Files Go - media player
The term "exclusive password" isn't standard in the context of ZTE devices or networking equipment in general. If you're looking for a specific password for this device, it's likely referring to:
Locate the small hole on the back of the ZTE F663NV3A. password zte f663nv3a exclusive
If you want to change advanced settings (VLAN, bridge mode, TR-069), you need the super user. The standard "user/user" only gives you basic Wi-Fi changes. The term "exclusive password" isn't standard in the