Software upgrade procedure

[grapevine]

Could someone help me with software upgrade for IE-3100-8T2C from Cisco IOS XE Software, Version 17.12.02 to Cisco IOS XE Software, Version 17.12.05, unable to find exact steps online

[Leo Laohoo]

IE3k is a 3650/3850 inside.  

Please read the following:  Cisco 3850: IOS-XE/Firmware Upgrade

[pieterh]

check this Cisco video on Youtube, 
don't worry about the IE3300 model in the title, this will work for the 3100 too