Sony had already announced its flagship smartphone – the Xperia Z2 – at this years Mobile World Congress and the units started appearing on the market May onwards. It has been just four months since, and Sony has already announced another flagship device – the Xperia Z3. This is nothing new for Sony, as it had done the same with the Xperia Z2, which was launched five months after the Sony Xperia Z1 launch. But is it really a drastic improvement or just a minor iteration? We will have a look, but first lets look at the build quality.
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