Best smartphone for selfie. The 5.5-inch IPS display produces rich colours, and the maximum brightness level is much better. I had no trouble with the display under direct sunlight. The F1s gets a fingerprint sensor and it works very well.The all-metal body looks really good and the glossy gold trim that runs along the edges of the phone adds to the device’s premium aesthetic.Around the back, I have the 13-megapixel camera and LED flash. The battery is sealed inside and is non-removable. I also get a dedicated microSD card slot which can accommodate a 128GB card. Coming to battery life, we managed to get 10 hours and 11 minutes of continuous video playback from the 3075mAh batter.I like it very much.