Resetting the Xiaomi Redmi 9T smartphone to factory settings is a procedure that can be required in a variety of situations: from preparing the device for sale to eliminating critical errors in the MIUI. However, many users face difficulties: somewhere the system requires a password from Mi Account, somewhere the reset hung on the logo, and in some cases, after the procedure, the phone completely stops turning on. This article will help to avoid typical errors and perform the reset correctly - taking into account all the nuances of the firmware and the model.
Redmi 9T
lime
Snapdragon 662
MIUI
Preparation for resetting: what to do in advance
Before you start resetting, make sure you follow all the critical steps. Without a backup, it will be impossible to recover photos, contacts or messages after the reset — even Xiaomi service centers will not be able to help with this. Use built-in MIUI tools or third-party apps like Google Photos to save information.
Pay special attention to your Mi Account. If you forgot your password or didn't link your device to your account, after a reset, your phone may lock up to require you to enter your previous owner's data. This is part of Xiaomi's protection against theft, and it's almost impossible to circumvent it without proof of ownership. Check the account's link in Settings → Xiaomi Account.
- 📱 Create a backup through Settings → The phone. → Backup or manually copy files to PC.
- 🔋 Charge the battery to at least 50% – interruption of the reset process due to discharge can lead to a “brick” of the device.
- 🔑 Make sure that your Mi Account password and pattern lock are available (if used).
- 📶 Disable all accounts (Google, Mi Account) in the settings if you plan to transfer your phone to another person.
If your Redmi 9T is locked with a pattern lock or password and you don’t remember them, a Recovery reset is the only way out, but you’ll need proof of ownership through your Mi Account, which is not the way to unlock the device after the reset.
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If you are selling a phone, remember to log out of your Google account in the settings (Accounts → Google → Delete Account) otherwise the new owner will not be able to use the device due to FRP (Factory Reset Protection) protection.
Method 1: Reset via the settings menu (the safest)
This method is suitable if the phone is turned on and you have access to the MIUI menu. It is the simplest and least risky, since it does not affect the system partitions of the firmware. The instructions are relevant for all versions of MIUI, including MIUI 12/13/14.
Open Settings and go to About Phone. Next, select Reset (in some versions, the path may look like Settings → Additional → Restore and Reset).
- 🔄 Resetting all settings – only deletes user settings, apps and data, but saves files in the phone’s memory.
- 🧹 Delete all data – complete reset, including internal memory (photo, video, music).
Choose the second option to clean the device completely. The system will request confirmation — enter a password or pattern lock (if installed), then the reset process will begin, which will take 5-10 minutes, the phone will reboot and prompt you to configure it as new.
Data backup created
The phone is charged at least 50%
Password from Mi Account known
All accounts are disabled (Google, Mi)
The correct type of discharge (full) is selected)-->
⚠️ Note: If after resetting the menu, the phone requires Mi Account data entry that you do not remember, do not try to guess the password repeatedly. After 5 unsuccessful attempts, the device will lock for 24 hours.
Method 2: Reset via Recovery Mode (if the phone is not turned on)
If Redmi 9T is stuck on the logo, does not respond to clicks or is locked with a password, you will have to use Recovery Mode. This mode allows you to reset the device without access to the main system, but requires care - incorrect actions can lead to damage to the firmware.
To enter Recovery, follow the following steps:
- Turn off the phone (press the power button for 10 seconds if it freezes).
- Press the power and volume buttons up simultaneously.
- Hold them until the Mi logo and the Recovery menu appear.
In the Recovery menu, you can control volume (move) and power (select). Select Wipe Data (or Wipe & Reset in newer versions), then confirm the action. Once you have completed the process, select Reboot to reboot.
| Action. | Description | Note |
|---|---|---|
| Wipe Data | Remove all user data and settings | Does not affect the system files firmware |
| Wipe All Data | Complete reset, including internal memory | Recommended for preparation for sale |
| Reboot | Phone reboot | Choose only after the reset is complete. |
| Connect with MiAssistant | Connecting to a PC for recovery | Official Mi PC Suite software is required |
If after resetting via Recovery, the phone requires you to enter Mi Account data, and you do not remember them, try to restore the password through the Xiaomi website.
What happens if the Recovery Mode does not open?
Method 3: Reset via Mi Account (remote)
If you lost your phone or it's in another city, but you have access to your Mi Account, you can reset remotely, and this is also useful if the device is locked, but you remember your account information.
- Go to i.mi.com and log in.
- In the Devices section, select your Redmi 9T.
- Click Find the device, then erase the data.
- Confirm the action via SMS or email.
It can take up to 30 minutes depending on the speed of the Internet on the phone. Once reset, the device will restart and be ready to set up. Note that this method only works when you are actively connected to the network (mobile Internet or Wi-Fi).
⚠️ Note: Remote reset via Mi Account does not always clear internal memory completely. Sensitive data (photos, documents) may remain on the device.
Frequent Resetting Mistakes and How to Avoid Them
Even when following instructions, users often encounter problems, and consider the most common mistakes and ways to solve them:
- 🔄 "The phone is stuck on the logo after the reset, which may indicate a damaged firmware. Try going to Recovery and repeat the reset. If it doesn't work, you'll need to flash it over the Fastboot.
- 🔒 "Requires a password from Mi Account after reset is the standard protection.Restore password on Xiaomi website or contact support with proof of purchase.
- 📱 "Not activated after reset via Recovery - the process may have interrupted.Try charging the phone for 30 minutes, then reset again.
- 🔌 "Computer doesn’t see phone in Fastboot mode – install Mi Phone Manager drivers or use another one USB-cable (preferably original).
If the phone is slower than before after reset, it may be due to memory fragmentation or an outdated version of MIUI. Update the firmware through Settings → About the phone → System Update.
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The most common mistake is to try to reset when the battery is dead. If the phone turns off during the process, it can damage the system files and the device's "brick." Always charge the battery to at least 50% before resetting.
What to do after resetting: setup and recovery
After a successful reset, the Redmi 9T will offer to go through the initial setup, as after the purchase.
- Connect to Wi-Fi or mobile network to activate Google services.
- Sign in to Mi Account (if your phone is yours) or skip this step (if you are preparing to sell).
- Restore data from a backup (if it was created).
- Update the firmware to the latest version through Settings → About Phone → System Update.
If you are selling a phone, make sure to transfer it to the new owner:
- 📋 Check that all accounts (Google, Mi Account) are disabled.
- 🔄 Make sure the reset is successful (the phone does not require an old password).
- 📦 Delete. SIM-card and memory card (if installed).
To speed up Redmi 9T after reset, disable unnecessary system applications via Settings → Applications → Application Management. It is also recommended to turn off animation in the developer settings (activated through 7 clicks on the MIUI version in the About Phone section).