k40 needs to update MIUI12.5 system to add multi-screen collaboration.
As a flagship cost-performance mobile phone brand, Redmi K40 this mobile phone is still very willing to load materials in hardware configuration, equipped with Snapdragon 870 chip, the full system standard LPDDR5 memory and UFS 3.10 flash memory, also has a 6.67 inch Samsung E4 straight screen, support 120Hz refresh rate.
Supportive. Tapping the APP will pop up and select multiple screens, and then select the APP you want to interact with.