Arduino YUN – how to get older system images

On Arduino.cc  You can always find and download most recent Arduino YUN system image (firmware).  What to do, if You need older one?

Arduino YUNOlder firmware for Arduino YUN

First, You need to know which firmware You need. Browse all release notes on  GitHub. Knowing which one You need, insert revision number into link replacing XXX:

https://downloads.arduino.cc/openwrtyun/1/YunSysupgradeImage_vXXX.zip

So, if You need 1.4.2 link for download is:

https://downloads.arduino.cc/openwrtyun/1/YunSysupgradeImage_v1.4.2.zip

And for Release 1.3:

https://downloads.arduino.cc/openwrtyun/1/YunSysupgradeImage_v1.3.zip