How to use mobile data during VoLTE calls on the secondary SIM of the Redmi 13C?

The Redmi 13C supports the Use mobile data during VoLTE calls on the secondary SIM function. It allows you to browse the internet or use data-based APPs while on a call. This feature ensures uninterrupted connectivity without switching SIMs.
To enable this function on your phone, please refer to the following steps:
1. Open the [Settings] APP on your phone;
2. Select [Mobile networks];
3. Enable [Use mobile data during VoLTE calls on the secondary SIM]. After the setup is complete, during VoLTE calls, the device will connect to a mobile data network using the secondary SIM.

Note:
Using mobile data during calls can increase your data consumption, so monitor your data plan to avoid extra charges.