M21 2021 edition

[racharlaarunkumar]

Bsnl 4g volte not showing and unstable 4g signals voice quality is very poor but same sim in redmi 5a mobile working volte 

[racharlaarunkumar]

Connecting Only 3g signal but in area 4g signals available bsnl operator

[cs_member10]

Dear Samsung Member,

Greetings from Samsung Customer Support!

As per your concern, we would request you to kindly visit this mentioned link to resolve your issue.

● Galaxy device network issue: https://www.samsung.com/in/support/mobile-devices/samsung-galaxy-smartphone-how-to-optimise-network-...

In case the issue still occurs, kindly visit the service centre for a physical inspection of your device. You can locate your nearest service centre with this given link: https://www.samsung.com/in/support/service-center/

Warm Regards,
Samsung Customer Support