What are the system versions of Android?

There is actually a 1. 1. ...................

1.5 and 2.0 have little difference, but the details have been patched, which is much better than 2. 1.

Main features of Android 2. 1:

Increase hardware speed

More screen and resolution options

Greatly improved the user interface.

Support Exchange dynamic wallpaper

Improved virtual keyboard

Bluetooth 2. 1

Google map

Android operating system version 2.2.

Changes compared with the previous version:

1, the overall performance is greatly improved.

2, 3G network * * * enjoy functions.

3.Flash support.

4, App2sd function.

5. Brand-new software store.

6. Develop more API interfaces for Web applications.

Android 2.3 is also called Android gingerbread system.

Major updates include:

Games: Added new garbage collection and optimized handling events to improve support for games. Native code can directly access input and sensor events, EGL/OpenGL ES, opengles. New management window and life cycle framework.

Multimedia: Support VP8 and WebM video formats, provide AAC and AMR broadband coding, and provide new audio effects such as reverberation, equalization, virtual headphones and low-frequency enhancement.

Communication mode: Support front camera, SIP/VOIP and NFC (Near Field Communication).

From the user's point of view, the highlights of this update are:

Simplify the interface and speed up:

Faster and more intuitive text input:

One-click text selection and copy/paste:

Improved power management system;

New application management mode:

Native support for front camera, Internet call and NFC (Near Field Communication):

The system natively supports VoIP. You can add their SIP accounts to your contacts and make VoIP calls directly through the system.

Android 2.3 and 2.4 will * * enjoy the gingerbread code name. There won't be much change between the two versions, but there will be many functional updates.

At present, the known updates brought by Android 2.4 include more animation special effects, faster running speed, software call noise reduction, video chat and so on.

At present, the Android system is not perfect ... the performance is wasted seriously. ..................................

PS: Android 3.0 is available, but ................, a tablet-specific system, has high requirements. ..........