The Sony Xperia XZ3 was without a shadow of a doubt one of the most exciting Sony Mobile smartphones to come from the trusted brand in years. Its successor therefore, has some pretty big shoes to fill.

This new phone should be the Xperia XZ4 by previous convention but Sony went on a renaming spree at Mobile World Congress in Barcelona when it launched the Xperia 1, Xperia 10 and Xperia 10 Plus.
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