Have you already , or do you need a step-by-step guide for that?

: Download the ROM zip file, optional Google Apps (GApps), and other files like Magisk if rooting.

The MediaTek Helio G90T is a gaming-oriented processor, and Xiaomi has released kernel sources, fostering a strong custom ROM community for the device. However, its aging MIUI software is often the bottleneck.

OxygenOS includes OnePlus’s proprietary gaming optimization tools (like Fnatic Mode or Pro Gaming Mode, depending on the ported version). Because OxygenOS has a lower baseline RAM footprint than MIUI, more system resources are allocated directly to games. Users report more stable frame rates in titles like PUBG Mobile and Call of Duty: Mobile, with fewer thermal throttling spikes. RAM Management and Multitasking

OxygenOS is renowned for its minimalist approach, high performance, and smooth user experience. Here is why Redmi Note 8 Pro users often consider switching: