HP49g+ HP50g Firmware Version: 2.09 Build 0092
Description: Package contains the latest version of the HP 49G+ and HP 50g ROM (v92).
Firmware: 4.01 Build 0092
Release Date: 3 June 2006
ROM Version: 2.09
File Name: 4950_92.bin
Download (File Size: 738 KB)
After Updating, you could check by using VERSION() command.
On a HP 49g+, you would see:
On a HP 50g, you would see: