Before flashing new software, back up your current settings so you can restore your internet connection easily if the router resets to factory defaults.
If the dashboard displays an "Invalid File" or "Format Error" message, you have downloaded the wrong firmware version for your specific hardware revision. Double-check your router's bottom label and source a compatible file. Internet Fails After a Successful Update Sometimes an update wipes out your ISP connection settings. Log back into 192.168.1.1 . Go to > User Configuration . Zte F670 Firmware Update
: Log in to the web management interface (typically at 192.168.1.1 ) to see your current version under the status or device information tab. Before flashing new software, back up your current
Click or Choose File and select the downloaded firmware file. Click the Upgrade button. Internet Fails After a Successful Update Sometimes an