Most modern versions of the ZTE F660 support an automatic check for updates directly from the admin panel.
Never upgrade over Wi-Fi. If the signal drops for a split second, you might ruin the device. Match the Hardware Ver:
A typical version like V6.0.0P2T5zh means:
Most modern versions of the ZTE F660 support an automatic check for updates directly from the admin panel.
Never upgrade over Wi-Fi. If the signal drops for a split second, you might ruin the device. Match the Hardware Ver:
A typical version like V6.0.0P2T5zh means: