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size, and caption style.
1. From the Home screen, swipe up to access Apps and tap Settings .
2. Tap Accessibility > Caption preferences.
3. Slide the switch to the On position to show captions.
4. Tap Caption size and style to set the default text size and style.
RTT Call Button
1. From the Home screen, swipe up to access Apps and tap Settings .
2. Tap Accessibility > RTT Call Button.
3. Manage RTT (Real-Time Talk) call options.
• Tap RTT operation mode and select Visible during calls to have access
to the RTT call button during calls.
• Tap Always Visible to always have access to the RTT call button, and to
turn the transcript of history on and off.
Audio adjustment
Quickly access accessibility features
1. From the Home screen, swipe up to access Apps and tap Settings .
2. Tap Accessibility > Audio adjustment.
3. Slide the switch to the On position to enable combining channels
when playing audio (Mono audio).
4. Drag the slider to adjust the audio balance from left to right.