From my personal experience it was very good product at that time but slowly slowly if became slow and very slow to work with it .
It’s sound quality is good but not that good enough to grade it and appretiate it .
Even though it is easy to use to but it will slow down gradually because of less RAM i.e 512.
Sony Xperia E1 dual is so ugly and it has got very disgusting design as well .
It is so small and tiny so we can’t use it properly and because of it’s design indirectly is not that comfortable to use .
It has got very nice features but not that much to apprtiate it .
It is reliable but it is not durable .
It is very costly, by looking to it’s features it has a great amount of loss .
So DON’T buy it.!