If we tap twice on the space bar we can automatically insert a punctuation mark (dot).

Android 10 (ColorOS 7.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Additional settings
Step 3:  Tap on  Keyboard & input method
Step 4:  Tap on  Gboard
Step 5:  Tap on  Text correction
Step 6:  Enable or Disable  Double-space period
  1. Open the Settings
  2. Tap on Additional settings
  3. Tap on Keyboard & input method
  4. Tap on Gboard
  5. Tap on Text correction
  6. Enable or Disable Double-space period

Oppo Instructions
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