No network after flashing my s20 ultra

[Ahmedzizo0]

Hello everyone.
I bought a used s20 ultra with android 10
Everything ok network ok calls and everything ok
but can't check for update always tell me registration failed
So i flash with odin but unfortunately network didn't work after flashing
So i flashed another rom network appears but cant make calls or internet
Now my phone works good but no network
Don't know what to do
All what i have now imei 1 imei 2 sn
I don't also remember the original rom come with phone
I flashed the phone without check my old version
Very sad of all this
And dont know what to do
Any help

 

[Idebutterpiep]

Hello everyone.
I bought a used s20 ultra with android 10
Everything ok network ok calls and everything ok
but can't check for update always tell me registration failed
So i flash with odin but unfortunately network didn't work after flashing
So i flashed another rom network appears but cant make calls or internet
Now my phone works good but no network
Don't know what to do
All what i have now imei 1 imei 2 sn
I don't also remember the original rom come with phone
I flashed the phone without check my old version
Very sad of all this
And dont know what to do
Any help

May be this can help:
I had the same problem abroad. Check settings with your provider are right.
I couldn't find wifi, because my settings using phone abroad where out.

 

[Ahmedzizo0]

May be this can help:
I had the same problem abroad. Check settings with your provider are right.
I couldn't find wifi, because my settings using phone abroad where out.

Thanks bro
But still not

 

[Ahmedzizo0]

Update 1
Flashing new rom and network appear but cant make calls or anything

Another problem