How many systems do mobile phones have?

There are 5 commonly used systems for mobile phones; they are: Android, iOS, Smartisan OS, Xiaomi MIUI system, and Emotion UI.

1. Android

Android (Android) is a free and open source operating system based on Linux. Mainly used in mobile devices, such as smartphones and tablets, it is led and developed by Google and the Open Handset Alliance. The Android operating system was originally developed by Andy Rubin and mainly supports mobile phones. In August 2005, it was acquired and invested by Google.

2. iOS

iOS is a mobile operating system developed by Apple. Apple first announced this system at the Macworld conference on January 9, 2007. It was originally designed for use with the iPhone, and was later applied to iPod touch, iPad, Apple TV and other products. iOS, like Apple's macOS operating system, is a Unix-like commercial operating system.

3. Smartisan OS

Smartisan OS is a mobile operating system deeply customized based on Android by the Smartisan Technology team led by Luo Yonghao.

On January 18, 2015, at the 2015 Geek Park Innovation Conference, Smartisan OS smartphone operating system of Smartisan Technology (Beijing) Co., Ltd. won the "2014 China Internet Annual Innovation Product Award" and "The Most "Best User Experience Award".

4. Xiaomi MIUI system

MIUI is a third-party mobile operating system under Xiaomi that is deeply optimized, customized and developed based on the Android system. It can bring more considerate Android to domestic users. Smartphone experience.

MIUI is a deeply customized Android mobile operating system based on CyanogenMod. It has significantly modified Android’s native user interface and removed its application list (Application drawer) and added a large number of features from Apple’s iOS. Design elements, these changes have also caused people to compare it with Apple iOS.

5. Emotion UI

Emotion UI is an emotional user interface developed by Huawei based on Android. The original Me Widget integrates commonly used functions in one step; the quick and convenient unified desktop reduces the number of secondary menus; and the colorful and massive themes will more than dazzle you. With intelligent guidance at your fingertips, you can get rid of the novice state in a stylish way. The considerate voice assistant instantly frees your hands. Enjoy the experience anytime, anywhere.

Reference for the above content: Baidu Encyclopedia—Mobile Operating System