It is possible that the upgrade process did not complete before you attempted to access the router configuration pages. Wait two minutes and then try to access the router configuration pages again.
Unplug and then plug back in the power supply of the Wireless ASDL2+ Router. This will reboot the Wireless ASDL2+ Router. Wait for 30 seconds before you attempt to access the configuration pages of the Wireless ASDL2+ Router.
Press in and hold the Reset button for 10 seconds. This will reset the Wireless ASDL2+ Router to the factory default settings. If you applied any personal configuration settings, you will need to make the changes again.
You may need to release and renew the connection of your computer to the router.
When there is a power failure during software upgrade, the flash image may crash. The ADSL2+ Wireless Router provides a Flash Crash Recovery mechanism to recover the crashed flash image.
Recovery Steps:
For information on how to assign a Static IP Address to your computer, see the documentation for your operating system.
Click Browse to locate and select the new firmware file.
Click Update to begin the update process.
For information on how to assign a Dynamic IP Address to your computer, see the documentation for your operating system.