Instructions

Accessibility Shortcuts
When Accessibility Shortcuts is on, hold down both volumes buttons for 3 seconds to
turn on accessibility function. You can choose shortcut services and turn on/off
"Available Even When the Screen Is Locked".
Go to "Settings" > "Additional Settings" > "Accessibility" > "Accessibility Shortcuts".
Subtitles
You can adjust subtitles on the screen to enhance the watching experience.
Go to "Settings" > "Additional Settings" > "Accessibility" > "Subtitles".
Clean Storage
Cleaning the storage when there is less abundant space for storage to download
apps and restore photos. While Clean Storage will help you detect and remove
unnecessary files, cookie, and cache files to free up more storage.