How to Remove Everything from Xiaomi Before Selling: The Complete Guide

Selling a smartphone is not only a way to upgrade your gadget to a newer model, but also a serious process that requires attention to digital security. Owners of Xiaomi devices, whether it is a budget Redmi or the flagship Mi, often forget that simply deleting files is not enough to protect personal information. Modern data recovery methods allow attackers to extract photos, correspondence and passwords even after a standard memory cleanup.

Preparing your device for transfer to a new owner is critical to avoid leakage of sensitive information. In this article, we will discuss the algorithm that ensures that your smartphone is completely clean and your accounts are untied. Ignoring these steps can lead to the fact that the buyer will not be able to activate the device due to blocking accounts, or your data will fall into the wrong hands.

The preparation process takes no more than 15-20 minutes, but provides peace of mind and security. We will consider not only the standard reset, but also the important nuances of working with the MIUI and HyperOS shell, which distinguish Xiaomi phones from other Android devices.

Data preparation and backup

Before you start the process of destroying information, you need to make sure that all important data is stored in a safe place. Backup is the first and most important step, which can lead to the irretrievable loss of contacts, photos and notes. There are several ways to store information in the Xiaomi ecosystem, and the choice depends on your preferences and the amount of data.

The most convenient way is to use the Mi Cloud cloud service, which allows you to automatically synchronize contacts, messages, call history and system settings, but it is worth remembering that free space is limited, so for large volumes of photos and videos, you should use a computer or external storage devices.

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Use the “Advanced Backup” feature in the Mi Cloud settings to save the location of the icons on your desktop and setting alarm clocks – this will save time when setting up a new phone.

To create a full copy of the system through your computer, you will need a USB cable and installed Mi PC Suite or a standard Windows Explorer. Connect your phone in file transfer mode and copy the DCIM, MIUI, Download and Documents folders to your hard drive, which will ensure that all media files and documents are safe.

• 📸 Back up the gallery through Google Photos or copy the folder DCIM PC-only.
• 📞 Export contacts to a.vcf file or make sure you sync with your Google account.
• 💬 Save the history of correspondence in messengers (WhatsApp, Telegram, Viber) through their internal settings.
• 🔑 Check for important passwords in Google’s password manager or third-party app.

Be sure to check the applications of banks and government services, too. In some cases, you need to untie the device in the apps themselves before you delete it so that you don't have any problems accessing the new gadget. SIM-The card will be inserted into the new phone and the old one will be reset.

Unbinding Mi and Google accounts: a critical stage

The most common mistake Xiaomi users make is resetting their settings without first logging out. Android security and MIUI have a theft protection feature. If you just hit the reset button, the phone locks and requires you to enter a password from the last account you used on the first activation, which will be an intractable problem for the new owner.

First of all, you need to turn off Find Device. Go to Settings, find Account and Sync or Mi Account. From the menu that opens, select your profile and click Log Out. The system will require you to enter a password to confirm the action. Only after a successful exit can you be sure that the activation lock is removed.

⚠️ Note: If you forget your Mi Account password, it will be extremely difficult to restore access after a reset, and in some cases impossible without purchase checks!

A similar procedure is required for a Google account: Go to Settings → Accounts and Sync (or simply Accounts). Select your Google account from the list and click Delete Account. This action will break the connection between the device and your profile on Google servers, which will prevent a request for confirmation of identity ("Factory Reset Protection").

Xiaomi owners often use accounts for Xiaomi Games gaming services or third-party cloud storage, removing these profiles from the system ensures that the phone will not try to sync with your data after resale.

Encrypting data before resetting

Many users are unaware that the standard file deletion procedure does not physically erase them from NAND memory. The operating system simply marks the space as "free", and the data remains there until it is overwritten with new information. Specialized software easily recovers such "deleted" files. To make recovery impossible, the data must be pre-encrypted.

On modern Xiaomi smartphones with Android 10 and above, encryption is often turned on by default. However, to be sure before selling, it is recommended to perform forced encryption or make sure that it is active. This will turn your data into a meaningless set of characters that can not be read without a decryption key that will be destroyed when reset.

To check and enable encryption, go to Settings → About Phone → MIUI version (click multiple times to activate the developer menu if hidden), then Additional → Security → Encryption and credentials. If the status is “Encrypted”, you can move to the next step. If not, start the encryption process. This can take anywhere from 30 minutes to several hours depending on the storage capacity.

• 🔒 Encryption makes recovered files unreadable without a key.
• ⏳ The encryption process requires a battery charge of at least 50%.
• 📱 Do not interrupt the encryption process to avoid damaging the file system.
• 🗑️ After reset, the encryption key is deleted, making the data permanently inaccessible.

This is especially important if you're storing sensitive information on your phone, like scans of documents, work files, personal photos, and even if the buyer isn't a hacker, they might accidentally hand over the phone to a service center to "set up" where unscrupulous wizards might try to recover data, and encryption is your insurance policy against such situations.

Algorithm of complete reset to factory settings

Once all the data is saved and the accounts are untied, there comes a moment of truth, a hard reset. Xiaomi smartphones have two ways to do this: through the settings menu and through Recovery Mode. The first is preferable, because it is safer and easier for the average user.

To reset via the menu, go to Settings → Advanced Settings → Restore and Reset. Select Reset. The screen will show a warning that all data will be deleted. Pay attention to the “Clear Internal Memory” (or “Erase All Data”) tick. It must be activated.

Path to reset: Settings → About Phone → MIUI version (7 times) → Three points → Resetting → Erase all data

The system will ask you to enter a pattern lock or a lock pin for confirmation, and then the deletion process will begin, which will take a few minutes, the phone will reboot, and you will see the welcome screen, as when you first turn on the new device, which is a signal that the process is completed successfully.

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The main purpose of the reset is to have a language and region selection screen, which means completely removing user data and returning to factory status.

If the phone is not turning on or there are errors, you can use Recovery Mode. To do this, turn off the phone and press the Volume+ and Power buttons at the same time. From the Recovery menu (which may be in Chinese or English), select Wipe Data → Wipe All Data → Confirm. After completing, select Reboot → Reboot to System.

Cleaning check and additional security measures

After the reboot, don't rush to give the phone to the customer. Do the final check. Go through the initial setup steps (language selection, Wi-Fi connection), but don't log into any accounts. Go to the gallery, contacts, file manager and memory settings. Everything should be clean.

Note the amount of memory you have. A completely clean Xiaomi phone with a MIUI or HyperOS shell typically has 10 to 20 GB of system files. If you see a much larger amount of storage, there may be data left in the hidden partitions, and the reset procedure is worth repeating.

Also worth checking is if there are any hidden profiles left in memory. In rare cases, users create multiple Android profiles. Go to Settings → Advanced Settings → Second space (if available) and make sure it is deleted. Data in the second space is not always deleted when you normally reset your main profile.

Frequent Questions and Technical Nuances (FAQ)

Even with a clear follow-up to the instructions, specific questions can arise, especially given the variety of Redmi, POCO and Mi models. Below are answers to the most common questions that will help avoid errors.

The final tip is to wipe the screen and body of the device after checking to make it look presentable. A clean phone with reset settings gives more confidence to the buyer and allows you to make a deal faster. Remember that your digital hygiene is the key to your online safety.