Network Issue

[MD4412]

My mobile Samsung M20 is unable to read any BSNL sim card, can you help me out?

[MD4412]

Really strange situations is this . Almost try all possible option.

[Samsung_Support1]

Dear Samsung Member,

Greetings from Samsung Customer Support!

To resolve your device network issue please visit this link: https://www.samsung.com/in/support/mobile-devices/samsung-mobile-network-issues/#:~:text=1%20Check%2....

For further assistance, 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