The MIUI team released MIUI 8 Global Beta ROM 7.4.6 with an efficient CPU allocation strategy. This new strategy will reduce system lag and boost system performance. According to MIUI developers, the new CPU allocation strategy will reduce system lags by 10% and boost up performance or system speed. The new system optimization supports all Mi/Redmi devices running on Android 5.0, Android 6.0 and Android 7.0.
The CPU allocation strategy is not a new feature. It was already tested with Mi 5 and the result was excellent, so MIUI team decided to bring it to all Mi and Redmi devices. Note that MIUI devices with Android 4.4 are not supported for now. Full changelog for MIUI 8 Global Beta ROM 7.4.6 are listed below.
Besides smarter and more efficient CPU allocation strategy, the MIUI 8 Global Beta ROM 7.4.6 includes few new features such as, switches for common settings in search results, screen recorder option as well as bug fixes and various optimizations. Full changelog available at here.
The MIUI 8 Global Beta ROM 7.4.6 supports Redmi 2/Prime, Mi ¾, Redmi Note 3, Redmi Note 4, Mi 4i, Redmi Note 2, Redmi Note 4G, Redmi Note Prime, Mi Max 32GB, Mi 2/2S, Mi 5, Mi 5s Plus, Mi Note, Redmi 3/Prime, Redmi 3S/Prime, Redmi Note 4 Qualcomm/Redmi Note 4X, Mi Note 2.
1. If your device’s bootloader is unlocked or rooted, you can flash the latest update via fastboot.
Note that fastboot method is a complicated process and would require working knowledge of fastboot and CMD commands. (Source – MIUI)