Yes, BlackBerry KEY2 does have the 3.5 mm headphone jack.
Yes, BlackBerry KEY2 can record 4k videos at 30fps.
No. BlackBerry KEY2 does not have the face unlock.
Yes, BlackBerry KEY2 does have a hybrid sim slot. You can use either 2 Sim cards or 1 Sim card and a MicroSD card.
Yes, BlackBerry KEY2 does support wi-fi calling.
Stellar battery life. A tactile and genuinely useful keyboard. Great software with a focus on security and privacy. What more could you want? The BlackBerry Key2 is an exceptional phone.
The BlackBerry KEY2 is the best Android-powered BlackBerry ever made, and it improves on last year's formula in almost every way.