Answer :
- Log in to the MCU using the CLI as the system administrator.
- At the <HUAWEI VP9650> prompt, enter upgrade and press Enter.
- At the [HUAWEI VP9650-upgrade] prompt, enter import and press Enter.
- At the Please select type: prompt, enter 103 and press Enter.
- After the IVR file is loaded, at the [HUAWEI VP9650-upgrade] prompt, enter quit and press Enter.
- At the <HUAWEI VP9650> prompt, enter reboot and press Enter to restart the MCU.

