In general, when the new firmware upgrade is available for your network, then it will be available under Networkwide > General, once the firmware will be available then you will be able to see following three options (default behavior),
![Mayur_Gadhvi_0-1581986048576.png Mayur_Gadhvi_0-1581986048576.png](https://community.meraki.com/t5/image/serverpage/image-id/11690i66CCD96EF6CFB0A2/image-size/medium?v=v2&px=400)
And if the firmware is not available, then it will be greyed out,
![Mayur_Gadhvi_1-1581986134201.png Mayur_Gadhvi_1-1581986134201.png](https://community.meraki.com/t5/image/serverpage/image-id/11691i5451917393F1050E/image-size/medium?v=v2&px=400)
You can also manage the firmware upgrade on the organization level by scheduling the firmware for the particular network under Organization > Firmware upgrade > All networks > Schedule upgrades.
I would highly recommend you to refer below documents for all the firmware related queries,
https://documentation.meraki.com/Special:Search?q=firmware&path=&limit=11&page=1&tags=