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.