You can update the device firmware via the Yeastar system.
- Open the Yeastar web-interface and go to: Auto Provisioning - Resource Repository - Device Firmware - Add
- Vendor: Gigaset
- Model: GigasetP82x or other model
- Firmware version: Example: 10.1.198.162
- Upload Firmware File: Click on Browse to upload the Firmware
- Press Save