Apple is preparing to roll out iOS 26.4, and the update adds several small but useful customization tools for iPhone users. These changes focus on visual comfort, battery control, and subtitle appearance. Together, they give users more control over how their iPhone looks and behaves during everyday use.
The update introduces three main customization features. Each one targets a different part of the iPhone experience, from reducing bright interface effects to adjusting battery charging automatically and improving subtitle visibility while watching videos.
iOS 26.4 includes a new accessibility toggle, automation support for battery charge limits, and improved subtitle styling options in the default video player.
Reduce Bright Effects for a calmer interface
iOS 26 introduced the Liquid Glass interface style, which adds reflective highlights and animated effects across buttons and system elements. Some users enjoy the visual design, while others prefer a calmer interface.
Apple now offers a Reduce Bright Effects setting that lowers these flashy elements.
Steps to enable the feature:
- Open Settings
- Tap Accessibility
- Select Display & Text Size
- Turn on Reduce Bright Effects
Once enabled, the system reduces highlighting and flashing when you interact with buttons, keyboards, and other onscreen controls.
Automate battery charge limits
The iPhone already includes a Charge Limit option that lets users stop charging at a certain percentage between 80% and 100%. Charging to a lower level helps protect battery health over time.
With iOS 26.4, Apple adds a new Set Battery Charge Limit action inside the Shortcuts app. This allows users to automate charging levels based on different situations.
Example uses include:
- Charge to 80% when at home
- Charge to 100% when traveling
- Adjust limits depending on Wi-Fi or cellular usage
Steps to create automation:
- Open Shortcuts
- Tap Automation
- Create a new automation
- Add Set Battery Charge Limit
Customize subtitle styles in videos
The system video player now includes new subtitle style options. Users can change how subtitles appear while watching content in Safari, the Apple TV app, and other supported apps.
Available subtitle styles include:
- Classic
- Large Text
- Outline Text
- Transparent Background
Users can also open Manage Styles to adjust subtitle size, background, and formatting inside Accessibility settings.
These small customization changes make iOS 26.4 a practical update for users who want a more comfortable viewing experience and better control over daily iPhone use.