According to the source, in version 9.8.10 MIUI, which is undergoing internal testing, will be a function of “superantigenicity”. It will be activated automatically when the reduction in battery life of up to 10%.
The function involves taking a series of measures to smartphone worked for as long as possible. For this, the system automatically activated the dark theme, turn off background apps, turn off modules and systems, actively consuming battery life (data sync, GPS, vibration motor, even!). Finally, you will see only a limited set of apps — dialer, phone book and text message Manager.
As you can see in the screenshot, in this mode, the smartphone on the residual charge of 10% will be able to work more than a day.