The ZTE F600 username and password can be seen on the label on its back.
Introduction: ZTE F660 provides multiple interfaces such as FE, GE, POTS, E1, RF, WiFi, USB, etc. ZTE F660 supports IP, VOIP, TDM, WiFi, IPTV, CATV and so on. It supports a power adapter that can be built-in lithium iron battery, wide voltage design and high level lightning protection to adapt to harsh environments such as hot and cold deployments.