A:Answer Hello Victoria,
You can try to change it by going to your Amazon Video Settings. Go to Subtitles Preferences. Use the Edit button to configure your presets. You can change the text color, style, size, and more. For more questions and product support you may contact our customer service at 1 (877) 467-4289 Daily 8am - 9pm CT.
Chelsea
Insignia Support
http://www.insigniaproducts.com/