No signal on sim card

[filipppp]

Hi , I have a problem with my note 20 ultra , after last update,  sim card is not working ,it appears it has no network .

[eirueiruurr]

Ok

[eirueiruurr]

How can I help

[eirueiruurr]

Hi I have a problem with my work phone

[Jumil]

Yes , same problem

[cris53]

the same problem of mine note 20 ultra then they told me mother board problem

[cris53]

same to my note 20 ultra

[filipppp]

Yes , it appears to be the mother board for me also.....