A. 1. Adjust your device's display settings by going to Settings > Display & Brightness and increasing the text size. 2. Use the zoom feature on your iPhone by going to Settings > Accessibility > Zoom and enabling it.
B. 1. If the chat is still hard to read, consider using the in-game settings to change the chat display options, if available. 2. Engage with other players verbally or through other means if chat becomes too cumbersome.