In-band
fs0: flash.nsh [Target BMC FW] [UserName] [Password] [Current BMC Version] [Target BMC Version]
Ex: BMC_X13AST2600-NONROT-1501MS from 01.05.11 to 01.09.05
flash.nsh BMC_X13AST2600-NONROT-1501MS_20260222_01.09.05_STDsp.bin ADMIN ADMIN 010511 010905

Out-of-band
Linux SAA Revision: saa_1.4.0_Linux_x86_64
  ./flash_linux.sh [BMCIP] [Target BMC FW] [UserName] [Password] [Current BMC Version] [Target BMC Version]
Ex:BMC_X13AST2600-NONROT-1501MS from 01.05.11 to 01.09.05
./flash_linux.sh 10.11.22.33 BMC_X13AST2600-NONROT-1501MS_20260222_01.09.05_STDsp.bin ADMIN ADMIN 010511 010905