How to open Xiaomi Redmi 9: from resetting the lock screen to unlocking the bootloader

Forgot the pattern lock on Xiaomi Redmi 9 or bought a used phone with a tied Mi Account? problems unlocking the bootloader after firmware?This article will help you regain access to the device without losing data (where possible) and explain why standard methods often don't work on newer versions of MIUI 14/15.

We’ll look at 5 current ways to unlock, including official and alternative solutions, taking into account the latest restrictions of Xiaomi (for example, blocking through Fastboot without linking an account).

If you’re looking for a way to bypass Mi Account lock after resetting, go to the Xiaomi account section. To unlock the screen (PIN, pattern lock) read about reset via Recovery and ADB.

1. Redmi 9 screen unlock: PIN, pattern lock, print

The standard scenario is that you forget your password or your child typed in the wrong pattern lock 10 times and your phone locks. On Redmi 9 (M2003J15SC, M2004J19G) there are 3 official ways to reset your screen lock, without losing data and with a complete reset.

✅ Method 1: Unlock through Google Account (only for Android 9 and below)

• 🔑 After 5 wrong attempts, the button Forgot the password will appear? → Choose her.
• 📧 Enter the login and password from the Google account that was linked to the phone.
• 🔄 Reset the lock and install a new one. PIN/key.

⚠️ Attention: MIUI 12+ (Android 10+) This is the default method. If you forget your password? No, go to other ways.

✅ Method 2: Reset by Find My Device (without loss of data)

1. Go to Google Find My Device on PC.
2. Sign in with the same Google account as you do on your phone.
3. Select Redmi 9 from the device list → Lock the device.
4. Set a temporary password (it will replace the current PIN/key).

🔹 It only works with the Internet and geolocation service enabled.

2. Hard Recovery Reset: When Nothing Helps

If your phone doesn’t respond to touch, or you don’t remember data from Google/Mi Account, you’ll be left with a hardware reset via Recovery Mode, which removes all data from internal memory, including photos, messages, and apps, but is guaranteed to unlock the device.

📌 Instructions for Redmi 9:

1. Turn off the phone (press Power + Volume up for 10 seconds).
2. Hold Power + Volume up until the Mi logo appears.
3. From the Recovery menu, select the language (volume buttons) → Wipe Data → Wipe All Data.
4. Confirm the action and wait for the reboot.

Turn off the phone completely.

Press the power + Volume up for 10+ seconds

In the Recovery menu, select English

Press Wipe Data. → Wipe All Data-->

⚠️ Important: On some firmware MIUI 14 after the reset, you will need to enter data from the Mi Account that was previously linked. If you do not know the username / password, read the next section.

3.Backpassing Mi Account lock after reset

The most common problem with buying a used Redmi 9 is locking Mi Account after resetting, Xiaomi has introduced this protection to combat theft, but it often interferes with legitimate owners. Consider legal and semi-legal ways of bypassing.

✅ Official method (requires proof of ownership):

1. Go to the Mi Account Unlock website.
2. Select Unlock Device → Enter the phone’s IMEI (you can find out through the *#06# set).
3. Download scans of the check, box or warranty card.
4. Wait for the support response (3 to 7 days).

⚠️ Alternative methods (at your own risk):

• 🛠️ Fastboot firmware: Install custom firmware (like Pixel Experience) that bypasses account verification. Requires an unlocked bootloader.
• 🔧 Use of the EDL Mode: Low-level firmware via Qualcomm 9008.Risk of "bricking" phone - 30%.
• 💻 Specialized programs: Mi Account Remove Tool, UMT Dongle doesn't work on all versions. MIUI.

1. Delete the Mi Account binding in the settings (Settings → Xiaomi Account → Delete Account).

2. log out of the Google account.

3. make a reset to factory settings with you.

This will save 90% of the blockage problems.-->

4 Unlock the bootloader on Redmi 9

If you want to flash custom firmware (like LineageOS) or get root access, you first need to unlock the bootloader. Xiaomi made this procedure more difficult in 2023, but workarounds remained.

🔧 The official method (via Mi Unlock Tool):

1. Download Mi Unlock Tool (Windows version)
2. Sign in with the same Mi Account as you do on your phone.
3. Connect Redmi 9 in Fastboot mode (hold Power + Volume down when turned on).
4. Run the program and follow the instructions. The wait time for unlocking is up to 720 hours (30 days).

⚠️ Informal methods (accelerated unlocking):

• 🔓 Through EDL (Emergency mode: Requires an authorized Qualcomm account and a special cable. IMEI.
• 🛠️ Use of vulnerabilities: For example, the DirtyCOW exploit for MIUI 12. Doesn't work on newer versions.

💡

Unlocking the bootloader through the Mi Unlock Tool is the only safe way, but requires up to 30 days of waiting.Alternative methods can lead to IMEI blocking or the inability to update the firmware.

5. Unlock via ADB: If the phone is on but locked

If the Redmi 9 screen is locked, but the phone is on and connected to Wi-Fi, you can try resetting the password through the phone. ADB (Android Debug Bridge: This method only works if you have previously enabled debugging. USB.

🖥️ Instructions:

1. Connect your phone to your PC via USB.
2. Open the command line (Win + R → enter cmd).
3. Enter the commands in order: adb shell su rm /data/system/gesture.key rm /data/system/password.key rm /data/system/locksettings.db rm /data/system/locksettings.db-wal rm /data/system/locksettings.db-shm reboot
4. After the reboot, the screen lock will be reset.

⚠️ Attention: If debugging is on USB It's not activated in advance, it's not going to work, and it's not going to get around Mi Account lockdown.

6.What to do if nothing helps: service center vs self-repair

If all of these methods fail, you have two options:

• 🏠 Contact the Xiaomi Service Center: 📄 A check or guarantee card will be required. ⏳ Unblocking period - from 1 to 14 days. 💰 Cost: 1,500-3,000 ₽ (depending on the problem).
• 🔧 Self-repairing (risky!): 🔨 Flip-through EDL (risk IMEI). 🔄 Replacement of motherboard (if locking at iron level). 📱 Buying a donor phone to transplant a memory chip (extreme case).

🔹 Tip: Before visiting the service center, try to contact the previous owner - sometimes the problem is solved by simply entering a password from Mi Account.

FAQ: Frequent questions about unlocking Redmi 9