Use the default username admin and password admin (or check the sticker on the back of your router).
: Attempting to flash third-party or unverified firmware can brick the device or result in a loss of internet connectivity, as the ISP may only permit specific firmware versions to connect to their network. Step-by-Step Firmware Upgrade Process zte f670l upgrade firmware portable
: Do not power off the device or unplug the Ethernet cable during this 5-10 minute process. Sourcing Firmware Files Use the default username admin and password admin