Mobilink will only benefit from CA in areas where they have poor signals.
Their signal strength isn't as strong as Zong's (cause of aggregation) but their speeds are generally just as fast.
I don't know why, but if and when 5G ever materializes (not talking about when), Zong will already be ready. They'll also be ready with VoLTE too since they've got several cities (as per your earlier post,
@zafarabbasrizvi) with an aggregated signal. They already have the widest LTE coverage too. When you have all the pieces of the puzzle in place, then it's a matter of fixing the glue.
But why they're still not doing it, beats me.
Oh, and while they're at it, they should also launch VoWiFi.
And now, Zong should begin advertising about their peak speeds (cause Jazz has overtaken them in terms of raw 4G customers with dancing ads, while Zong is stuck with Atif Aslam's broken voice).
I think there's some reason to get excited again - only because of carrier aggregation.
What a sad, desolate life we all lead.