This article explains how to upgrade SonicWaves manually on WNM.
There are 3 methods to do it.
NOTE: The upgrades mentioned in this article are for SonicWaves managed by the cloud (WNM). The firmware downloaded on the cloud can not be used in firewall managed Access Points.
For firewall managed Access Points please follow the KB: How to download SonicWall access point firmware?
Method 1
In order to apply manually a firmware version, is necessary to access the Access Point on the local network. (Accessing WNM managed Access Point from a local network)
Method 2
Method 3