Have you ever noticed a mysterious item in Xiaomi settings? FIDO And they were wondering what it was, and if so, you're not alone, and this technology, despite its importance to security, remains one of the most underappreciated features in smartphones. FIDO (Fast Identity Online is not just another acronym in a long list of technical terms, but an authentication standard that can completely replace passwords on the Internet, making logging into accounts faster and more reliable.
On Xiaomi smartphones (especially in models on the MIUI 12+ hyperos) FIDO It's integrated at the system level, but many users don't even know it exists. FIDO on the Redmi, POCO And Xiaomi's flagships, how it differs from a fingerprint or facial recognition, and why it should be turned on today, and also, to answer the main question: can you do without it? FIDO And what happens if you turn it off.
What is it? FIDO Why do you need it in your smartphone?
FIDO (Fast Identity Online is an open authentication standard developed by the Alliance. FIDO The Alliance (which includes Google, Microsoft, Apple and other giants) aims to eliminate the dependence on passwords that are easy to crack or steal. Instead of entering a combination of characters, you verify your identity with the help of a password:
- π Biometric data (fingerprint, face scan)
- π± Hardware key (built into the smartphone)
- π PIN-code or pattern lock (as a backup version)
On Xiaomi smartphones FIDO implemented through the protocol FIDO2, It supports two key scenarios:
- WebAuthn β authentication on websites (for example, logging into a Google Account or Microsoft 365 without a password).
- CTAP β Using the phone as a physical security key (e.g., to log into corporate systems).
Why does it matter? Because FIDO Phishing makes it almost impossible: Even if a hacker steals your password, they wonβt be able to log in without physically accessing your Xiaomi account.
How FIDO It is different from a fingerprint and a face. ID
Many people confuse FIDO It's not the same as conventional biometrics, but it's fundamentally different technologies:
| Function | Fingerprint / Face ID | FIDO (FIDO2/WebAuthn) |
|---|---|---|
| Appointment | Unlocking the phone, confirming payments | Passwordless authentication on websites and services |
| Where the key is stored | Locally on the device. | Locally on the device. + Synchronization with trusted services |
| Vulnerabilities | You can cheat with a high-quality copy of your fingerprint/face. | Protected against phishing and data interception |
| Browser support | No. | Yes (Chrome, Edge, Firefox) |
In other words, your fingerprint will unlock your Xiaomi. FIDO β Replace passwords when logging into Gmail, Facebook or a banking app, and biometrics can be used as part of the application. FIDO-authentication (for example, to confirm the creation of a key).
β οΈ Attention: If you turn off FIDO In settings, some services (such as Google Password Manager) may no longer offer password-free login, but this does not affect the performance of fingerprint or facial recognition to unlock your phone.
Where to find out. FIDO in Xiaomi settings
Depending on the Xiaomi model and firmware version (MIUI or HyperOS) the path to settings FIDO It might be different. That's where you're looking:
- π± MIUI 12-14: Settings β Passwords and security β FIDO or settings β Google β Managing a Google Account β Security β Security keys
- π HyperOS: Settings β Accounts and synchronization β Security keys or settings β Additionally. β Confidentiality β FIDO
- π POCO/Redmi: Sometimes the item is hidden β use the search by settings (the magnifying glass icon at the top)
If you didn't find FIDO on the menu, that could mean:
- π΅ You have an old firmware (update) MIUI last-minute).
- π Regional restrictions (on some models for China) FIDO switched off).
- π§ Manufacturer has disabled the function (rarely, but it happens on budget models).
Update the firmware to the latest version|Check the firmware region (Global/EU)|Use search by settings|Make sure that sync with Google is enabled-->
How to turn on and set up FIDO Xiaomi
Activation. FIDO Xiaomi takes less than a minute, but requires pre-preparedness:
- Step. 1. Update the firmware Go to Settings β The phone. β Update the system and install the latest version MIUI/HyperOS.
- Step 2: Add a Google Account FIDO It is closely integrated with Google services, so make sure your account is added to Settings. β Accounts and synchronization.
- Step 3. Turn it on. FIDO Go to the settings. FIDO (see the previous section) and activate the switch. The system will prompt you to confirm the action with a fingerprint or PIN-code.
- Step 4. Create a backup PIN It's a must-do! Remember or write it down. PIN β It will be needed to restore access if the biometrics stop working.
After activation, you can use it. FIDO for:
- π Log in to websites via Google Chrome (e.g. Twitter, GitHub).
- π¦ Authorizations in banking applications (if they support) FIDO2).
- π Connections to Enterprise Systems (e.g. Microsoft Entra) ID).
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After inclusion FIDO Sites donβt offer password-free login, clear your browser cache, or try using Chrome in incognito mode.
What Xiaomi models support FIDO
Technology FIDO available on most modern Xiaomi smartphones, but there are nuances:
| Series | Support FIDO | Notes |
|---|---|---|
| Xiaomi 13/14 | β Yes (FIDO2 + WebAuthn) | Full support in HyperOS |
| Redmi Note 12/13 | β Yes. | Requires MIUI 14+ |
| POCO F5/X5 | β Yes. | Included through Google settings |
| Xiaomi 11/12 | β οΈ Partially. | Only FIDO U2F (obsolete) |
| Redmi 10A/9A | β No. | Budget models without hardware support |
To know if your Xiaomi is supported FIDO, check:
- Presence of a paragraph FIDO or security keys in settings.
- The ability to add a security key to your Google Account.
- Support for WebAuthn in the browser (checked at webauthn.io).
β οΈ Note: On some models (e.g. Xiaomi Mi) A3 Android One) FIDO It works differently β through the settings of Google Smart Lock, not through the menu. MIUI.
Security FIDO: Is it possible to cheat the system?
One of the main advantages FIDO It's a high level of security, unlike passwords that you can pick up or intercept, FIDO-keynote:
- π Stored locally β neither Google nor Xiaomi servers have access to your keys.
- π‘οΈ Linked to a device β even if a hacker steals your key, he or she canβt use it without physically accessing the phone.
- π« Invulnerable to phishing β the site can not βcheatβ to get your FIDO-Key, as it happens with passwords.
However, there are risks:
- π± Losing your phone β if you donβt set up a backup PIN If you do not sync your keys to your Google Account, access to the services may be lost.
- π§ Resetting settings - when reset to factory settings, all FIDO-Keys are removed (they cannot be restored!).
- π΅οΈ Social engineering β a scammer can force you to confirm the login on his device (for example, under the pretext of βhelping himβ or βhelping him").
To minimize the risks:
Set up a backup. PIN-code|Enable two-factor authentication (2FA) Google|Do not confirm the entrance on unfamiliar devices|Check the list of trusted keys regularly-->
Frequent problems with FIDO Xiaomi and their solutions
Despite the reliability, Xiaomi users sometimes face errors when working with the company. FIDO. Here are the most common ones and how to eliminate them:
| Problem. | Reason. | Decision |
|---|---|---|
| FIDO left out | Outdated firmware or no Google account | Update. MIUI Add a Google account. |
| Sites do not offer entry to FIDO | Browser cache or incompatible site | Clear the cache or use Chrome in incognito mode |
| The error "Key not found" | Resetting or deleting your Google account | Recover keys with Google Password Manager |
| Biometrics do not work when confirming | Failure of the fingerprint/face sensor | Reboot your phone or re-register your biometrics |
If none of these methods worked, try:
- Delete and re-add your Google account.
- Reset the settings Settings β System system β Resetting settings β Resetting application settings.
- Contact Xiaomi for support (specifying phone model and version) MIUI).
What to do if FIDO It stopped working after the update?
FAQ: Answers to frequent questions about FIDO Xiaomi
Can I use it? FIDO without a Google account?
What happens if I drop my phone to factory settings?
Does he support FIDO Xiaomi Entry into Banking Applications?
Can I reschedule? FIDO-Keys to Xiaomi's new phone?
Is it safe to use? FIDO instead SMS-code?
π‘
FIDO Xiaomi is not just an alternative to passwords, but a more reliable and convenient way of authenticating, and should be enabled at least for critical services (mail, banks, social networks).