Big text size and style in your new iOS device make easy to read and identify for OLD generation and Younger folks as well. Here you will get complete guide on best screen visualization by changing text/ Font size and style (Bold) each apps and Home screen. So try the below steps and Change text size and Style in iOS 9 installed devices (iPhone 6S, iPhone 6S plus, iPhone 5S/5, iPad and iPod Touch). Not new compare to iOS 8, but useful for all who want different/ Professional text size and style in whole devise.
Steps for Change text size and style in iOS 9: iPhone 6S, 6S Plus, iPad, iPod
Not only in new 2015 iOS devices, but also works for older iOS models
Step 1: Go to the Setting app from your iPhone, iPad and iPod Touch.
Step 2: Next, Tap on Display & Brightness for change setting in UI (User Interface)
Step 3: At last of the screen, Set your prefer text size (Slide right for increase size or make small slide to left) and Text type from Bold and Normal.
Change home screen icon on iOS device
Note: official way apple didn’t give option for change text with color option.
Without any third party app and jailbreak you can Change text size and Style in iOS 9 running on all compatible devices.