The LG smartphone's status bar shows the battery level as a percentage, displayed next to the battery icon, but can also be turned off in the settings.

Android 9 (LG UX 9.0)
Step 1:  Open the  Settings
Step 2:  Tap on  General
Step 3:  Tap on  Battery
Step 4:  Enable or Disable  Battery percentage on status bar
  1. Open the Settings
  2. Tap on General
  3. Tap on Battery
  4. Enable or Disable Battery percentage on status bar

LG Instructions
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