txt
1.17	1.17 (R19ET33W)	1.14 (R19HT30W)	r19uj07w.exe r19uj07w.txt	r19ur07w.iso r19ur07w.txt
1.16	1.16 (R19ET32W)	1.13 (R19HT29W)	r19uj06w.exe r19uj06w.txt	r19ur06w.iso r19ur06w.txt
1.15	1.15 (R19ET31W)	1.12 (R19HT28W)	r19uj05w.exe r19uj05w.txt	r19ur05w.iso r19ur05w.txt
1.14	1.14 (R19ET30W)	1.12 (R19HT28W)	r19uj04w.exe r19uj04w.txt	r19ur04w.iso r19ur04w.txt
1.12	1.12 (R19ET28W)	1.11 (R19HT27W)	r19uj02w.exe r19uj02w.txt	r19ur02w.iso r19ur02w.txt
1.10	1.10 (R17ET19W)	1.08 (R17HT24W)	r19uj01w.exe r19uj01w.txt	r19ur01w.iso r19ur01w.txt