https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089488#M26754 <P>setting up a 5520 controller</P> <P>it came with version 8.1.102</P> <P></P> <P>do i need to load FUS 1.9 (firmware upgrade) before upgrading software to 8.3?</P> Mon, 05 Jul 2021 14:30:42 GMT 2021-07-05T14:30:42Z https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089488#M26754 <P>setting up a 5520 controller</P> <P>it came with version 8.1.102</P> <P></P> <P>do i need to load FUS 1.9 (firmware upgrade) before upgrading software to 8.3?</P> Mon, 05 Jul 2021 14:30:42 GMT https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089488#M26754 2021-07-05T14:30:42Z https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089489#M26755 <PRE class="prettyprint"><SPAN>do i need to load FUS 1.9 (firmware upgrade) before upgrading software to 8.3?</SPAN></PRE> <P>No you don't</P> <P>Unless you require new features added in 8.3/8.4, I would suggest 8.2MR6 for a stable code</P> <P><A href="https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn82mr6.html">https://www.cisco.com/c/en/us/td/docs/wireless/controller/release/notes/crn82mr6.html</A></P> <P></P> <P>HTH</P> <P>Rasika</P> <P>*** Pls rate all useful responses ***</P> Tue, 08 Aug 2017 20:39:54 GMT https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089489#M26755 Rasika Nayanajith 2017-08-08T20:39:54Z https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089490#M26756 <P>sounds good.</P> <P></P> <P>thanks for the info!!</P> Tue, 08 Aug 2017 21:18:45 GMT https://community.cisco.com/t5/wireless/5520-controller-setup/m-p/3089490#M26756 2017-08-08T21:18:45Z