No doubt Samsung is smartphones best phone in technology but still missing something like battery backup and has a lag issues. Recently I bought Samsung On Nxt(GB ram) 32 GB from flipkart. Overall build quality is very nice but not satisfied with it’s battery backup and display.I don’t know why samsung being one of the most re-kn-owed company doesn’t give the best display that is AMOLED in their smartphones instead they used give TFT display whose review are worst then that of LED and LCD display. Samsung should work on these things too otherwise this is the best brand in smartphones.