I bought A72 around 1 and a half months ago. But Carrier Aggregation of my phone is not working. How can I solve it?

I am using A71 for around 2 months.  I got 2 updates, one is one ui 2.5 and another is a minor security update. But still Alt Z life feature is missing on my A71. Software update information Current version: A715FXXU3ATJ2 / A715FODM3ATJ4 / A715FXXU3A...

Is there anyone who got the 2.5 update but still do not get alt z life feature. And if anyone can help me with this to get it, you are welcome. Thanks in advance. 

Do anyone  using A71 and got 2.5 update? It come to listen that samsung give 2.5 update for A71, but I still don't get it, I checked for software update but it says its up to date. But still its software version is 2.1. If anyone have any idea feel f...

Does Samsung pulse there service to provide update for One UI 2 due to the on going covid 19 crisis ?