https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32581#M6040 Here's an article for that: <A href="https://extremeportal.force.com/ExtrArticleDetail?n=000001172" target="_blank" rel="nofollow noreferrer noopener">https://extremeportal.force.com/ExtrArticleDetail?n=000001172</A><BR /> If you re-download the file and get an MD5 or SHA256 that doesn't match those above, let me know so that I can check and replace the file on the download server.<BR /> <BR /> Thu, 28 Sep 2017 07:09:00 GMT Drew_C 2017-09-28T07:09:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32575#M6034 I have a few X480 extreme switches here at Intel and want to upgrade the OS on them<BR /> I already got summitX480-16.2.3.5-patch1-14.xos from extreme website but during downloading it to switch (after tftpd32 finished its job) switch says "Error: File could not be unwrapped"<BR /> I thought maybe there is an upgrading step probably to a lower version first that I'm missing<BR /> Can someone help me out? Thu, 28 Sep 2017 05:07:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32575#M6034 Da_Mon 2017-09-28T05:07:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32576#M6035 Did you specify vr VR-Default? Thu, 28 Sep 2017 06:28:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32576#M6035 Jeremy_Gibbs 2017-09-28T06:28:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32577#M6036 No, I thought it's optional to use! Thu, 28 Sep 2017 06:47:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32577#M6036 Da_Mon 2017-09-28T06:47:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32578#M6037 No, if you don't specify a VR, it won't be able to download the file. In that release anyway... Thu, 28 Sep 2017 06:47:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32578#M6037 Jeremy_Gibbs 2017-09-28T06:47:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32579#M6038 i finally installed xos, no need to use VR,<BR /> Thank you though Thu, 28 Sep 2017 06:47:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32579#M6038 Da_Mon 2017-09-28T06:47:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32580#M6039 I don't think there's anything special you need to do to make the jump in version. However, you'll need the X480 specific .xos file to install 15.6+ releases.<BR /> <A href="http://documentation.extremenetworks.com/release_notes/extremexos/16.2/exos_release_notes/16.2/c_exos-images-x480.shtml" target="_blank" rel="nofollow noreferrer noopener">http://documentation.extremenetworks.com/release_notes/extremexos/16.2/exos_release_notes/16.2/c_exo...</A><BR /> There's a few articles in the KB about this as well, here's the search results: <A href="https://extremeportal.force.com/ExtrSearch#q=x480%20image&amp;#38;t=Knowledge&amp;#38;sort=relevancy" target="_blank" rel="nofollow noreferrer noopener">https://extremeportal.force.com/ExtrSearch#q=x480%20image&amp;t=Knowledge&amp;sort=relevancy</A><BR /> <BR /> Except, it sounds like you already did this... check that the MD5/SHA256 sum is correct on that file.<BR /> 58426c7793a99108e8b7a81b10fc9d341d1dbf42ff0894d0f5adbdc8b0710f06 summitX480-16.2.3.5-patch1-14.xos<BR /> 1bf62aa6447eb817ec4d6fde03dea4ce summitX480-16.2.3.5-patch1-14.xos Thu, 28 Sep 2017 07:09:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32580#M6039 Drew_C 2017-09-28T07:09:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32581#M6040 Here's an article for that: <A href="https://extremeportal.force.com/ExtrArticleDetail?n=000001172" target="_blank" rel="nofollow noreferrer noopener">https://extremeportal.force.com/ExtrArticleDetail?n=000001172</A><BR /> If you re-download the file and get an MD5 or SHA256 that doesn't match those above, let me know so that I can check and replace the file on the download server.<BR /> <BR /> Thu, 28 Sep 2017 07:09:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32581#M6040 Drew_C 2017-09-28T07:09:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32582#M6041 The file was corrupted when I moved it with my flash drive, using another one everything was fine, thank you for the tips and md5 you provided Thu, 28 Sep 2017 07:09:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32582#M6041 Da_Mon 2017-09-28T07:09:00Z https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32583#M6042 Great! Glad that solved it.<BR /> Thu, 28 Sep 2017 07:09:00 GMT https://community.extremenetworks.com/t5/extremeswitching-exos-switch/what-s-the-step-to-upgrade-xos-from-12-5-4-5-to-16-2-3-4-patch-1/m-p/32583#M6042 Drew_C 2017-09-28T07:09:00Z