If you will upgrade the video phone V60 to the specific firmware, you can refer to the below steps:
1. Put the firmware in your USB device;
2. Plug the USB device into the video phone;
3. Press two keys at the same time when you power on the V60 IP phone
4. The phone will go to recovery mode, we can press up and down key to choose the second option:
update from USB equipment. Then clicks OK key.
5.Choose the firmware file and click OK button:
6.The phone will start to upgrade.
7.After it finishes upgrading, we can reset the factory settings: