If you want to increase or decrease the text size in EF Hello, you need to change the text size settings of your phone. Please follow the steps below to change the text size:
iOS:
1. Go to the '⚙️ Settings' on your phone
2. Tap on 'Display & Brightness'
3. Tap on 'Text Size'
4. You can change the size by swiping left or right
Android:
1. Go to the '⚙️ Settings' on your phone
2. Tap on 'Display'
3. Tap on 'Font size and style' (or just 'Font size,' depending on your phone model).
4. You can change the size by swiping left or right
Once you're happy with the size, simply exit the settings and your changes will be applied automatically.