Perform a hard reset (pin in the reset hole for 30 seconds) and reconfigure your Wi-Fi name/password. Configuration databases sometimes corrupt during OTA updates.
Updating the software (firmware) on a ZTE F660 Play Media device can improve stability, fix security vulnerabilities, and sometimes unlock new features. There are two main ways to perform an update: using the Auto-Update feature or uploading a firmware file. 1. Online / Auto-Update Method Update Software in ZTE F660 Play Media
Most modern ZTE F660 units allow for a direct online check through the admin interface. How to Update your ZTE F660, How To - HardReset.info Perform a hard reset (pin in the reset