ISR 4221 Recommended IOS

[Thomas Yarger]

All,

I'm currently deploying a large quantity of 4221's for a customer to their branch locations. They have 16.4.1 preloaded but that particular release has been deferred. Any recommendations on a stable IOS release? Thanks. Best.

[Julio E. Moisa · Accepted solution]

Hi Thomas,

The last release are

 isr4200-universalk9_ias.16.04.02.SPA.bin   (it should be recommended for your devices to keep the same line)

isr4200-universalk9_ias.16.05.01b.SPA.bin

https://software.cisco.com/download/release.html?mdfid=286310700&softwareid=282046477&release=Everest-16.4.2&relind=AVAILABLE&rellifecycle=ED&reltype=latest