I have had my Zenfone2 Deluxe for a couple of months now and it is awesome. The quadcore processor and 128 GB of internal storage are over the top for me. It is a dual SIM, unlocked phone with a micro SD card slot that I have installed one of 128 GB. It is fast and I love the storage room. Since it is unlocked I am presently using it with Straight Talk but I could go with any carrier I choose.