Sony Xperia X (2017) was officially announced in April 2017, (Expected Announcement) , Device Expected to Release in and it was not yet officially released, Sony Xperia X (2017) made under Xperia.Mobile Network Support and BandSony Xperia X (2017) have Dual, (Optional Single Sim Model) Card Slot, Sony Xperia X (2017) support all GSM Based network providers. Sony Xperia X (2017) mobile device support 2G Band Frequency at GSM 850,GSM 900,GSM