Selling a Xiaomi smartphone requires careful preparation — it’s not enough to just return the device to factory settings. Even after a reset, the phone can still have personal photos, passwords, bank card data and other sensitive information that can be easily restored with special programs. In this article, we will analyze the step-by-step algorithm of complete cleaning, including hidden nuances that even official instructions do not speak about.
Xiaomi devices are deeply integrated with the MIUI ecosystem and Mi Account cloud service. An improper reset can lock your phone to a new owner or leak your data. We’ll look at not only the standard Hard Reset, but additional security measures: data encryption, checking associated accounts and cleaning hidden memory partitions. If you sell a Redmi Note 12, POCO X5 or Xiaomi 14 flagship, this will work for any MIUI or HyperOS model.
Why conventional resetting is not enough: myths and reality
Many users mistakenly believe that choosing Resets on the phone menu completely erases all data.
- 📁 Files remain in memory – a standard reset removes only links to them, and the data itself can be restored by programs like DiskDigger or Recuva.
- 🔒 Mi Account remains tied – without detachment of the account, the new owner will not be able to activate the phone (risk of locking by Find Device).
- 📱 Hidden sections are not cleaned – in folders /data and /cache Backups of messages, login passwords from Wi-Fi and other artifacts can be stored.
- 🔄 Cloud backups – if you sync your data with Mi Cloud, they can automatically recover on your phone after a reset.
A critical error: 78% of Xiaomi users do not untie Mi Account before selling, which leads to the locking of the device for the new owner (data from a study in 2023).
Even if you delete all files manually, specialized software (such as Autopsy or FTK Imager) can recover:
- 📸 Deleted photos and videos (including screenshots from messengers).
- 💬 History of correspondence from WhatsApp, Telegram or Viber.
- 🌐 Browser Logs with saved passwords and cookies.
- 📍 Geolocation data (if stored in the application cache).
Preparing for Resetting: 5 Mandatory Steps Before Cleaning
Before you start resetting, follow these steps to avoid losing important data and having trouble activating your phone with the new owner:
- Backup: Move all important files to your PC or cloud. Use Settings → The phone. → Backup or Mi Mover app.Please note: backups MIUI keep: 🔐 Wi-Fi passwords. 📱 Data from some apps (e.g. WhatsApp requires a separate backup). 🎮 Save games (unless linked to Google Play).
Untie all accounts.
Go to Settings → Accounts and Sync and delete:
- 📧 Mi Account (required!).
- 🤖 Google Account (otherwise, your phone will require you to enter your data after a reset).
- 📘 Social media (Facebook, VK, Twitter).
- 💳 Banking applications (Sberbank Online, Tinkoff, etc.).
- Delete. SIM-Memory card and card: Remove the physical SIM Even after the reset, your files may remain on the memory card.
- Disable Find Device and Mi Cloud: Go to Settings → Mi Account → Find Device and deactivate the feature. Otherwise, the new owner will not be able to log in to your account.
- Check the status of the phone: Make sure that the device is not blacklisted by IMEI. To do this, type the dial code *#06#, copy the IMEI and check on imei.info.
After flashing the phone will be in a state of “like a factory”, without any reference to your accounts.
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Flashing through the Mi Flash Tool is the only way to guarantee that you will delete data from Xiaomi phones where a standard reset doesn’t work (for example, when you block Mi Account).
Frequent Mistakes and How to Avoid Them
Even experienced users make mistakes in preparing Xiaomi for sale.