Yes, Xiaomi Poco M3 Pro 5G is confirmed to have a side-mounted fingerprint sensor. The Xiaomi Poco M3 Pro 5G is an excellent mid-range entry-level budget phone with excellent features.
The Xiaomi Poco M3 Pro 5G has a side-mounted Fingerprint Sensor as its first phone security system. They also integrated an AI Face Unlock system. Xiaomi Poco M3 Pro 5G is an excellent phone, a mid-range entry-level phone.