China Naming Network - Weather knowledge - What are these folders for?

What are these folders for?

Android_secure files such as Android security.

Icmweather likes cool weather? Your software has

Sohu news cache

Android system comes with

Bluetooth bluetooth

DCIM stores photos taken by mobile phones.

Dolphin Browser What is Dolphin Chinese Browser?

QQ browser QQ browser

Qzone QQ space

Tencent Tencent,

Ying Yonghui said upstairs, apply vocabulary.

The software installed on the mobile phone will have corresponding folders, which can be identified by name. Folders or subfolders with caches are caches and can be deleted. Others depend on the situation. ...