9月28日訊息深度作業系統今天釋出深度作業系統 20（1003）內測活動招募說明，獲悉，本次作業系統將新增手機助手，支援安卓和iOS端，方便管理手機應用、檔案等。

內測說明地址：https://bbs.deepin.org/forum.php?mod=viewthread&tid=202861

更新說明：

1、新增手機助手，支援安卓和iOS端，方便管理手機應用、檔案等

2、優化列印預覽，包括設定列印份數、頁碼範圍、列印方向

3、優化時間日期設定，支援設定時間格式

4、優化計算器，增加科學計算功能

5、優化硬體相關功能，包括電源、聲音、Wi-Fi等

6、優化系統性能，提升整體流暢度

7、優化更新部分深度應用，包括選單佈局、互動體驗等

8、修復上個版本釋出後用戶反饋部分問題

更多功能等待你去探索體驗

升級方法：

1、將系統修改為內部測試源，終端執行以下命令：

sudo dedit /etc/apt/sources.list

2、然後使用以下內容覆蓋sources.list檔案，然後儲存並退出。

## Generated by deepin-installer

deb [by-hash=force] https://community-packages.deepin.com/deepin/ apricot main contrib non-free

#deb-src https://community-packages.deepin.com/deepin/ apricot main contrib non-free

deb[trusted=yes]https://proposed-packages.deepin.com/dde-apricotunstablemaincontribnon-free

3、在終端執行以下命令：

sudo apt-get update && sudo apt-get dist-upgrade （可能需要登出重啟）

Hi everyone, to ensure the quality of Deepin 20 (1003) coming soon, we're going to start the internal test of Deepin 20 (1003). Hope all internal test group members take an active part in this activity. Thank you!

For procedures and details of the internal testing, please visit:

https://bbs.deepin.org/forum.php?mod=viewthread&tid=202957

Changelog:

1. Added the Phone Assistantapp, which supports managingapplications, files,songsetcon Android and iOS phones.

2. Optimizedthe print preview, including the number of print copies, page number range, and printing direction.

3. OptimizedtheDate and Timemodule, which supportstime formatsettings.

4. Optimized theCalculatorapp,supportingscientific calculationnow.

5. Optimizedhardware related functions, including power, sound, Wi-Fi.

6. Optimizedsystem performance and improvedoverall fluency.

7. Optimizedsomedeepin applications, including menu layout, interactive experience.

8. Fixedsome problems fromuser feedback after the release of the last version.

Got to explore more features!

https://shimo.im/docs/k9pSakXhhmA6MbY4

Upgrade method:

1.Change the sources, run in terminal:

sudo dedit /etc/apt/sources.list

2.Paste the following contents to sources.list, then save and exit.

## Generated by deepin-installer

deb [by-hash=force] https://community-packages.deepin.com/deepin/ apricot main contrib non-free

#deb-src https://community-packages.deepin.com/deepin/ apricot main contrib non-free

deb[trusted=yes]https://proposed-packages.deepin.com/dde-apricotunstablemaincontribnon-free

3.Executesudo apt-get update && sudo apt-get dist-upgradecommand in terminal. After upgrade successful, please reboot your computer.