THIS THING IS SHOWING AFTER PIE UPDATE HOW TO TURN OFF THIS THING

After updating my Samsung j6 to latest software which is released today.And i have found a new feature wifi calling can anyone tell what it is.

As gear s3 got one ui update will gear s2 classic will get update at any time.

The old software was much better than the new software.The new software is much optimised than new one.The ONE UI is making the phone very very laggy and gets warms from very less time use.The crashes at the time when we use for long time.The main an...

Thank you samsung for finally releasing update♥️