If TalkBack is enabled on the LG smartphone, passwords are pronounced by default when you type them. if this is less of a problem at home, it wouldn't be ideal in public if everyone could hear the password, so password pronunciation can be disabled.

Android 9 | LG UX 9.0
Step 1:  Open the  Settings
Step 2:  Tap on  General
Step 3:  Tap on  Accessibility
Step 4:  Tap on  Vision
Step 5:  Tap on  TalkBack
Step 6:  Open the  Settings
Step 7:  Enable or Disable  Speak passwords
  1. Open the Settings
  2. Tap on General
  3. Tap on Accessibility
  4. Tap on Vision
  5. Tap on TalkBack
  6. Open the Settings
  7. Enable or Disable Speak passwords

LG Instructions
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