If you use the F602w purely as a modem (bridge mode) behind a powerful router like an Asus or MikroTik, you need firmware or higher. These builds fix the "VLAN Passthrough" bug that caused dropped packets every 38 seconds.
The ZTE F602w is a GPON Optical Network Terminal (ONT) with Wi-Fi, commonly used by ISPs. Official firmware is provided by ZTE and customized by ISPs. Unofficial firmware labeled “BETTER” has been observed on technical forums, claiming improved performance, unlocked settings, or bypassed restrictions. Zte F602w Firmware BETTER
Enter the credentials. If you haven't changed them, the default username/password is often Step 2: Backup Current Configuration If you use the F602w purely as a
For improved performance, first try: