It's normal, you have to start the user experience plan to receive the push. It's not the official version yet, and it's still being tested, so there is no need for large-scale push. Before the official version went online, most users could not receive the push.

MIUI 9 also moderately streamlined and slimmed down the system, and there may be no obvious visual changes, but you will experience a new feeling of being more stable, smooth and power-saving than before in daily use.

Accelerating application startup is an evaluation of system explosiveness. MIUI 9 is deeply optimized from the bottom of the system. By adopting new file system, touch screen feedback optimization, CPU intelligent speed-up, thread scheduling optimization and other technologies, system-level startup acceleration is realized.

MIUI 9 has made system-level application startup acceleration optimization. Whether it is a MIUI system application or a third-party application and game submitted by a developer, when you click Open, you will feel amazing startup response speed. Really make the application start as fast as lightning.

MIUI 9 adopts dynamic resource allocation technology, which can give priority to meet the resource requirements of current applications and ensure smooth operation. In daily use, such as playing games in the foreground and downloading videos in the background, MIUI9 will give priority to meeting the needs of playing games. No matter how the resource requirements of various background applications fluctuate, the current operating experience will always be smooth and fast.