Quick answer: Sony Xperia-style master copy buyers should check the real hardware and software supplied rather than relying on the Xperia name.
Buyer Checklist
Verify display, storage, camera, connectivity, battery and warranty. Use the actual listing as the source for specifications.
HORUS Alternatives
See the S23 Ultra Master or 17 Pro Max Master Made.
Disclaimer: Inspired third-party smartphone. Not affiliated with Sony Corporation.