Rebuild the devinfo MTD partition

The "xxxx" entries require the information listed on the WRT1900AC V1 product labels, a previous Linksys sysinfo.cgi report or your own defaults.

echo cert_region=US >> /tmp/devinfo
echo default_passphrase=xxxxxxxxxx >> /tmp/devinfo
echo default_ssid=Linksys99999 >> /tmp/devinfo
echo deviceType=urn:home-linksys-com:device:Router:1 >> /tmp/devinfo
echo devinfo_version=20131025.1 >> /tmp/devinfo
echo hw_mac_addr=B4:75:0E:5A:xx:xx >> /tmp/devinfo
echo hw_revision=1 >> /tmp/devinfo
echo hw_version=48SAM103.0GA >> /tmp/devinfo
echo manufacturer=Linksys, LLC >> /tmp/devinfo
echo manufacturerURL=http://www.linksys.com >> /tmp/devinfo
echo manufacturer_date=2014/03/17 >> /tmp/devinfo
echo mfg_data_version=1 >> /tmp/devinfo
echo modelDescription=Simultaneous Dual-Band Wireless-AC Gigabit Router >> /tmp/devinfo
echo modelNumber=WRT1900AC >> /tmp/devinfo
echo serial_number=xxxxxxxxxxxxx >> /tmp/devinfo
echo sw_version=v1.3.25 >> /tmp/devinfo
echo tc_passphrase=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx >> /tmp/devinfo
echo tc_ssid=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx >> /tmp/devinfo
echo uuid_key=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx >> /tmp/devinfo
echo wps_device_pin=xxxxxxxxxx >> /tmp/devinfo

 

flash_erase /dev/mtd3 0 0
nandwrite -p /dev/mtd3 /tmp/devinfo

To get your current values run "cat /dev/mtd3" and Ctrl+c shortly after output starts.