Just in case someone run into this: trying to set the box to boot from USB I couldn't permanently set envs from Debian: After changing mtd1 addresses vi /etc/fw_env.config # MTD device name Device offset Env. size Flash sector size Number of sectors #/dev/mtd1 0x0000 0x80000 0x20000 4 /dev/mtd1 0x0000 0x2000by petruchito - Debian