PUBG Mobile is compatible with the iPhone 5S and above, so long as they are running software version 9.0 or later. Performance-wise, players may experience a few hiccups on the 5S, with the iPhone 6 being recommended for smoother gameplay.
Those hoping to play PUBG Mobile on an Android device will be happy to learn that over 500 Android phones are compatible. You’ll just need to ensure that the device is running 5.1.1 Lollipop or later, and rocks at least 2 GB RAM.