M31 network issue

[shrutin]

I am faced charging issue.... So i hv changed CC bord by local shop... After that i am continue facing network not working kindlykindly help me wha is solution and how much cost require to solve issues in network... Both sim range malfunctioning 

[cs-member11]

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>Support>Type your query>Ask a question/Tap an error report>Send)

Thank you for writing to Samsung.

Warm Regards,
Samsung Customer Support