Android 4.0–4.0.2 Ice Cream Sandwich (API level 14) review: 37 facts and highlights

Advanced battery information is available, such as the remaining capacity and whether it needs to be replaced.

You can easily manage notifications by adjusting your preferences, and you can also turn them off completely for specific apps.

Dark mode (sometimes known as night mode) changes the background user interface (UI) elements to a darker color scheme, with lighter colored text and icons on top.

AirPlay allows wireless connection of Apple devices with external screens or speakers. You may stream computer screen, video and music from iOS devices, play games like on consoles or present your slideshows easily on your TV.

Dynamic theming takes the colors from your wallpaper and uses these to customize the colors of the device’s user interface (UI) and apps that support the feature.

You can set different focus modes, for example when working or driving. Each mode can be customized, allowing you to block notifications from specific apps, filter calls, or automatically reply to messages (iOS only).

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

It can automatically shoot pictures with a higher dynamic range (HDR).

You can offload apps to free up storage space. This feature removes the data of an app, but keeps the settings intact so that if you reinstall the app at a later time, it will be just how it was before.

This setting (in the default browser) allows you to block cross-site tracking cookies and data to help protect your privacy.

Some apps track your activity even when the app is not in use. This privacy feature allows you to block this tracking, either across all apps or on a per-app basis.

You can enable or disable an app’s access to the camera or microphone on your device. There are also indication icons to show you when an app uses the camera or microphone.

The OS has a feature for tracking the position of a mobile device. This feature is particularly useful if your phone gets stolen or if you lose it.

This privacy feature allows you to share your approximate location with an app instead of your precise location.

This privacy feature alerts you with a small notification when an app copies data from your clipboard.

On-device machine learning is used to recognize people, places, and more in the Photos app. The algorithms run on the device, where this sensitive data is then kept. Competing services upload the photos and perform this on their servers, which requires the sharing of personal data.

Mail Privacy Protection is a feature built into the default email app that blocks senders from using “tracking pixels” to see when you’ve read an email. It also hides your IP address from senders.

A child lock enables adults to prevent or restrict children’s use of the device.

The web browser has automatic word wrap when zooming, the user can easily read long lines without scrolling horizontally.