How to Get Wyse ThinOS firmware files
Visit the site http://downloads.dell.com/published/pages/#esuprt_thin_clients\ for example for TH 3030 we will go the below URL http://downloads.dell.com/published/pages/wyse-3030lt-thin-client.html search for “English Raw Image ” https://www.dell.com/support/home/us/en/04/drivers/DriversDetails?productCode=wyse-3030lt-thin-client&driverId=FG7F9 download the file “OS_Web_v8.6_B013_3030LT_ENG.zip” extract the file , find the Firmware for your thin client (in our example its “U10_wnos”) enjoy