Useful user guides by topics:

1. First time registration 首次登記 (Select I have a tablet when asked for your phone number, as the number is not required)
2. Switch to a new phone (with old phone) 轉換到新手機 (舊手機仍運作)
3. Switch to a new phone (without old phone) 轉換到新手機 (沒有舊手機)
4. Various ways to pass Duo 2FA for authentication 通過雙重認證的各種方法
5. Setup Department/Project/Organization account 2FA for colleagues/teammates 為同事/組員設置部門/項目/組織帳戶雙重認證
6. Setup 2FA for multiple accounts on phone 在同一手機上為不同帳戶設定雙重認證

 

FAQs:

1. How to login via 2FA if my phone is temporarily out of order? 如何在手機暫時失去功能的情況下通過雙重認證?
2. How to retrieve Rescue Code and use it to get Bypass Code? 如何獲得救援代碼和利用其生成略過/旁路代碼?
3. I was asked to enter Bypass Code, what does it mean? 為何登入後被要求輸入略過/旁路代碼?
4. Why does it say Not enrolled in Duo when I try to log into University applications? 為何嘗試登入學校系統後顯示未注冊 Duo?
5. Why showing Account disabled after CUHK Login? 為何登入後顯示帳戶已停用?
6. Why Duo Mobile cannot be installed on my phone? 為何我的手機安裝不了 Duo Mobile?
7. If you need to change your mobile device but for some reasons cannot get Bypass Code using your CUHK Link Card (e.g. Card is expired or lost), please contact ITSC via Online Service Desk (Guest)

 

Tips for Overseas students:

1. Do I need to reconfigure/reinstall DUO 2FA after I change my SIM card? 更換 SIM 卡後，我需要重新設定或重新安裝 DUO 雙重驗證嗎?
   Ans: No, it is not required.
   答：不需要。
2. Does Duo Mobile support all mobile phones? Duo Mobile 是否支援所有手機?
   Ans: Duo Mobile currently does not support ChromeOS or Huawei. Duo does not provide official support for non-standard custom Android distributions like OnePlus, LineageOS or ColorOS. For details, please read this KB.
   答：Duo Mobile 目前不支援 ChromeOS 或華為設備，並且不會對非標準定制的 Android 系統 (如 OnePlus、LineageOS 或 ColorOS) 提供官方支援。如需了解詳情，請參閱此知識庫文章。 

 

For other helps or enquiries, please contact ITSC at Online Service Desk (Guest) if necessary.

 

#Duo 2FA #first reg #change phone #bypass code #not enrolled