Xiaomi Redmi 9 is one of the most popular budget smartphones, but even it is not immune to software glitches, viruses or the need to transfer the device to a new owner.Reset to factory settings solves most problems, but requires caution: wrong actions can lead to data loss or even locking the device.
In this article you will find 3 The proven reset method (via settings, Recovery Mode and Mi Account) and answers to questions such as how to save contacts before reset, what to do if the phone does not turn on, and why the old account asks for a reset. 9 (Redmi 9A, 9C, 9T) base MIUI 12/13/14.
When you need to reset your settings on Redmi 9
Factory reset is a smartphone nuclear bomb, and it's used in extreme cases:
- 📱 Phone slows down a lot, apps fly out, and cleaning the cache doesn't help.
- 🔒 You sell or transfer your device to another person and want to delete all personal data.
- 🦠 The smartphone is infected with a virus that is not removed by antivirus (for example, adware or spyware modules).
- 🔄 After a failed update MIUI system is not working properly.
- 🔐 Forgot the pattern lock or PIN-code and other unlocking methods did not work.
However, a reset will not help if the problem is related to a hardware part (such as a broken screen, a faulty battery or a burnt-out Wi-Fi module).
⚠️ Note: If you reset your phone because of a locked screen, but do not remember the data from the Mi Account account associated with the device, after reset, the smartphone may require entering this data!
Preparing for resetting: how to save important data
The reset removes all the information from the smartphone’s internal memory: photos, videos, messages, contacts, app settings, and even some system files.
- Sync your contacts with your Google Account or export them to.vcf:
- Save the photo and video:
- Export SMS:
- Write down your Wi-Fi settings:
☑️ Checklist before reset
If you are using Mi Cloud, check if automatic sync is enabled:
- Go to Settings → Xiaomi Account → Mi Cloud.
- Make sure that the sliders opposite Contact, Notes and Photos are active.
⚠️ Note: MicroSD cards are usually not affected when reset, but it is better to remove them. In rare cases, the file system of the card can get damaged! Method 1: Reset via the settings menu (the safest) This method is suitable if the phone turns on and you remember the unlock password. It's the simplest and doesn't require any additional tools. Open Settings (the gear icon on the home screen). Scroll down and select About. Slip on Reset (or Restore and Reset in older versions). MIUI). Choose to erase all data. Enter if necessary PIN-A code or a pattern lock. Confirm the action by clicking Reset settings. The phone will reboot and start the cleaning process, which will take 3-10 minutes. Once completed, you will see a screen of the initial settings, as after purchase. 💡If the menu does not contain the option "Reset settings", try to enter the "Reset" request in the search box for settings - the system will tell you the right way. Method 2: Recovery Mode Reset (if phone is not turned on) If Redmi 9 does not respond to clicks, hovers on the logo or does not pass a password check, hardware reset via Recovery Mode will help. Instructions: Turn off the phone (press the power button for 10-15 seconds). Press the power button at the same time. + Volume up and hold for 10-15 seconds until the Mi logo appears. Release the buttons. You'll see the Recovery menu (English or Chinese). Use Volume for navigation and Power for selection. Select Wipe Data (or Clear Data), then Wipe All Data. Confirm the action by selecting Confirm. Once complete, select Reboot to reboot. If the menu is in Chinese, focus on the location of the items: Menu Item (English) Translation into Russian Action Wipe Data Cleanup Select this Wipe All Data Delete all data Confirmation Reboot Reboot Completion of the Connect with MiAssistant Connect to Mi Assistant Do not select! ⚠️ Note: If after resetting via Recovery, the phone requires data entry from Mi Account, which was previously tied, and you do not remember them, unlocking the device will be extremely difficult, in which case only the official Xiaomi service with proof of ownership will help. If the phone does not respond to the button combination, try: 1. Connect the charger and try again. 2. Hold the buttons longer (up to 20-30 seconds). 3. Use the Power combination + Loudness down (in rare cases it works). If nothing works, maybe the power button or the motherboard is faulty. Method 3: Mi Account Reset (remote) If you lose your phone or it's been stolen, you can try resetting it remotely via Xiaomi's Find Device service. Go to i.mi.com and log in to the same account that you have attached to Redmi 9. In Find Device, select your smartphone. Click Erase Data. Confirm. There are limitations to this method: ⚠️ The phone must be connected to the Internet (via mobile network or Wi-Fi). ⚠️ Mi Accounts must be linked to the device before they go missing. ⚠️ Once reset, the phone will untie the account and it will be impossible to track it. If you're selling the phone and want to make sure the new owner can't recover your data, use this method after a mechanical reset via Recovery. 💡Remote reset via Mi Account only works when the phone has an active internet connection. SIM-The card is removed or the Wi-Fi is disabled, the command will not reach the device, frequent errors in reset and how to avoid them Even when following the instructions, users encounter problems. Problem Reason Reset solution Interrupted 50% Battery shortage Charge phone to 100% and try again After reset asks old Mi Account was tied to device Enter data or contact support Xiaomi Phone not turned on after reset Damaged firmware Fastboot (PC required) Sensor not working after driver failure Run reset again or update MIUI If the phone does not see after the reset SIM-map, check it out: 📶 Is it inserted correctly? SIM (Try re-installing it). 🔄 Is the regime on? 2G/3G/4G network-setting. 🔧 Is the firmware updated to the latest version (sometimes the reset resets the modem settings).What to do after the reset: initial setup After a successful Redmi reset 9 It will start in initial settings. Follow the on-screen instructions: Select the language (English or Chinese by default); connect to Wi-Fi (recommended to download updates); log in to your Google account (or skip this step); set up a screen lock (PIN, pattern lock or fingerprint. Restore data from backup (if any) Tips for optimal performance: 🔄 Check for updates immediately: Settings → The phone. → Updating the system. 🛡️ Install an antivirus (such as Avast or Bitdefender) to protect against malware. 📱 Disable unnecessary system applications through Settings → Applications (saves battery power). If the phone starts to run out faster after reset, calibrate the battery: Charge the phone to 100% and do not turn off charging for another 1-2 hours. Use the phone until it is completely discharged (before it turns off). Repeat the charging-discharge cycle 2-3 times. 💡After reset, turn off automatic download of updates over the mobile network: Settings → SIM-maps and mobile networks → Transfer of data → Auto-update software. It saves traffic. FAQ: Answers to frequent questions Can Redmi 9 be reset without losing data? No, factory reset deletes all data from internal memory. The only way to save information is to back up in advance (see Preparing for Reset) The phone asks for an old Mi Account after the reset. What to do? This is protection against theft. If you remember your account details, enter them. If not, contact Xiaomi with proof of purchase (check, box with a box of information). IMEI). You can't get around this lock yourself without the risk of damaging the device. How long does it take to reset? Normally. 3–10 If it took an hour or more, it might have failed. Try resetting it again or charging it. Can you reset Redmi? 9 Yes, but it requires special tools, ADB) For the average user, it's easier to use the methods described in this article. If you need help with firmware through a PC, contact the service center./Wi-Fi. What do you do? It could be because of a driver failure. Try: Update. MIUI Reset again. If the problem persists, contact the service (possibly hardware malfunction).