Hey! Have you tried any of the two following?
Try either of those and let me know if it still doesn't work 😊
Do you mean the Xcover or Xperia (Sony)?
For Xcover, try the following steps:
1. From the home screen swipe down to access settings.
2. Tap the settings icon.
3. Tap Accessibility.
4. Tap Visibility enhancements.
5. Tap Font size and style.
6. Use the slider under the Font size heading to adjust the font size.
Steps complete 😊