====== Upgrade Firmware ======

The upgrade Firmware menu allows you to upgrade (or downgrade) the firmware on your FreshTomato hardware to another Tomato firmware build.

You can find detailed information and step-by-step instructions on the flashing process in the HOWTOs section on the [[https://wiki.freshtomato.org/doku.php/firmware_basics_procedures|InstallingFreshTomato]] page.

Clicking the **Browse...** button, will allow you to select a suitable firmware file to flash (write).

You are very strongly urged to enable the //After flashing, erase all data in NVRAM memory //checkbox//. //Variables often persist in NVRAM after a firmware flash. Persistent variables can cause system instability or strange behaviour after the upgrade/downgrade. They may also cause wrong menu text or images to be displayed, or cause text or images not to be displayed.

After you select a firmware build file, that build's filename will display to the right of the //Browse...//  button. Clicking **Upgrade** will start the actual firmware flashing process. For detailed information on choosing a build to flash, see the section titled //How Do I Choose a Build? (build naming scheme)// on the [[faq|FAQ]] page.

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