Check with your carrier to see if this feature is available to you with the plan you pay for.
Check with your carrier to see if this feature is available to you with the plan you pay for.
I have the same issue and YES I HAVE THAT FEATURE AVAILABLE, I was able to merge calls before the IOS 11.4 now I CAN'T.
I hope you can help me to this problem..
I cannot merge a call on my iphone x???