Xiaomi Redmi 9C is a popular budget smartphone with a Helio G35 processor and clean MIUI, but even it sometimes requires a complete system reboot. Factory reset solves 90% of software problems, from hang-ups and application errors to the consequences of failed firmware. However, an improper reset can lead to data loss or even locking the device through the Mi Account.
In this article you will find 3 proven reset method (including the method for locked phone), a table of comparison methods, as well as answers to frequent questions - for example, why after reset can disappear IMEI How to get around the request for a password from your Xiaomi account. 9C (model M2006C3LG/M2006C3MI) any version MIUI, including MIUI 14 HyperOS.
When do I need to reset Redmi 9C settings?
Factory reset is a last resort, but sometimes it is necessary. Here are 5 signals that your Redmi 9C needs a "clean reboot":
- 🐢 Phone brakes even after closing all applications (processor boot) >70% in Settings → The phone. → Status of the system).
- 🔄 Applications spontaneously close or issue an error "Application stopped".
- 📱 Lock screen or MIUI Launcher reboots in cycle.
- 🔒 You have forgotten the pattern lock or PIN-code, and Find Device does not help unlock.
- 📦 After updating MIUI missing functions (e.g. double tap to wake up).
However, resetting is not a panacea. If the problem is related to physical damage (for example, after a fall, the sensor or speaker stopped working), then flashing will not help - you need repairs. It is also pointless to reset the settings when the battery hardware fails (blown, fast discharge).
⚠️ Note: If you are dropping Redmi 9C Before selling, be sure to log out of your Mi Account (Settings) → Xiaomi account → Otherwise, the new owner will not be able to activate the phone!
Preparation for resetting: what to save and how
Reset removes all data from internal memory, including:
- 📸 Photos and videos (including screenshots) DCIM/Screenshots).
- 📱 Contacts, SMS Call logs (unless synced with Google or Mi Cloud).
- 🎮 Preservation of games (e.g. in the Android/data or Android/obb).
- 🔑 Wi-Fi and App Passwords (unless you use Google Smart Lock).
To avoid losing something important, follow 3 mandatory steps:
Backup to Mi Cloud (Settings → About Phone → Backup)
Copy files to a PC or flash drive (DCIM, Download, WhatsApp folders)
Record IMEI (Dial *#06#) and Mi Account details
Untie cards and wallets (Google Pay, Sberbank Online)-->
Methods of backup:
| Method | What keeps | Cons |
|---|---|---|
| Mi Cloud | Contacts, SMS, settings, photos (up to 5 GB free) | Does not store applications and their data |
| Google Account | Contacts, calendar, Wi-Fi passwords, some application settings | Does not copy media files or SMS |
| Local copy via Settings → Additional → Backup | Applications, SMS, call logs (save to the phone) | Takes up a place in the internal memory |
| Manual copying on PC | Any files (photos, videos, documents) | Does not save system settings and application data |
Your Redmi 9C's IMEI is tied to the motherboard, but after a reset, the network may disappear if /nvram files are corrupted. To avoid this, write down the IMEI (type *#06#) and save a screenshot.
Method 1: Reset via the settings menu (the safest)
This method works if the phone turns on and you remember the lock password, it keeps in touch with the Mi Account, so you don't need to enter your login/password after the reset.
Step-by-step:
- Open Settings (the gear icon on the main screen).
- Go to About Phone → Backup and Reset.
- Select Resetting → Delete all data.
- Enter. PIN-code or pattern lock (if requested).
- Confirm the action by clicking Reset Settings.
It takes 3-5 minutes. The phone will reboot and show the screen of the initial settings, as after the purchase. If after the reset, the message appears "This device is associated with an existing Mi Account," just log in to your Xiaomi account.
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If after the Redmi reset 9C Not connected to the mobile network, check your settings APN. To do this, go to the Settings. → SIM-maps and mobile networks → Access points (APN) and select the operator manually.
Method 2: Reset via Recovery Mode (if the phone is not turned on)
If the Redmi 9C is stuck on the MI logo, reboots in a loop or does not respond to touch, use Recovery Mode.This method does not require a password, but after a reset, you may need to enter data from your Mi Account (if it was tied).
How to log in to Recovery:
- Turn off the phone (press the power button for 10 seconds).
- Press the Power button + Volume up and hold for 10-15 seconds until the Mi logo appears.
- Release the buttons and you will see the Recovery menu (in English or Chinese).
Further action:
- 🔧 Use volume buttons for navigation and power button for selection.
- 📱 Choose Wipe Data → Wipe All Data (complete reset).
- 🔄 Confirm the action and wait for the completion.
- 🔙 Go back to the main menu and select Reboot. → Reboot to System.
If you don't have Wipe Data on the Recovery menu, you have customized recaps (e.g. TWRP) installed. In this case, select Advanced Wipe → tick Dalvik, Cache, Data, System → Swipe to Wipe.
⚠️ Note: If after reset via Recovery, the phone requires you to enter a password from Mi Account, and you do not remember it - restore access through account.xiaomi.com. Using tools to bypass the lock (for example, Mi Account Unlock Tool) can lead to permanent blocking. IMEI! What if Recovery Mode doesn't open? If Power is held + The volume up the phone vibrates but does not load the menu, try: 1. Connect the charger and repeat the combination. 2. Hold the buttons for 20-30 seconds (sometimes it takes longer). 3. Use the Power combination + Loudness up + Volume down (on some versions of firmware). If nothing helps, it may be the firmware that is damaged. In this case, you will need to flash through Fastboot (see method 3). Method 3: Hard reset via Fastboot (for power users) This method is used if: 🔧 The phone does not turn on or load Recovery. 📦 You need to remove custom firmware (for example, after a failed rooting). 🔒 You need to bypass the Mi Account lock (legal if your phone is yours: 💻 Computer with drivers installed ADB/Fastboot (download from Android). 🔌 Cable USB Type-C (preferably original). 📄 Firmware for Redmi 9C (Instructions: Turn off your phone and press Volume down + Power to log into Fastboot Mode (a hare in a hat-eared hat will appear). Connect Redmi 9C Open the command line to the PC (Win) + R → Type in cmd. Check the connection command: fastboot devices Must appear serial number of the device. Reset: fastboot erase userdata fastboot erase cache fastboot reboot If you need to reflash your phone completely, use the command: fastboot flash all [name file firmware].zip Attention: Continuous power during firmware is critical! If the process is interrupted, the phone can turn into a brick". 💡Fastboot reset deletes all data, including firmware. After the procedure, the phone will be like new, but you will need to reconfigure it. MIUI Xiaomi account login and how to solve problems after a reset Even after a successful Redmi reset 9C Here are 4 problems and their solutions: Problem Cause Solution No mobile network Damaged section NVRAM (keeper IMEI) Restore. IMEI via Engineer Mode (code #3646633##) or reflash modem.Requires password from Mi Account The phone was linked to your account Sign in to your account or restore access to account.xiaomi.com. Do not turn on after resetting the interrupted process or damaged firmware Repeat the reset via Fastboot or run the official firmware. Quickly discharges the battery Background processes after reset Calibrate the battery: discharge to 0%, charge to 100% without interruptions. If camera features are missing after reset (for example, autofocus is not working), check if permissions for the Camera application are disabled in Settings. → Annexes → Permissions management. Also update the firmware to the latest version MIUI through settings → The phone. → System updates.Frequent questions about Redmi reset 9C ❓ Can I reset if I forgot the pattern lock? Yes, but only through Recovery Mode (method 2) or Fastboot (method 3). A normal reset via the settings menu would require a password. After a hard reset, you might need to enter data from the Mi Account if it was tied. ❓ Why is Wi-Fi or Bluetooth not working after reset? /nvram, Solution: Download nvram file for Redmi 9C (search the forums 4PDA or XDA). Squeeze it through. TWRP Or Fastboot. Reboot your phone. If it doesn't work, call the service center. ❓ How do you get around Mi Account requests after you reset? Legally, you can't. If the phone was linked to your account, you'll need to enter your login/password after you reset. The only options are: Restore your account via email or a linked number. Contact Xiaomi with proof of purchase (check, box).Caution: Using bypass tools (e.g. Mi Account Unlock Tool) violates the user agreement and may result in blocking IMEI. ❓ Reset will remove viruses from the phone? Yes, a full reset (via Wipe Data in Recovery or Fastboot) deletes all data, including viruses. However, if the malware was in firmware (for example, in a custom build), you will need to reflash the phone with the official version of the phone. MIUI. ❓ Can the reset be cancelled? No. Once the reset is confirmed, all data is permanently deleted. The only way to get the information back is to restore it from a backup (if it was made before the reset).