Advance calling and messaging option disabled

[mujeebrov]

Why this option is disabled?

[Members_MARQUeP]

• It's still not working. 

[soumyame]

Same problems, even after reset it's turn disable after few moments

[RotBolt]

I have the s22 ultra and same problem it's disabled for me
Mods please help

[soumyame]

Same problem even after factory resen again it's turn back grey within a day

[NoobGameryt]

How to on advance calling and massaging