Unlocking the (often branded as the Telstra 4G Wi-Fi Advanced or Optus 4G WiFi) via firmware is a process used to remove network restrictions, allowing the device to accept SIM cards from any carrier. The Unlocking Process
If you do not have an unlock code, you can use specialized software to unlock the device directly. : Download and install the DC-Unlocker client . zte mf910 unlock firmware