iQOO's latest smartphones are new variants of its Neo5 series. The 5S has the Snapdragon 888 SoC, paired to an "innovative" thermal management system touted to incorporate rare-earth elements for advanced heat dissipation. The 5 SE has the Snapdragon 870 instead, but also has a 144Hz display and a 50MP main camera.
https://www.notebookcheck.net/iQOO-launches-the-Neo5S-and-5-SE-smartphones-with-high-end-Snapdragon-chipsets-and-a-new-UI-based-on-Android-12.588244.0.html
You titled the article with a OS and didn't mention the OS name once in the article lol