Selling a Xiaomi smartphone requires careful preparation to protect your personal data and avoid problems with the new owner.Mere deletion of files or formatting memory is not enough: account traces, app cache, call history and even bank card data remain in the system. An improper reset can lead to the device being locked through the Mi Cloud feature or leaving confidential information in memory.
In this article, you will find a step-by-step guide to fully reset Xiaomi, taking into account all the nuances from backing up important data to checking the device after Hard Reset. We will analyze the features of the reset on different versions of MIUI (including MIUI 14/15), explain how to properly log out of the Mi Account, and warn against the typical mistakes that 90% of sellers make. If you sell the Redmi Note 12, POCO X5 or the flagship Xiaomi 13 series, this guide will be suitable for all models based on Android.
Why is it that normal file deletion is not enough?
Many users mistakenly believe that it is enough to transfer photos to a computer and click "Delete everything" in the settings.
- ๐ฑ Application data (cache, logins, tokens) remain in system folders even after the programs themselves are deleted. For example, WhatsApp stores backup copies of chats in a hidden folder. /sdcard/WhatsApp/Databases.
- ๐ Mi Account is tied to the device's hardware ID. Without properly disconnecting, the new owner won't be able to activate the phone.
- ๐ณ Payment information (Google Pay, bank cards in Mi Pay) can be stored in protected memory areas.
- ๐ก Network settings (saved Wi-Fi passwords, VPN-configurations) remain available after surface cleaning.
According to a study by Kaspersky (2023), 67 percent of used smartphones are left with recoverable personal data after a โregularโ reset, so a complete cleanup requires Hard Reset via Recovery Mode, a method that erases all memory partitions, including system partitions.
Step 1: Backing up important data
All valuable files must be saved before reset, and use a combination of cloud services and local copying:
- โ๏ธ Cloud redundancy: Enable synchronization in Settings โ Xiaomi account โ Mi Cloud (Contacts, Notes, Photos) For Google Data, go to Settings โ Google accounts โ Synchronization.
- ๐พ Local Copy: Connect your phone to your PC via USB-cable in file transfer mode (MTP). Copy the folders. DCIM (Photo/video), Downloads, Documents. SMS and call logs use the Mi Mover app or SMS Backup & Restore.
What is NOT saved when backing up:
- ๐ฎ Game saves (requires a separate backup via Google Play Games or root access).
- ๐ Wi-Fi passwords (they will have to be re-entered on a new device).
- ๐ฑ Lock screen settings (fingerprints, pattern lock).
๐ก
If you have a root access (Magisk), use the Titanium Backup app for a full backup of system data. Without the root, it won't work!
Step 2: Unlocking your Mi Account and Google
This is the most critical stage โ if you miss it, the new owner will not be able to use the phone because of the fact that the phone is not available. FRP-Factory Reset Protection: Xiaomi devices have dual protection: Mi Account and Google Account.
Delete the Mi Account in the settings|Log out of Google account|Disable Find Your Device in Mi Cloud|Delete all fingerprints and PIN-code-->
Instructions for deleting Mi Account:
- Open Settings โ Xiaomi account.
- Click on your profile โ Account management.
- Select Login from your account (on some firmwares - Delete your account).
- Confirm the action with a password from Mi Account.
Google account unbundling:
- Go to Settings. โ Google accounts.
- Select your account โ Delete the account.
- Confirm removal (may require input) PIN-lock-screen).
โ ๏ธ Note: If you have forgotten the password from Mi Account, restore it to account.xiaomi.com. After resetting, it will be impossible to restore access to the account via your phone!
| Action. | Consequences of omission | How to fix it |
|---|---|---|
| Not deleted by Mi Account | The new owner will not be able to log in (will ask for your login / password) | Only through unlocking from the official Xiaomi dealer (paid) |
| Not deleted by Google Account | After reset, you will need to enter your Google password (FRP-block) | Remove via Fastboot or Service Center |
| Find the device not disabled. | You can track the phone of the new owner. | Disable via the web version of Mi Cloud |
Step 3: Completely reset with Recovery Mode (Hard Reset)
This is the only method that guarantees 100% cleanup of all memory partitions, including system files and cache.The instruction is suitable for all Xiaomi, Redmi and POCO models based on MIUI.
Method 1: Through the settings menu (if the phone is working)
- Open the Settings. โ The phone.
- Click 7 times on the MIUI version to activate Developer Mode.
- Return to Settings โ Additional โ Resetting settings.
- Choose to erase all data โ Delete everything.
- Confirm the action by entering PIN-code.
Method 2: Recovery Mode (if the phone is locked or not turned on)
- Turn off the phone.
- Press the Power Button + Volume up for 10-15 seconds at the same time until the Mi logo appears.
- In the Recovery menu, select the language (volume buttons) and confirm Wipe Data.
- Select Wipe All Data โ Confirm.
- After completion, press Reboot.
What to do if Recovery Mode does not open?
โ ๏ธ Note: On some models (POCO F3, Xiaomi 11T) Recovery may require re-activation of the bootloader if the phone doesnโt turn on for longer than 10 minutes, plug it into charging and wait 30 minutes (the first on after the reset takes longer).
Step 4: Checking the device after resetting
After restarting, make sure the phone is fully cleaned and ready to be handed over to the new owner.
- ๐ Account Checker: Go to Settings โ Accounts: there shouldn't be your Mi or Google accounts. Try adding a new account - if the system asks for a password from the old one, the reset is incorrect.
- ๐ฑ Memory Check: Open File Manager โ Folders DCIM, Downloads should be empty. Check the settings. โ Memory โ the occupied space should not exceed 1-2 GB (system files).
- ๐ Checking locks: Make sure the lock screen doesnโt require you to enter your lock. PIN-code or print. Go to Settings. โ Password and security โ all biometric data must be deleted.
Cleanliness test of the device:
- Connect your phone to your PC and check for hidden folders (enable the display of hidden files in Explorer).
- Install any application (such as CPU-Z) and check if there are traces of your data in the device information.
- Create a Mi test account โ if the system allows you to do this without errors, the reset was successful.
๐ก
If after resetting the phone asks to enter a password from the old account, this means that FRP-The only solution is to remember the login data or contact the service center to unlock through the EDL-regime (paid).
Step 5: Additional Security Measures (for Paranoids)
If you sell a phone with sensitive information (such as a corporate device), a standard reset may not be enough, in which case additional measures are recommended:
- ๐ Encrypting data before reset: Activate encryption in Settings โ Additionally. โ Encryption and credentials. Once encrypted, do Hard Reset, which will make it difficult to recover data.
- ๐ Replacement IMEI (Power users only: With the help of the engineering menu (#4636##) or Qualcomm Tools you can reset IMEI factory-wise. โ ๏ธ This is a risky operation โ if the phone fails, it will lose communication!
- ๐ Fastboot Flashback: Install the official firmware via the Mi Flash Tool with the clean all option.This is guaranteed to delete all data, but requires an unlocked bootloader.
For most users, these measures are not required โ just a proper Hard Reset and account unbundling are enough, but if you sell a phone with a history of business use or store critical data on it, the additional steps are warranted.
Typical Mistakes When Resetting Xiaomi Before Selling
Even experienced users sometimes make mistakes that make life difficult for a new owner or compromise your privacy.
- ๐ซ Reset via "Delete everything" in the settings without detachment of accounts โ lead FRP-lockdown.
- ๐ซ Use of Cleanup features in third-party applications (e.g. CCleaner) โ they do not delete system data.
- ๐ซ Selling a phone with "Find the device" enabled" โ You can track the location of the new owner.
- ๐ซ Remove only photos and apps manually โ Cache, logins and history remain.
- ๐ซ Ignoring post-reset inspection โ The risk of transferring a phone with undeleted data.
How do you avoid mistakes?
- Follow the instructions strictly on the steps, not missing points.
- Check each stage: after detachment of accounts, after reset, before transferring the phone.
- If in doubt, take a picture of the screen with the settings after the reset (for example, the "Accounts" section should be empty).