Setting for Xiaomi

Xiaomi users need to follow these steps to receive messages in background once they quit the app using cleaner.

To enable Autostart
Step 1: Tap on "Security"
Tap on security
Step 2: Select "Permissions"
Select permissions
Step 3: Select "Autostart"
Select autostart
Step 4: Scroll down to find tiger.do and swipe right to enable it.
Scroll down to find tiger.do and swipe right to  enable it.
Step 5: Press
Press
Step 6: tiger.do should be visible under "Apps can autostart"
tiger.do should be visible under apps can autostart
Enable Floating and Lock Screen Notification
Step 1: Open your Phone Settings
Open your Phone Settings
Step 2: Open Apps
Open Apps
Step 3: Open tiger.do
Open tiger.do
Step 4: Select 'Show notifications'
Select Show notifications
Step 5: Turn on 'Floating notifications and lock screen'
Turn on Floating notifications and lock screen
Step 6: Press back
Press back
Step 7: That's it.
That's it.