The Sony Xperia XZ1 Compact is a compact flagship Android smartphone manufactured and marketed by Sony. The phone was announced to the public along with the Sony Xperia XZ1 at a press conference which was held at IFA 2017 on August 31, 2017. It is the successor to the Sony Xperia X Compact and the first flagship-grade compact smartphone from Sony since the Sony Xperia Z5 Compact. It is known as the SO-02K in Japan, where it is exclusive to the NTT Docomo carrier.