Network keeps switching between 4G to 2G in airtel sim of my Samsung Galaxy M31?

[Rajesh763]

How to fix this. Network keeps switching between 4G to 2G in my samsung GALAXY M31.

[Itsdebby]

It happens when we use dual sim

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We acknowledge your query and apologize for the same. To resolve your device network issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-optimise-network-...

In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support