I was a bit skeptical about the mobile network since I'm a T-mobile user in the US, but everything went smoothly once I put the sim card in. It gets 4G (LTE) everywhere I've been to and the call quality is excellent as well. I am also impressed by the long-lasting battery and the quick speed of charging with the regular adapter provided. Everything runs fast and I have zero complaints about lag of any kind. Speakers are even louder than I thought they'd be and the sound is very good. The thing that completely amazed me was the quality of the camera, it just takes the pictures right and, if the portrait mode is used, the background blurs correctly 95% of the time and the edges algorithm is outstanding! I came from a budget phone and this is definitely a high-end product experience. The only cons I could find is that the front facing camera has no LED flash and isn't wide-angle; and that the video recording hasn't EIS (electronic image stabilization) or OIS (optical image stabilization) so it can get shaky. All-in-all I truly believe this is a no-brainer for the price. Go for it and try it yourself. I promise you: you won't be disappointed.