Will a new AT&T iPhone work out-of-box with a Cricket SIM?

Was planning on pre-ordering the iPhone XR but realized there's no unlocked model available at launch. Will an AT&T carrier model be compatible with Cricket without having to get the phone unlocked? If not, what could I do to get it unlocked?

Which phone is better? - 1

I want to buy a new phone and I'm confused between the new different models from different companies,
iphone XS, Huawei mate 20 pro, Samsung Note 9 or S9 +. Which is better (Durability, battery life, Camera, software, shape).
I know this might be a basic question but I don't have good experience in cell phones.
N.B I had an iphone before but it was damaged

Would it be illegal to keep a phone that I found?

4 days ago I found an iPhone X in a coffee shop, I took it and I want to keep it because it's really nice and it didn't even have a passcode on it so I deleted everything on the phone and put my Apple ID on it, no one has called the phone or anything so would it be illegal to keep it and is there any way for them to track the phone down? I really want the phone.

Do we know how the turks got possession of the khashoggi recording?

Seemingly it was off khashoggis own iphone watch and we know the body was dismembered so how exactly did the turks get hold of it?

id assume you chop up a body to dump the parts in different locations to try avoid getting caught and how the hell do you miss an iphone on an arm?

Wi-Fi not working on certain apps?

I've got an iPhone 5s and when I use some apps it's unable to connect to the internet? I've tried resetting network settings but still not working, any fix?