Always specify a secondary proxy server in your return string ( PROXY primary:8080; PROXY backup:8080; DIRECT ). If the primary proxy drops offline, the browser automatically switches to the backup without user interruption.
: If flashing doesn't start, try different button combinations (Center key, or * and # keys) while plugging in the cable. Incompatible File e1207y pac file work
If you encounter a "Failed Flash Configure" error, ensure you are using a firmware version specifically patched for that error. Always specify a secondary proxy server in your