It is now very simple to upgrade your Switchfin firmware (both u-boot and uClinux). The update is working from u-boot and require internet connectivity of course. As soon as you start the procedure your board will check the latest available version of the firmware for your board, will download it using tftp protocol and will save it in the non-volatile memory of your board.

To start the procedure you need a console access to your board. Interrupt Linux auto-booting and type in u-boot prompt

run upgrade

You will get the information about the upgrading process.
Keep in mind that this new feature is introduced in our latest u-boot and you will have to update your u-boot manually in order to use it.

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Dimitar Penev