How to Clean Xiaomi Phone Before Selling: Complete Data Reset and Deletion

Selling a Xiaomi smartphone requires careful preparation to ensure that new owners do not gain access to your personal data, and the device works steadily. Even after a standard reset via the settings menu, snippets of information can remain in the phone’s memory: photos in hidden folders, app cache, Mi Account or Google account data. And if you used features like Find Device or Mi Cloud, the phone can remain tied to your profile, blocking the activation for the new user.

In this article, Xiaomi’s step-by-step cleanup algorithm (including Redmi, POCO, Black Shark models) that ensures that all data is deleted without recovery. We’ll look at not only standard menu resets, but also deep cleanups via Fastboot, deleting your Mi Account account (even if you forgot your password), and checking for residual files.

⚠️ Warning: If you sell Xiaomi with a faulty screen or locked system access, a standard reset via the menu is not possible. EDL (You will find a description of this method in the last section of the article.

1.Dumping Preparation: What to Do Before Cleaning

Before you drop your phone, follow a few critical steps that can cause data loss or problems with the new owner activating the device.

✅ Back up all the important data, even if you plan to transfer files to a new phone, check it out:

• 📸 Photos and videos – especially in folders DCIM/Camera, Pictures/Screenshots and WhatsApp/Media (if you used a messenger).
• 📱 Contacts and Messages – Export through Google Contacts or Mi Mover App.
• 🔑 Passwords and application data – check saved logins in Settings → Passwords and security → Password management.
• 🎮 Save Games – If you’re playing Genshin Impact, Honkai: Star Rail, or other account-based projects, make sure your progress is synced with your servers.

🔧 Untie the device from accounts:

• 📧 Delete your Google account in Settings → Accounts. → Google (click on the account) → Delete the account).
• 🔄 Turn off Mi Cloud sync in Settings → Xiaomi account → Mi Cloud → Synchronization.
• 🔒 Deactivate Find Device (similar to Find My iPhone) in Settings → Xiaomi account → Find Device.

Delete SIM-memory-card|Backup in Mi Cloud or on PC|Unplug all accounts (Google, Mi, social networks)|Write it down. IMEI telephone (in case of lockdown)|Check the balance of Mi Pay and Mi Credit (if used)-->

⚠️ Note: If you sell Xiaomi with the Mi Pay feature, be sure to remove all associated bank cards in the Mi Pay app. Otherwise, the new owner will be able to pay with your funds through your payment system. NFC, until the card is blocked by the bank.

2. Standard reset via the settings menu

This is the easiest way for most users to do this, which deletes all data except system files and returns the phone to factory status. However, on some Xiaomi models (especially those with MIUI 12-14 firmware), the Mi Account may remain attached after such a reset, blocking the activation for the new owner.

📱 Resetting instructions:

1. Open Settings → About the phone → Reset settings.
2. Select to erase all data (factory recovery).
3. If you ask. PIN-code or pattern lock, enter it.
4. Confirm the action by clicking Delete Everything.
5. Wait for the process to be completed (5-15 minutes) and the phone will restart.

🔍 What the new owner checks after buying:

• 🔓 No request for a Mi Account password when you first set up.
• 📱 You can add your Google account without errors.
• 🔄 Lack of sync with your data (for example, re-establishing old contacts).

💡

If the phone asks to enter the password from the old Mi Account after the reset, the link is not deleted, in which case you will need to reset via Fastboot (section 4) or contact Xiaomi to unlock.

3.Deleting Mi Account: Why it's critical

Mi Account is the main trap in selling Xiaomi. If you don’t delete it before resetting, the new owner won’t be able to activate the phone: the first time you set up the system, you’ll need to enter your account login and password, which is called FRP-blocking, and it works even after a complete reset.

🔑 How to Delete Mi Accounts correctly:

1. Go to Settings → Xiaomi account.
2. Click on the profile icon in the upper right corner → Exit.
3. Return to Settings → Xiaomi Account → Delete your account.
4. Confirm the deletion via SMS or password.

❌ What to do if you don’t remember your Mi Account password:

• 🔄 Try to restore access through the official Xiaomi website (section "Forgot password?»).
• 📧 If you have a mail or phone number attached, the confirmation will come there.
• 🚨 If recovery is not possible, only a Fastboot reset (Section 4) or a proof of purchase request to the service center remains.

⚠️ Note: On Chinese firmware phones (such as models for the Chinese market), deleting Mi Account can be blocked. MIUI via Fastboot.

4. Deep cleaning through Fastboot (for power users)

If a standard reset didn’t help remove the Mi Account binding or you want to guarantee that all data (including system partitions) will be erased, use Fastboot Cleanup.This method is suitable for all Xiaomi models, but requires a PC and installed ADB/Fastboot drivers.

🖥️ What's the matter:

• 💻 Computer with Windows/Linux/macOS.
• 🔌 Cable USB (preferably original).
• 🛠️ Utilities. ADB Fastboot (you can download from the Android Developers website).
• 🔋 Charging the phone at least 50%.

📝 Step-by-step instruction:

1. Turn off the phone. Press the Power button + Volume down to enter the Fastboot.
2. Connect your phone to your PC. Open the command line (or Terminal) in the ADB folder.
3. Check the connection command: fastboot devices must display the serial number of the device.
4. Complete cleanup: fastboot erase userdata fastboot erase cache fastboot erase frp Last command deletes FRP-lock (link to Mi Account).
5. Reboot the phone: fastboot reboot

🔧 Additional commands for "hard" reset:

Yeah, and then I regretted it.|Yeah, but nothing critical happened.|No, I always do.|I haven't sold yet.-->

Verification for residual data after discharge

Even after a complete reset, the phone may still have tails, such as app cache, temporary files, or data in hidden partitions. To make sure the device is truly clean, do a few checks.

🔍 How to check the cleaning:

• 📁 Connect your phone to your PC and check the Internal Storage folders through the Explorer. They should be empty (except for system folders like Android or Android). MIUI).
• 🔎 Use a memory scanning app, such as Files by Google or SD Maid to find residual files.
• 🛡️ Check if your phone asks for a Mi Account password when you first set up.
• 📡 Make sure that in the settings → Wi-Fi does not have any saved networks with your names.

🔧 What to do if you find residual data:

• 🗑️ Remove them manually through a Explorer or File Manager.
• 🔄 Repeat the reset via Fastboot (section 4).
• 📦 If there are files left in /sdcard/, perform formatting through TWRP (if established).

💡

Even after being reset via Fastboot, some data can be recovered from Mi Cloud backups unless you have disabled sync beforehand.Always check the phone for residual files!

6. Features for different Xiaomi models

The cleaning process may vary depending on the model, regional firmware and MIUI version. Below are the key nuances for popular lines.

📱 Redmi Note 10/11/12 series:

• 🔓 These models often work. FRP-lock even if Mi Account is deleted Solution: Fastboot reset with fastboot erase frp command.
• 📡 After the reset, you may need to manually activate the Wi-Fi and mobile network again.

📱 POCO F3/F4/F5:

• 🔧 These phones often come with an unlocked bootloader, making it easier to clean through Fastboot.
• 🔋 Nana POCO s MIUI for POCO Reset can take up to 20 minutes – do not interrupt the process!

📱 Xiaomi 12/13/14 series):

• 🔒 On the flagships with MIUI 14+ Additional confirmation via Mi Account may be required even after the reset.Solution: delete the account before clearing.
• 📸 The gallery of these models has a feature Hidden Albums - check that they are empty before resetting.

📱 Phones for the Chinese market (CN-firmware):

• 🚨 On these devices, you can not delete Mi Account without firmware global version MIUI.
• 🔄 For sale in Russia/EU You will need to use the Fastboot or Mi Flash Tool.

💡

If you sell to Xiaomi with CN-If you want to use firmware, ask the buyer if they're ready for firmware, otherwise you'd better get a global version right away. MIUI via the official website of Xiaomi.

7.Dumping through EDL: The extreme case for 'bricks'

If the phone doesn't turn on, lock on, or respond to standard reset methods, it's EDL (Emergency Download Mode), which is the emergency firmware mode used in service centers, which allows you to reflash a phone even with a damaged system, but requires special equipment or knowledge of commands.

⚠️ Warning: Misuse of the right EDL This method is recommended only for advanced users or service engineers.

🔧 How to enter EDL:

1. Turn off the phone.
2. Press the Power button + Volume up + Volume down (on some models you need to first press the volume, then connect the USB cable).
3. Connect your phone to your PC. The Device Manager should have a Qualcomm HS-USB QDLoader 9008.
4. Use the Mi Flash Tool or QFil to run the official firmware.

📌 Where to get firmware for EDL:

• 🔗 Download official firmware from the Xiaomi website (choose the Fastboot version).
• 🛡️ For EDL Only firmware with.tgz or.mbn extensions are suitable.

8 Checklist before handing over the phone to the buyer

Before you give the phone to the new owner, do a final check on this list, which will save you from claims and ensure that the device is fully ready for use.

Phone does not ask for a password from Mi Account when enabled|All accounts (Google, Mi, social networks) are untied|Memory of the phone is empty (checked through PC)|IMEI It matches the box and settings|The phone is not tied to Find Device or Mi Cloud|SIM card and memory card removed|Box, documents and accessories on site-->

📋 Additional recommendations:

• 📦 Keep a check or a warranty card (if you sell with your hands).
• 🔄 Reset again right before handing over the phone (in case the buyer cancels the deal).
• 📋 If you sell through Avito or Yula, take a picture of the serial number (Settings) → The phone. → General information) to confirm the transfer.

⚠️ Note: If a customer complains that the phone requires a password from your Mi Account after purchase, don’t ignore it! contact them and help them delete their account through the Xiaomi website (Device Management section). Otherwise, the customer can lock the phone through support, and it will be difficult to return it to working condition.

FAQ: Frequent questions about Xiaomi cleanup before selling