How to use split screen without the new miui version.The split screen mode can be used without the new verson. Steps:1. Download and install a application from play store: Button mapper 2. Enable developer options by tapping on miui version3. Go to developer options under additional settings and at the bottom enable - Force activities to be resizable4. Go to securities then permissions - Give permissions to the application Button Mapper5. Launch the application Button mapper it will ask for administrative permissions, allow the admin6. Under Button Mapper go to home button7. Enable customise8. Go to double tab look for split screen and enable by clickThat's all..Open two applications double tab on home screen and good to go... I tried on max2 working fine... Try and comment