After latest update

Read and use what is applicable to you. --> Hear iPhone speak the screen, selected text, and typing ...

Change the speech settings

1. Go to Settings  > Accessibility > Spoken Content.
2. Adjust any of the following:

• • Speak Selection: To hear text you selected, tap the Speak button.
  • Speak Screen: To hear the entire screen, swipe down with two fingers from the top of the screen.
  • Speech Controller: Show the controller for quick access to Speak Screen and Speak on Touch.
  • Highlight Content: iPhone can highlight words, sentences, or both as they’re spoken. You can change the highlight color and style.
• Typing Feedback: You can configure typing feedback for software and hardware keyboards and choose to have iPhone speak each character, entire words, auto-corrections, auto-capitalizations, and typing predictions.
  • To hear typing predictions, you also need to go to Settings > General > Keyboards, then turn on Predictive.
  • Voices: Choose a voice and dialect.
  • Speaking Rate: Drag the slider.
  • Pronunciations: Dictate or spell out how you want certain phrases to be spoken.