![background image](https://i.printerdoc.net/HP LaserJet Pro MFP M521 series/en/HP LaserJet Pro MFP M521 series_en169.png)
Upgrade the firmware
HP offers periodic upgrades to the product firmware. You can load the firmware upgrades manually, or
you can set the product to automatically load firmware upgrades.
Upgrade the firmware
HP offers periodic upgrades to the product firmware. You can load the firmware upgrades manually, or
you can set the product to automatically load firmware upgrades.