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Bitwarden iOS app won’t authenticate with YubiKey NFC 5 #1161

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opened 2025-11-26 22:40:43 -06:00 by GiteaMirror · 3 comments
GiteaMirror commented 2025-11-26 22:40:43 -06:00
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Originally created by @kland23 on GitHub (Dec 24, 2020).

When trying to log into the Bitwarden iOS app it prompts for the YubiKey 5 NFC but will not recognize the key.

image

Actions Taken

  • Deleted and reinstalled app

  • Hard reset iPhone

  • Tested the YubiKey with Yubico Authenticator app on the same device and the key was successfully recognized

Originally created by @kland23 on GitHub (Dec 24, 2020). When trying to log into the Bitwarden iOS app it prompts for the YubiKey 5 NFC but will not recognize the key. ![image](https://user-images.githubusercontent.com/64702629/103107401-8a0ebd00-4603-11eb-998f-ef8c9e64e87b.jpeg) **Actions Taken** - Deleted and reinstalled app - Hard reset iPhone - Tested the YubiKey with Yubico Authenticator app on the same device and the key was successfully recognized
GiteaMirror commented 2025-11-26 22:40:44 -06:00
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@Greenderella commented on GitHub (Dec 25, 2020):

Hi @kland23

As per my current testing YubiKey 5 NFC is working as expected on iOS 14.3 with an iPhone SE 2020 and Bitwarden 2.7.2 (https://drive.google.com/file/d/1G6km8zcYdAHG09PhmlG_g1I_XKQHftyu/view?usp=sharing), you just need to hold it in the correct spot at the back of the device, near the camera.

Please make sure that your device supports NFC, and that you have your key is correctly configured as Yubico OTP and not FIDO U2F.

Remember that if you are self-hosting then you will need to configure the YubiKey API credentials in your environment variables. Please refer to this article for more detailed instruction: https://bitwarden.com/help/article/environment-variables/.

Try downloading the YubiKey Manager (https://www.yubico.com/products/services-software/download/yubikey-manager/) and make sure every box is checked like this:

image

Also, the YubiKey personalization tool (https://www.yubico.com/products/services-software/download/yubikey-personalization-tools), will let you configure with slot to use over NFC. Most likely, the slot that contains the credential needed for your Bitwarden account is in slot 1, so please try following through the steps on https://support.yubico.com/hc/en-us/articles/360016614700 to configure it.

If it's blank like in this page, just press the Program button:

image

@Greenderella commented on GitHub (Dec 25, 2020): Hi @kland23 As per my current testing YubiKey 5 NFC is working as expected on iOS 14.3 with an iPhone SE 2020 and Bitwarden 2.7.2 (https://drive.google.com/file/d/1G6km8zcYdAHG09PhmlG_g1I_XKQHftyu/view?usp=sharing), you just need to hold it in the correct spot at the back of the device, near the camera. Please make sure that your device supports NFC, and that you have your key is correctly configured as **Yubico OTP** and not FIDO U2F. Remember that if you are self-hosting then you will need to configure the YubiKey API credentials in your environment variables. Please refer to this article for more detailed instruction: https://bitwarden.com/help/article/environment-variables/. Try downloading the **YubiKey Manager** (https://www.yubico.com/products/services-software/download/yubikey-manager/) and make sure every box is checked like this: ![image](https://user-images.githubusercontent.com/5418577/103139737-9b2cfc00-46df-11eb-876b-a60f6f7e0e04.png) Also, the **YubiKey personalization tool** (https://www.yubico.com/products/services-software/download/yubikey-personalization-tools), will let you configure with slot to use over NFC. Most likely, the slot that contains the credential needed for your Bitwarden account is in slot 1, so please try following through the steps on https://support.yubico.com/hc/en-us/articles/360016614700 to configure it. If it's blank like in this page, just press the **Program** button: ![image](https://user-images.githubusercontent.com/5418577/103139820-8ef56e80-46e0-11eb-938a-3719f92d0b3f.png)
GiteaMirror commented 2025-11-26 22:40:44 -06:00
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@myhau commented on GitHub (Jan 5, 2021):

I had a similar issue with YubiKey 5C NFC. NFC OTP was disabled by default in YubiKey Manager (Interfaces tab). This tip from @Greenderella solved the problem for me:

Try downloading the YubiKey Manager (yubico.com/products/services-software/download/yubikey-manager) and make sure every box is checked like this:

@myhau commented on GitHub (Jan 5, 2021): I had a similar issue with YubiKey 5C NFC. NFC OTP was disabled by default in YubiKey Manager (`Interfaces` tab). This tip from @Greenderella solved the problem for me: > Try downloading the YubiKey Manager (yubico.com/products/services-software/download/yubikey-manager) and make sure every box is checked like this: > > ![](https://user-images.githubusercontent.com/5418577/103139737-9b2cfc00-46df-11eb-876b-a60f6f7e0e04.png)
GiteaMirror commented 2025-11-26 22:40:45 -06:00
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@clayadams5226 commented on GitHub (Jan 8, 2021):

Thank you for getting in touch and bringing this to our attention! We'd like to assist you further. We ask that you please contact us using our contact page, here: https://bitwarden.com/contact. You can include a link to this issue in the message content. The issue here will be closed and moved over to our Help Desk.

@clayadams5226 commented on GitHub (Jan 8, 2021): Thank you for getting in touch and bringing this to our attention! We'd like to assist you further. We ask that you please contact us using our contact page, here: https://bitwarden.com/contact. You can include a link to this issue in the message content. The issue here will be closed and moved over to our Help Desk.
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Reference: github-starred/android#1161
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