Mi — Poco x3 pro phone dead scam replacing with downgrade phone

Poco X3 Pro is dead after the update and in replacement, the Poco X4 Pro is given, which is a total downgrade phone in comparison to the Poco X3 pro.
and for me and others Poco X3 pro users, it is a great loss. We need a same-performance device!!. Giving high amount for poco x3 pro phone and getting downgrade phone as replacement because of company motherboard dead problem. It is a scam please help me, i cant buy a new phone