: Match the MD5 hash of the downloaded file with the one provided on the website to ensure the file is not corrupted.

Inside the bootloader or shell, issue the TFTP download command. Syntax varies by vendor:

This article is your complete, step-by-step guide. We will cover what TFTP is, where to safely download the new version 1255 firmware, how to set up a TFTP server, and how to execute the upgrade without bricking your device.