Vivo

Allow Auto-Start

• New Funtouch OS
  Settings > Additional Settings > Apps > Auto-Start > select the app > enable the toggle
• Funtouch OS 2.6 and Below
  i Manager > App Manager > Auto-Start Manager > select the app > enable the toggle

Pin the App in Recent Apps

• Minimize the app > open the recent apps screen (swipe up from the bottom) > tap the arrow next to the app name > select Lock > a lock icon will appear.
• For devices with a taskbar: minimize the app > on the home screen, swipe up from the bottom > tap the app icon and swipe it downward > tap the lock icon.

Allow Background Power Consumption for the App

Settings > Battery > Background Power Management > select the app > set to Do not restrict background power consumption

Disable Battery Optimization for the App

• Settings > Battery > Battery Optimization > select the app > set to Don’t optimize

Allow Background Operation via Special Access

Settings > Apps > Special Access > Background Operation > select the app > enable the permission

Disable Smart Power Saving for the App

Settings > Battery > Smart Power Saving > select the app > disable the toggle