Huawei mobile phone call forwarding has been disabled. The network response is abnormal and cannot be set.

Influence of network delay and VoLTE function.

1. Network delay: The call forwarding setting is unsuccessful due to unstable network state. Check the network connection of the mobile phone to ensure that the mobile phone is in a good network environment, and set up call forwarding again after connecting to other reliable WiFi networks.

2. Influence of VoLTE function: Turning on volte function will affect call forwarding settings. You can turn off the VoLTE feature before setting up call forwarding.