How to turn off background restriction on the Xiaomi devices
Have you ever experience about delay in receiving email messages or slower synchronization on the Xiaomi devices?
This issue may caused by Doze feature. If you want to know about Doze feature, please refer to the following link.
In case of Xiaomi devices that use MIUI, you can see separate settings that restrict background services.
To turn off restricting background services in battery saver, please refer to the following steps.
1. Open the Settings menu on your Xiaomi device.
2. Tap Battery & performance from Settings.
3. Tap Manage apps battery usage to save battery by turning off restricting background service of Nine.
4. Tap Choose apps from Manage apps' battery usage.
5. Tap Installed apps and choose Nine.
6. Tap No restrictions. Please note that Nine is no longer affected from Doze feature.