Your 52s  are EOS and will be EOL in July. They aren't running anything but MR30x firmware regardless of what the dashboard says.   https://documentation.meraki.com/General_Administration/Other_Topics/Meraki_End-of-Life_(EOL)_Products_and_Dates https://documentation.meraki.com/General_Administration/Firmware_Upgrades/Product_Firmware_Version_Restrictions   ... View more