ASUS - ZenTalk

Hi. Having used my new Zenfone 7 device for a few days I immediately notice really bad performance in phone call quality (over gsm only, it works great otherwise - over Skype or WhatsApp voice). As I found out that seems to be the common problem here...

As a user coming from an iPhone, never having owned an Asus device, one of my concerns is the software longevity. Can anyone tell me what updates in terms of new Android versions as well as security patches can I expect from Zenfone 7? I can see the ...