sony xperia xa1 when did it come out
Sony Xperia XA1 The Sony Xperia XA1 is an Android smartphone produced by Sony. Part of the Xperia X Series, the device was unveiled along with the Sony Xperia XZ Premium, Sony Xperia XZs and Sony Xperia XA1 Ultra at the annual Mobile World Congress in February 2017.
Smartphone In 1999 the Japanese firm NTT DoCoMo released the first smartphones to achieve mass adoption within a country.[1] Smartphones became widespread in the late 2000s, following the release of the iPhone. In the third quarter of 2012, one billion smartphones were in use worldwide.[2] Global smartphone sales surpassed the sales figures for feature phones in early 2013.[3]