Zte F6640 Password !!top!!

You're looking for help with the ZTE F660 or F6640, which seems to be a fiber router. If you've forgotten the password or want to reset it, here are some helpful steps:

Changing the Wi-Fi Password

1. Log in to the router as described above.
2. Click on Advanced Setup > WLAN > Security.
3. Select the Wi-Fi network you want to change the password for.
4. Enter a new password and confirm it.
5. Click Apply to save changes.

http://192.168.1.1:8080/cgi-bin/telnet_enable.cgi

4. Password Recovery Methods

A. Physical Reset (Restores ISP defaults, not factory)

• Press the Reset pinhole button for 10–15 seconds until LEDs flash.
• Result: Device reboots with ISP pre-configuration, not generic factory firmware. The ISP’s default admin password (often on the sticker) will be active.