The F670L features dual-band Wi-Fi. Early firmware had issues with band steering, causing devices to stick to the slower 2.4GHz band. Updates refine the 802.11ac (Wi-Fi 5) performance, increasing throughput and reducing latency.
Consider upgrading (or replacing) your ZTE F670L if you experience: zte f670l latest firmware download
Click "Upgrade" and do not power off the device. The router will reboot automatically once finished. ⚡ Important Safety Tips The F670L features dual-band Wi-Fi