Can't make or receive calls after I update my android

[Y0l4nd4]

Hello,

After I update my Samsung galaxy s21 ultra 5g , I can't make calls or receive.

I already reset all settings including a factory reset, but I still don't know how to fix it. 

Help please 

[Tsogo_sam05]

Hi Y0l4nd4

Thank you for reaching out to us and apologies for the inconvenience.

Kindly take the device to an accredited service center for a software reload. Please use the link below to find a service center near you

https://www.samsung.com/za/support/service-centre/