# Device

- [Device Development Overview](device-dev-guide.md)
- Learn About OpenHarmony
  - [OpenHarmony Community](../OpenHarmony-Overview.md) 
  - [Glossary](glossary/glossary.md) 
  - [Release Notes](../release-notes/Readme.md) 
- Quick Start
  - [Mini and Small Systems](quick-start/quickstart-lite.md)	
  - [Standard System](quick-start/quickstart-standard.md)
- Compatibility and Security
  - [Privacy and Security](security/Readme-EN.md)
- Porting
  - [Third-Party Library Porting Guide for Mini and Small Systems](porting/porting-thirdparty.md)
  - [Mini System SoC Porting Guide](porting/porting-minichip.md)
  - [Small System SoC Porting Guide](porting/porting-smallchip.md)
  - [Standard System SoC Porting Guide](porting/standard-system-porting-guide.md)	 	
- Subsystem Development
  - Kernel
    - [Kernel for the Mini System](kernel/kernel-mini.md)
    - [Kernel for the Small System](kernel/kernel-small.md)
    - [Kernel for the Standard System](kernel/kernel-standard.md)
  - [Driver](driver/Readme-EN.md)	
  - [Compilation and Building](subsystems/subsys-build.md)
  - [Distributed Remote Startup](subsystems/subsys-remote-start.md)
  - [Graphics](subsystems/subsys-graphics.md)	
  - [Multimedia](subsystems/subsys-multimedia.md)	
  - [Utils](subsystems/subsys-utils.md)
  - [AI Framework](subsystems/subsys-aiframework.md)	
  - [Data Management](subsystems/subsys-data.md)
  - [Sensor](subsystems/subsys-sensor.md)
  - [USB](subsystems/subsys-usbservice.md)
  - [Application Framework](subsystems/subsys-application-framework.md)
  - [OTA Upgrade](subsystems/subsys-ota-guide.md)
  - [Telephony Service](subsystems/subsys-tel.md)
  - [Security](subsystems/subsys-security.md)
  - [Startup](subsystems/subsys-boot.md)
  - [DFX](subsystems/subsys-dfx.md)
- Featured Topics
  - [HPM Part](hpm-part/Readme-EN.md) 	 	
  - Device Development Examples	 
    - [Mini- and Small-System Devices](guide/device-lite.md)	
    - [Standard-System Devices](guide/device-standard.md)
- Debugging
  - [Test Subsystem](subsystems/subsys-testguide-test.md)	
  - [R&D Tools](subsystems/subsys-toolchain.md)
- XTS Certification	
  - [XTS](subsystems/subsys-xts-guide.md)	
- Tools
  - [Docker Environment](get-code/gettools-acquire.md)
  - [IDE](get-code/gettools-ide.md)
- Hands-On Tutorials	
  - [Samples](https://gitee.com/openharmony/app_samples/blob/master/README.md) 
  - [Codelabs](https://gitee.com/openharmony/codelabs/blob/master/README.md)  
- References
  - [FAQs](faqs/Readme-EN.md)
- Contribution
  - [How to Contribute](../contribute/contribution.md)