Idea network VOLTE upgrade

[Samsung_IhNOkui]

Not have VOLTE services in M31 phone give updates to work these services 

[vishallote1989]

It depends on your Network operator. Not all areas are covered by operators to work as VOLTE. You need to check with your operator.

[Samsung_IhNOkui]

my areas have volte service with other mobiles
m31 doesn't support

[AMPK]

4G works or not. As 2100mhrs works in this mobile.

[Samsung_IhNOkui]

4G working