Introduction: why you need a reset to factory settings
Reset Xiaomi Redmi 9C The process, which is a radical but sometimes necessary solution to restore the functionality of a smartphone, removes all user data, applications and settings, returning the device to a "out of the box" state, most often in three cases: before selling the phone, to fix software failures or if the pattern lock is forgotten/PIN-code.
The Redmi 9C (codename angelica) based on the MediaTek Helio G35 processor has features in the Recovery menu that differentiate it from Qualcomm Snapdragon devices. For example, there is no classic Fastboot mode with PC control, only the standard Recovery menu.
In this article you will find:
- 🔹 3 proven reset methods (including bypassing the screen lock)
- 🔹 Step-by-step instructions with photos and commands for Recovery
- 🔹 Table of comparison of methods on speed and safety
- 🔹 Tips for storing data before resetting
- 🔹 Discuss common errors (e.g., “No command” or stuck on the logo)
Method 1: Reset via phone settings (if phone unlocked)
The easiest and safest way is to use the built-in reset menu, which is good if you remember the unlock password and the phone is turned on, and the advantage of the method is that there is minimal risk of errors, since the process is controlled by the MIUI system.
Instructions:
- Open the Settings app (cog icon).
- Go to the About Phone section. → Backup and reset.
- Select Resetting → Delete all data.
- Enter. PIN-code or pattern lock for confirmation.
- Click Reset your phone and wait for the reboot (it will take 5-10 minutes).
⚠️ Note: If the phone is enabled with the function Protection of Xiaomi device (link to the Mi Account), after reset, you will need to enter the username and password from the account. Without this data, the phone will turn into a brick".
Save Contacts in Google Account|Copy photos/videos to PC or cloud|Sign up for a username/password from Mi Account|Check the battery charge (minimum 50%)|Turn off Google Photos (if you don’t need to sync)-->
Method 2: Recovery Mode Reset (if the phone is locked or not turned on)
If Redmi 9C does not respond to touch, hangs on the MI logo or you forgot the password, hardware reset via Recovery will help. This method works even with damaged firmware, but requires care: wrong actions can lead to loss of IMEI or error "Invalid IMEI" (solved only by flashing).
How to get into Recovery on Redmi 9C:
- Turn off the phone (press the power button for 10 seconds).
- Press the Power button + Volume up at the same time.
- Hold for 10-15 seconds until the Mi logo and menu appear.
In the Recovery menu, use volume buttons for navigation and power button for selection.
- Choose Wipe Data → Wipe All Data.
- Confirm the action (Confirm).
- Once you have finished, select Reboot → Reboot to System.
What happens if Recovery does not open?
⚠️ Note: On some versions MIUI In the Recovery, there may be an error "This" MIUI version cannot be installed on this device. This means that the firmware is corrupt. ROM From Xiaomi and flash through Fastboot (PC required).
Method 3: Reset via Mi Account (if synchronization is enabled)
If the Redmi 9C has enabled Find Device and the phone is linked to a Mi Account, you can remotely reset via the web interface, which is convenient if the phone is lost or stolen (but not locked).
Instructions:
- Go to i.mi.com and log in.
- Select your Redmi 9C from the list of devices.
- Press Erase Device (Erase Device).
- Confirm the action via SMS or email.
Cons of the method:
- 🔴 It only works when you connect your phone to the Internet (Wi-Fi or mobile data).
- 🔴 After the reset, you will need to re-authorize in the Mi Account.
- 🔴 It does not work if the phone is disabled Find Device.
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If you are selling Redmi 9C, be sure to untie it from Mi Account via account settings at account.xiaomi.com. Otherwise, the new owner will not be able to use the phone!
Comparison of Reset Methods: Which One to Choose
| Method | Conditions | Time. | Risks. | Data retention |
|---|---|---|---|---|
| Through settings | Phone's on, you know the password. | 5-10 minutes | Minimum | ❌ Total reset |
| Through Recovery. | The phone is locked or not turned on | 10-15 minutes | Medium (IMEI error risk) | ❌ Total reset |
| Through the Mi Account. | Phone connected to the Internet, tied to an account | 15-30 minutes | Low. | ❌ Total reset |
| Through the SP Flash Tool | The firmware is damaged, experienced user | 30–60 minutes | High (risk of "bricking") | ❌ Total reset + flashing |
For most users, the best option is to reset through settings (Method 1). If your phone is locked, use Recovery (Method 2). SP Leave Flash Tool for an emergency, as it requires firmware skills.
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Before reset, make sure to check if the OEM Unlock option is disabled in the developer settings. If it is active, after reset, the phone may require you to enter a password from the last Google account (FRP-block).
Frequent mistakes after resetting and how to fix them
Even after a successful reset, the Redmi 9C may not behave properly.
1.The phone asks for a login from Mi Account after resetting
This is a theft protection that activates if there's an account link on the phone.
- 🔑 Enter the correct username/password from Mi Account.
- 🔑 If you forget your data, restore access via account.xiaomi.com.
- 🔑 If the phone is bought with hands and the previous owner did not untie the account – contact him or Xiaomi support (you will need a purchase check).
2.There is no net after reset (IMEI reset)
The situation arises if NVRAM or modem files were deleted during the reset via Recovery.
- 📶 Refuse the phone with the official firmware through SP Flash Tool (instructions on the forum) 4PDA).
- 📶 Restore. IMEI using the engineering menu (code ##4636##), but this requires root rights.
3.The phone hangs on MI logo after reset
The reason is a damaged firmware or an incompatible version of MIUI.
- 🔄 Try to go to Recovery and repeat the reset.
- 🔄 If it doesn’t work, run your phone through Fastboot (the instruction for MediaTek is different from Snapdragon!).