If the F689 is provided by a carrier like Movistar, Claro, or Telmex, the firmware might be locked down tight. If you cannot find Bridge mode, you have two remaining choices:
Switching to is not a simple toggle. You must prepare: zte f689 bridge mode exclusive
: To prevent conflicts, turn off the Wireless RF mode (Wi-Fi) and DHCP on the If the F689 is provided by a carrier
However, if you only browse Facebook and send emails, do not use bridge mode. The complexity is unnecessary. zte f689 bridge mode exclusive