How to upgrade my phone’s FW?

Our phone support TFTP/HTTP/HTTPS/FTP upgrade and Webpage upgrade. 
For upgrade by TFTP/HTTP/HTTPS/FTP, please download the upgrade instruction document here.
For upgrade by Webpage. You can do as the following steps:

1. Download the required FW version.Please refer to【Where could I download the latest phone FW?】for detailed steps.
2. Please log on Webpage,Management->Upgrade->ROM Firmware Upgrade, choose the FW file and click Upgrade.