This mobile is really so good its battery backup is really so good nd the camera of Mi A1 is like a DSLR digital camera. Ram is so good that is sufficent for running all the program. Their all the features is excellent nd the smartphones is looking very stylish nd smooth.i love this phone nd their all the features is awesome. Their processor is also very fast. This phone is not in very high budget front camera is so good and its charging speed is also very fast and it stand long hour and this is really really very good product so friends please buy this mobile it is really very gud smartphone