Sony Xperia E4/4G is still one of the great smartphones on the market.Xperia E4/4G has powerful chipset and enough ram for lollipop.It has  similar specification to Xperia M2 and M2 got lollipop.Why kitkat for this phone?Xperia E4G is Sony's first 64-bit phone and we cant use 64-bit without lollipop. There is no reason to not to upgrade  this phone.Sony would lose so much reputation that would be classified as a brand that not updates its Mobile.

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