Press and hold the reset pin hole on the back of the F602w for 15 seconds until all lights flash. This clears conflicting NVRAM variables.

“What… what’s that custom build? The latency is lower than our corporate core switch. This is impossible for a Zte F602w.”

Upgrading to firmware BETTER requires some technical expertise, but it can be done by following these step-by-step instructions:

: Hook up a high-quality, dedicated third-party router (like those from ASUS or TP-Link) to the ZTE unit via an Ethernet cable.

To update the ZTE F602W firmware:

: Always back up your configuration settings before starting an upgrade to prevent data loss. Do Not Power Off