The Xiaomi 12 Lite 5G has appeared at various certification bodies, including the EEC and FCC. Not only do they point to the device's impending global release, but they also provide a few new specifications and details, including its memory configurations.
https://www.notebookcheck.net/Xiaomi-12-Lite-5G-surfaces-on-the-EEC-and-FCC-with-Android-12-MIUI-13-and-multiple-memory-configurations.612697.0.html