Linking a phone number to a Xiaomi account (Mi Account) is a standard procedure when you first turn on a smartphone, which provides additional data protection. However, over time, users face the need to remove the number from their profile: when selling a device, changing the device, changing the phone. SIM-The problem is that Xiaomi doesnβt provide a direct βUntie Numberβ button in the settings β this process requires knowledge of the hidden mechanisms of the system.
In this article, we will discuss 4 formal and informal ways to decouple a phone number from a Mi Account, including methods for cases where:
- π± You have access to your smartphone and password from your account.
- π You forgot your password, but remember the number.
- π΄ The device is locked or lost
- π Replace the number with a new one without losing data
All instructions are up to date for 2026 and tested on devices with MIUI 14/15 (including Xiaomi 13/14, Redmi Note 12, POCO F5).
1.Official method: through Mi Account settings
The safest method is to use built-in MIUI tools, which is suitable if you have:
- π± Physical access to a smartphone
- π Password from Mi Account (or fingerprint/face to unlock)
- πΆ Stable Internet connection (Wi-Fi or mobile network)
Step-by-step:
- Open the Settings β Xiaomi Account (or Mi Account) app.
- Slip on the profile avatar in the upper corner β Account management.
- Select the phone number β click on the tied number.
- In the window that appears, click Remove (or Un Un Untie in new versions of MIUI).
- Confirm the action through SMS-code sent to this number.
Important! After the unbundling, the number will remain in Xiaomiβs system as βinactiveβ for 30 days, during which time you will not be able to link it to another account, and note that some features (such as Find Device) will stop working without the attached number.
βοΈ Preparation for untidying the room
2. Alternative method: via the web version of Mi Account
If you canβt untie your phone for some reason (e.g., the βService is temporarily unavailableβ error), you can use Xiaomiβs web interface, which works even on locked devices if you have access to the email associated with your account.
Instructions:
- Go to account.xiaomi.com from a computer or other phone.
- Sign in to your Mi Account (use an email or old number).
- In the Security section, find the Linked Phone Numbers block.
- Click Delete next to the desired number and confirm the action via SMS or email.
β οΈ Note: If you are trying to delete the system requires you to enter a password from your account, and you forgot it, do not try to pick it up repeatedly - after 5 unsuccessful attempts, Xiaomi will temporarily block access to the account for 24 hours.
What if you donβt receive an SMS with a confirmation code?
3. Untied number without access to the phone (through support)
The situation becomes more complicated if you:
- π Forgot the password from the Mi Account
- π΅ Lost access to the linked number (for example, changed) SIM-map)
- π« You get the error "This device is linked to another account" when you reset
In this case, the only official way is to contact Xiaomiβs support team, but there are nuances:
| Method of treatment | Time limit for consideration | Documents required | Success, % |
|---|---|---|---|
| Chat at mi.com/support | 1-3 days | Photo of passport, purchase check, IMEI device | 60-70% |
| Email at support@xiaomi.com | 3-7 days | Passport scan, video with IMEI and serial number | 80% |
| Feedback form in Mi Community | 5-10 days | Detailed description of the problem + error screens | 40% |
π Key point: Xiaomi support requires proof of ownership of the device. IMEI If you bought your phone with your hands, ask the previous owner to provide it:
- π Photo of a box with a serial number
- π± Screenshot from Settings β The phone. β All characteristics (c) IMEI)
- π³ Check (if saved)
π‘
If support refuses to help, check if your device is a grey batch (brought unofficially), in which case you may need to contact your local Xiaomi distributor in your country.
4.Extreme method: Resetting an account via EDL (for advanced)
If all previous methods fail, you can still reset hardware through EDL (Emergency Download Mode) mode.
- β It works even on locked phones.
- β οΈ Requires special equipment (Qualcomm cable or box)
- π§ Deletes all data from the device
- π¨ Can lead to hard-brick errors
Step-by-step (for devices running Qualcomm processors):
- Download the firmware for your model from the Xiaomi Firmware Updater website.
- Install QDLoader HS-USB drivers and Mi Flash Tool.
- Turn the phone into EDL mode: Turn the device off. Press Volume up + Volume down and connect to the PC. Hold the buttons for 10-15 seconds until the COM port: Qualcomm HS-USB QDLoader 9008 appears.
Mi Flash Tool
Flash
After flashing the phone will boot in a clean state without being tied to the account.
β οΈ Warning: This method violates the warranty and may result in loss IMEI. On devices with Mediatek processors (e.g. Redmi) 9A, POCO M3) instead EDL mode BROM, needing other tools (SP Flash Tool).
π‘
Resetting via EDL is the only way to bypass Mi Account locks on lost/stolen devices, but it requires technical skills. For most users, it's best to contact a service center.
Frequent Mistakes and How to Avoid Them
When untiing the number, users often face typical problems:
| Mistake. | Reason. | Decision |
|---|---|---|
| This device is linked to another account. | The phone was dropped without deleting the Mi Account. | Use Method 3 (Support) or 4 (EDL) |
| "Service temporarily unavailable." | Problems on Xiaomi servers or IP blocking | Try it through a VPN or later. |
| "Incorrect confirmation code" | SMS is delayed or blocked by the operator | Re-request the code or use an alternative email |
| "Account blocked." | Too many attempts to enter a password | Wait 24 hours or restore access via email |
πΉ Hidden nuance: If you're trying to untie a number to sell a phone, don't delete Mi Account completely - the new owner won't be able to activate the device without your help:
- Untie the number (as in method 1).
- Create a new Xiaomi account with the buyerβs email.
- Link your phone to your new account via Settings β Add an account.