ZTE-COS-ENTRY2I-FW-01 Version: 1.0 Target Device: ZTE Speedport Entry 2i (provided by Cosmote / OTE Group) Purpose: To provide a standardized, safe method for updating the router’s firmware to ensure security, stability, and feature compliance with Cosmote’s network.

Note: This method is convenient but sometimes shows “No update available” even when a manual web method finds one. The web interface is the most reliable.

Cosmote stages updates by IMEI/serial number. Your batch may not have received approval yet. Wait or contact Cosmote support to force an update.