2. Select "Self-starting Management" in "Authorization Management".

3. In the "self-startup management", select the more important apps you need and social software that needs to receive information in real time, allow them to start by themselves, and forbid others. The setting of this place is to prevent many apps from automatically starting when they start, and automatically starting in the background after shutdown.

Red Rice note 4 is a thousand yuan benchmark new machine, which was released by Xiaomi Company and China Mobile on August 25th, 20 16. This product will cooperate with China Mobile Terminal Company and be sold simultaneously in more than 20,000 business halls of China Mobile.

Red Rice note 4 uses MediaTek's Helio X20 ten-core processor and Mali-T880 GPU, and has up to 3GB of running memory (RAM) and up to 64GB of body storage (ROM). 13 megapixel rear lens has a maximum aperture of f/2.0 and is equipped with phase focusing technology. The battery capacity reached 4 100 mAh.

Red Rice Note 4 is equipped with MediaTek Helio X20 10-core 64-bit flagship processor, which adopts 20nm technology and A72 architecture, and the main frequency of a single core is as high as 2. 1GHz. Compared with the mainstream eight nuclear, it has two more high-performance cores, and its performance is improved by 62% compared with the previous generation Helio X 10. Helio X20 divides the 10 core into three files, and switches according to different scenes, which reduces power consumption by 30%, making users play large 3D games more durable and stable.