How to completely untie your Xiaomi phone from another device: 5 working ways

Why Xiaomi phone can be β€œtied” to another device

Have you noticed that your Xiaomi smartphone duplicates notifications from another phone, automatically syncs photos or even gets blocked when you try to reset?These are signs that the device is tied to another gadget through one of the MIUI services.

Shared Mi Account (if both phones are logged in under the same login), in which case the data is synchronized through Mi Cloud, including contacts, notes and even call history.

Dual Apps, which creates mirror copies of messengers and social networks on the second device, sometimes leading to identity conflicts.

Bluetooth connections with continuous data transfer (for example, via Mi Share or Quick Share).Some Xiaomi models (for example, Redmi Note 12 or POCO X5) automatically retain trust connections between devices.

- Shared Google account with sync enabled. Even if you don't use Xiaomi services, Android can duplicate notifications through Google Play Services.

In this article, we'll look at how to completely break communication between phones, from simple (switch off) to radical (reset to factory settings).

πŸ“Š What kind of attachment problem do you have?
Duplicate notifications
Files are synchronized
Phone is locked when reset
Other behavior

Method 1: Disconnect synchronization with Mi Account

If both phones are linked to the same Mi Account, the first step is to break communication through the cloud.This method works for all models on MIUI 12-14 (including Xiaomi 13T, Redmi Note 11 Pro and POCO F5).

Instructions:

  • πŸ“± Open the Settings. β†’ Accounts and synchronization β†’ Mi Account.
  • πŸ”„ Tap your email account, then select Account Management.
  • πŸ”— Go to the Device (or Security) tab β†’ Device management in global firmware).
  • πŸ—‘οΈ Find the second phone in the list and click Delete (or Sign out).
  • πŸ”’ Confirm the action with a password from Mi Account.

Once removed, the device will disappear from the trusted list, but some data (such as backups) may remain in the cloud to clear it:

  1. Back in the Mi Account β†’ Mi Cloud.
  2. Select the Backup section.
  3. Remove the old backups of the second phone.

β˜‘οΈ Checking for synchronization disconnection

Done: 0 / 4

⚠️ Note: If you use Mi Pay or Mi Home, the device may be blocked from accessing these services. Before deleting, check if smart devices (such as Xiaomi Smart Band or Roborock) are tied to the phone).

Method 2: Breaking Bluetooth Connection and Resetting Trust

If the phones are connected via Mi Share (formerly Xiaomi Quick Share) or standard Bluetooth, they can share files and notifications in the background.

Step 1. Turn off automatic transmission:

  • πŸ“² Go to Settings. β†’ Connections and sharing β†’ Mi Share.
  • πŸ”„ Turn off the slider Automatic file reception.
  • πŸ—‘οΈ Click Clear History to Delete Transmission Logs.

Step 2: Reset your Bluetooth trust devices:

  • πŸ”΅ Go to Settings. β†’ Bluetooth.
  • πŸ” Find the second phone in the list of associated devices.
  • ❌ Slap the icon. βš™οΈ Next to the name and select Delete (or Forget the device).
  • πŸ”„ Reboot both phones.

For models with IR-port (e.g. Redmi) 9A or POCO M3) Also check the Settings section. β†’ Infrared port – sometimes devices keep communication through it.

Xiaomi modelType of connectionHow to turn off
Xiaomi 12/13 seriesMi Share (Wi-Fi Direct)Settings β†’ Connections β†’ Mi Share β†’ Disable
Redmi Note 10/11Bluetooth + Quick ShareRemove the device in Settings β†’ Bluetooth
POCO X3/X4Google Fast ShareSettings β†’ Google β†’ Devices and Sharing
Xiaomi Pad 5/6Mi Cloud + BluetoothUntie in Mi Account and reset Bluetooth

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If the phones still "see" each other after Bluetooth is turned off, check Location Settings (GPS).Some MIUI features use geodata to automatically connect to nearby devices.

Method 3: Delete duplicate Google accounts

Even if you don’t use Xiaomi services, a Google account can sync data between phones, for example, notifications from Gmail, YouTube or Google Photos will be duplicated.

How to turn it off:

  1. πŸ“± Go to Settings. β†’ Accounts and synchronization β†’ Google.
  2. πŸ” Select the account that is used on the second phone.
  3. πŸ”„ Turn off sync for unnecessary services (e.g. Contacts, Calendar, Google Photos).
  4. πŸ—‘οΈ Click Delete your account (if you don’t need it on this device).

If you use your account for Google Play, you don't have to delete it, you just have to turn off sync.

  • πŸ”’ On the second phone, change the password from your Google account.
  • πŸ“± On the first phone, exit the account (Settings) β†’ Google β†’ Managing a Google Account β†’ Get out).

⚠️ Warning: Deleting Google Account from Xiaomi Phone Could Lead to Reset FRP (Factory Reset Protection: If you forget the login details, it will not be possible to unlock the device after resetting!

Method 4: Reset network settings (to eliminate background synchronization)

If phones continue to communicate over Wi-Fi or mobile internet, the problem may be network settings, such as some Xiaomi models automatically connect to Wi-Fi Direct or Hotspot of another device.

How to reset your network settings:

  1. πŸ“Ά Go to Settings. β†’ SIM-maps and mobile networks β†’ Resetting network settings (or Settings) β†’ System system β†’ Resetting settings β†’ Reset Wi-Fi, mobile network and Bluetooth).
  2. πŸ”„ Confirm the reset (you will need to enter a pattern lock or PIN).
  3. πŸ”’ After restarting manually connect to the desired networks.

This method also removes:

  • πŸ“‘ Saved Wi-Fi networks and passwords.
  • πŸ“± Bluetooth settings (including coupled devices).li>
  • πŸ“Ά Mobile network parameters (APN, regimes 4G/5G).
What if after the network reset, the phone does not connect to Wi-Fi?
If Xiaomi does not see the network after the reset, check: 1. Is Flight Mode enabled (Settings) β†’ Flight mode). 2. Is the firmware updated (Settings) β†’ The phone. β†’ System updates). 3. Are there any restrictions on MAC-address on the router (sometimes) MIUI changer MAC If the problem persists, try manually adding a network with Security Type and Password.

Method 5: Complete reset to factory settings (radical method)

If no one has worked, then hard reset, which is factory reset, will delete all data, including attachments to other devices, but require backup.

Step-by-step:

  1. πŸ“± Backup important data (Settings) β†’ The phone. β†’ Backup or through Mi Cloud).
  2. πŸ”„ Go to Settings. β†’ The phone. β†’ Resetting settings.
  3. πŸ—‘οΈ Select to delete all data (or Factory data reset).
  4. πŸ”’ Enter the password from Mi Account (if requested) and confirm the reset.

Once you reboot, the phone will look like new. Importantly, if the device has enabled Find Device, you'll need to reset the Mi Account that was tied to the last one, and you won't be able to unlock the phone without that!

For models with bootloader lock (such as Xiaomi 12S Ultra or Black Shark 5) after reset, you may need to re-authorize in the Mi Unlock Tool.

πŸ’‘

Resetting to factory settings is the only way to guarantee that all bindings are removed, but it erases all data. Use it only if other methods have failed.

Frequent Mistakes and How to Avoid Them

When untied, Xiaomi phones often face typical problems, and here’s how to solve them:

1.The phone requires an old Mi Account after a reset

If you bought a used device and it asks for the data of the previous owner, contact him to debunk via https://account.xiaomi.com. If this is not possible, contact Xiaomi with proof of purchase (check, contract).

2. notifications are duplicated even after the synchronization is disabled

Check the settings of specific applications (such as WhatsApp or Telegram). Some messengers have the option Multidevice, which duplicates messages on all authorized gadgets.

3. Cannot remove the device from the Mi Cloud

Sometimes Xiaomi's server fails.

  • 🌐 Use the web version https://i.mi.com (Find Device section).
  • πŸ“± Update the Mi Account app on Google Play.
  • πŸ”„ Switch to mobile internet (sometimes Wi-Fi blocks access to Xiaomi servers).

4.Photos or contacts disappeared after the junction

If your data was only stored in the cloud, restore it through Mi Cloud β†’ Recycle Bin (files are stored there for 30 days). For contacts, check Google Contacts β†’ Archive.

FAQ: Answers to Frequent Questions

Can I untie a Xiaomi phone without access to a second device?
If you have access to the Mi Account that the second phone used, you can delete the device via the web version of i.mi.com. If the account is not yours, contact the previous owner or provide proof of purchase in support of Xiaomi.
Why do phones sync after Bluetooth is turned off?
It's probably synced through Mi Cloud or Google. Check your cloud settings (Accounts and Sync) and turn off automatic data transfer. Also make sure both phones turn off Mi Share.
How to check if my Xiaomi is tied to another phone?
Go to Settings β†’ About Phone β†’ Status and scroll to the Mi Account or Devices section. There will be a list of related gadgets. Also check Settings β†’ Connections β†’ Mi Share β†’ Transmission History.
What if you reset your phone and ask for a password from your old account?
This is FRP-blocking (Factory Reset Protection). If you do not know the data of the previous owner, contact the service center Xiaomi with documents on the phone.
Can I untie my phone through my computer?
Yes, if you have access to Mi Account. Go to https://account.xiaomi.com, log in and delete an unnecessary device in the Security β†’ Device management section. Some actions (such as resetting a password) may require confirmation via SMS or email.