The forgotten password on Xiaomi Redmi Note 9 is a situation that one in five users encounter, according to service center statistics.The problem is compounded by the fact that the smartphone is blocked after 5 failed input attempts, and standard recovery methods (for example, through Google) on Xiaomi devices often do not work due to the features of the MIUI firmware. In this article, 7 proven ways to unlock, including official and alternative methods, indicating the risks to data and warranty.
It is important to understand: Redmi Note 9 (model M2003J15SC/M2003J15SS) The chipset is called Mediatek Helio. G85, This is what affects the unlock options available, for example, these devices are not suitable for the method of using the EDL-The mode that works on smartphones with Qualcomm Snapdragon. We will analyze the current solutions for the development of the system. 2026 The latest updates to Xiaomiβs security policy.
1 Unlocking through Mi Account (official method)
The safest method is if you have linked your device to your Mi Account, and is suitable for the Redmi Note 9 on any version of MIUI (including MIUI 14), the main condition is access to the email or phone number associated with the account.
Algorithm of action:
- π± On the lock screen, tap the password? (appears after 5 unsuccessful attempts).
- π Select Restore via Mi Account and enter the login/password from your account.
- π§ Confirm access through SMS or email (code valid for 5 minutes).
- π Create a new password or pattern lock.
β οΈ Note: If you have changed firmware to custom (e.g. LineageOS), this method may not work. Xiaomi also blocks recovery through Mi Account if you suspect a theft (if the device was marked as lost in Find Device).
2.Reset via Recovery Mode (without loss of data)
This method is suitable if you do not have the MIUI Data Protection function activated (checked in Settings β Additional β Privacy). In this case, the Recovery reset does not affect user files, but deletes applications and settings.
Step-by-step:
- Turn off the phone with a long press of Power + Volume Up.
- Hold the Power + Volume Up for 10 seconds until the Mi logo appears.
- From the Recovery menu, select Wipe Data β Wipe All Data.
- Confirm the action and wait for the reboot.
| Action. | The result | Risks. |
|---|---|---|
| Reset via Recovery | Remove password, save photo/video | Remove apps and accounts |
| Use of Mi Account | Stores all the data. | Requires access to email/SMS |
| Fastboot unlocking | It works on any firmware. | Requires PC and ADB drivers |
β οΈ Attention: Redmi Note 9 with MIUI 12+ After resetting via Recovery, you may need to re-link to Mi Account. If you don't remember your account details, the phone will turn into a brickΒ»!
Turn off phone | Press Power + Volume Up| Wait for Recovery menu | Select Wipe Data | Confirm reset-->
3. Unlock via Fastboot (for advanced users)
The method requires a computer with ADB and Fastboot drivers installed.It is suitable for the Redmi Note 9 on any firmware, but erases all data, including internal memory (except microSD cards).
Instructions:
- Install Platform Tools from Google.
- Connect the phone to the PC by holding Volume Down.
- In the command line, type: fastboot oem unlock and confirm unlock on the phone (if a request appears).
- Follow the command: fastboot flashing unlock and follow the instructions on the screen.
π§ After unlocking the bootloader (bootloader), you can flash custom Recovery (for example, TWRP) and delete the file /data/system/gesture.key (for a pattern lock or password.key (for PIN).
What if Fastboot doesnβt see the device?
4. Use of service codes (hidden functions)
The Redmi Note 9 has hidden engineering codes that can help you bypass locks without resetting. These techniques donβt work on all firmware, but itβs worth a try:
- π’ Enter ##7378423## (opens the Service Tests menu where you can reset your security settings).
- π’ Alternative code for password resetting: ##3646633## (work MIUI 11-12, but may require input PIN from SIM-map).
- π’ For devices with Mediatek: ##4636## β Go to Usage Statistics and click Clear App Data for Settings Storage.
β οΈ Note: Using engineering codes can lead to loss IMEI or a network failure on the Redmi Note 9 Mediatek Helio G85. Before experimenting, check backup copy IMEI (persist /data/nvram).
π‘
If the engineering codes don't work, try typing them in through the MTK Engineering Mode app (available on the Play Market) that emulates the service menu on Mediatek chipsets.
5. Bypassing the lock via ADB (if debugging is enabled)
If the Redmi Note 9 has been activated debugging via USB (Settings β About Phone β MIUI Version β 7 taps by build number), you can delete the password file via ADB.
Algorithm:
- Connect your phone to your PC and open the command line in the folder with ADB.
- Enter: adb shell su rm /data/system/gesture.key (for a pattern lock) or rm /data/system/password.key (for a PIN/password).
- Reboot the device: reboot
π§ If the su command doesn't work, then there's no root rights on the phone, and then only the firmware on Fastboot or the root-rooted phone will help. TWRP.
π‘
USB debugging should be enabled before the phone locks, and if you don't activate it beforehand, this method won't work.
6. Contact the Xiaomi Service Center
If independent methods did not help, official Xiaomi service centers offer unlocking for 1500-3,000 rubles (depending on the city).
- π§ Reset password through Xiaomi server (purchase check or box required).
- π Restore access to Mi Account (if you forgot your login).
- π Data storage phone firmware (in 60% of cases).
π Addresses of service centers can be found on the website mi.com/ru/service. Check before you visit if they work with your model (Redmi Note) 9 There are several modifications: global M2003J15SG, Chinese M2003J15SC Indian M2003J15SI).
β οΈ Note: Unofficial services often use the method EDL (emergency mode), which can damage the bootloader on Mediatek. Xiaomi official centers guarantee safety IMEI and serial number.
7. Alternative methods (with risks)
If nothing works, there are radical ways that can lead to a loss of warranty or a failure of the device, but sometimes they save you in desperate situations:
- π¨ Flip-through SP Flash Tool (Mediatek only) requires scatter.txt files and firmware for your model.Risk: 30% chance of "bricking" if you make a file selection error.
- π Exploiting vulnerabilities MIUI (For example, exploit DirtyCOW for older versions. MIUI 10-11, but closed in new updates.
- πΎ Substitute the gesture.key file via TWRP. You need to install custom recovery and replace the file with an empty one.
π οΈ For flashing through SP Flash Tool download the official firmware for Redmi Note 9 on Xiaomi Firmware. Choose the Global Stable version for the model M2003J15SG (global).