Hi friends I am also using this smart phone I am very satisfied from this smart phone I suggest you also buy this smart phone. We can use this smart phone on place of DSLR because this smart phone have 13MP + 5MP Auto focus LED Flash. This smart is very helf full for youtubers. This smart phone never hang because this smart phone have 2GB RAM and 16GB Internal memory and expendable memory is 64GB. This smart phone have long battery backup Li-ion 4000mAh. This smart phone also support Fingerprint.