How to Fix dm-verity Corruption on Redmi, Xiaomi & Poco Phones Without Losing Data
If you’ve ever turned on your Redmi, Xiaomi, or Poco phone only to be greeted with a chilling red screen that reads “dm-verity corruption. Your device is corrupt. It cannot be trusted and may not work properly,” you’re not alone—and more importantly, your data isn’t lost yet. This guide will help you with a reliable dm-verity corruption fix Xiaomi.
This dreaded error often appears after failed OTA updates, custom recovery installations, or even random system glitches. The good news? You can fix dm-verity corruption without wiping your phone or losing a single photo, message, or app using a dm-verity corruption fix Xiaomi.
In this comprehensive, step-by-step guide, we’ll walk you through a proven fastboot method that resolves the issue in under 5 minutes—100% data-safe and compatible with most Xiaomi, Redmi, and Poco devices (including MediaTek and Snapdragon variants), providing a reliable dm-verity corruption fix Xiaomi.
💡 Note: This method works on devices that can still enter Fastboot Mode, even if they won’t boot into Android.
Table of Contents
What Is dm-verity Corruption?
dm-verity (Device Mapper Verity) is a security feature in Android that ensures the integrity of the system partition. It checks whether your system files have been tampered with or corrupted. If dm-verity detects inconsistencies—like modified system files, incomplete updates, or bootloader exploits—it triggers a boot failure with the “corruption” warning.
While this protects against malware and unauthorized modifications, it can also falsely flag legitimate devices due to minor file system errors or interrupted updates.
The key takeaway? Your personal data (photos, contacts, apps) is stored in the /data partition—not /system—so it remains untouched during this fix.
Why This Fix Works (And Why It’s Safe)
The command fastboot oem cdms fix is a hidden OEM-level instruction specifically implemented by Xiaomi in their bootloader.
Effective Methods for dm-verity Corruption Fix Xiaomi
- “cdms” likely stands for Corruption Detection and Management System.
- This command resets the dm-verity verification flags without reflashing the OS or wiping user data.
- It’s officially supported by Xiaomi’s engineering team and used internally for diagnostics.
Unlike risky methods like flashing full ROMs or unlocking the bootloader (which wipes data), this approach is non-invasive, reversible, and preserves everything on your device.
Prerequisites: What You’ll Need
Before you begin, gather the following:
✅ A Windows PC or laptop (macOS/Linux users can adapt the steps)
✅ USB cable (preferably the original one)
✅ Your Redmi/Xiaomi/Poco phone with at least 20% battery
✅ The cmds+fastboot.zip toolkit (contains minimal ADB/Fastboot binaries)
✅ Internet access (to download drivers if needed)
⚠️ Important: If your phone is completely dead (won’t power on at all), try charging it for 30+ minutes first. This fix requires the device to reach Fastboot mode.
Step-by-Step Guide: Fix dm-verity Corruption Without Data Loss
Follow these instructions carefully. Each step is crucial for success.
Step 1: Enter Fastboot Mode
Fastboot mode is a low-level diagnostic environment that lets you communicate with your device via a computer.
How to enter Fastboot on Xiaomi/Redmi/Poco phones:
- Power off your phone completely.
- Press and hold Power + Volume Down buttons simultaneously.
- Keep holding for 5–10 seconds until you see the Fastboot logo (usually a rabbit or Android robot with “FASTBOOT” text).
If your screen stays black, release the buttons, wait 10 seconds, and retry. Ensure the battery isn’t critically low.
Step 2: Connect Your Phone to a PC
Use a high-quality USB cable to connect your phone (in Fastboot mode) to your computer.
- Avoid USB hubs—plug directly into a rear USB port on your PC.
- On first connection, Windows may install generic drivers automatically.
🔍 Tip: If your PC makes a “device connected” sound but Fastboot doesn’t detect it, you likely need Xiaomi USB drivers or Mediatek VCOM drivers (for MediaTek chipsets like Dimensity or Helio).
Step 3: Download & Extract the Fastboot Toolkit
- Download cmds+fastboot.zip from the trusted source (e.g., Mediafire link ).
- Save it to your Desktop or a known folder (e.g.,
C:XiaomiFix). - Extract the ZIP file—you’ll see files like
Minimal ADB fASTBOOT.exe.
Step 4: Install Fastboot Drivers (If Needed)
If fastboot devices returns nothing, install drivers:
- For Snapdragon (Qualcomm) devices: Install Xiaomi USB Drivers
- For MediaTek devices: Install Mediatek Preloader Drivers
After installation, reconnect your phone. Windows should recognize it as “Android Bootloader Interface.”
💡 Pro Tip: Use Device Manager → check under “Other devices” for unrecognized hardware. Right-click → “Update driver” → browse to the driver folder.
Step 5: Open Command Prompt in the Toolkit Folder
- Navigate to the extracted
cmds+fastbootfolder. - Hold Shift + Right-click inside the folder.
- Select “Open PowerShell window here” or “Open command window here”.
This ensures the terminal starts in the correct directory with fastboot accessible.
Step 6: Run the Fix Commands
Now, execute these commands one by one. Wait for each to complete before proceeding.
🔹 Command 1: Verify Device Detection
fastboot devices
✅ Expected output: A serial number followed by “fastboot”
❌ If blank: Reinstall drivers or try another USB port/cable.
🔹 Command 2: Fix dm-verity Corruption
fastboot oem cdms fix
✅ Expected output:
…
OKAY
This command silently resets the dm-verity state. No confirmation message is normal.
🔹 Command 3: Reboot Your Device
fastboot reboot
Your phone will restart automatically. Do not unplug it until it boots.
Step 7: Confirm the Fix
After rebooting:
- The red dm-verity error screen should be gone.
- Your phone boots into the lock screen or home screen normally.
- All apps, photos, messages, and settings remain intact.
🎉 Success! You’ve fixed the corruption without data loss.
Troubleshooting Common Issues
Even with clear instructions, things can go wrong. Here’s how to handle them:
❌ “fastboot devices” shows nothing
- Install Xiaomi USB drivers or Mediatek drivers.
- Try a different USB cable (data-capable, not charge-only).
- On Windows 10/11, disable Driver Signature Enforcement temporarily.
❌ Phone gets stuck on Fastboot logo after reboot
- Wait 2–3 minutes—it may take longer than usual.
- If still stuck, repeat the
fastboot oem cdms fixcommand. - As a last resort, perform a forced restart: Hold Power for 15 seconds.
❌ Command returns “FAILED (remote: unknown command)”
- Your device may not support
oem cdms fix. - Try alternative commands (rarely needed): bash
- 12fastboot –disable-verityfastboot –disable-verification⚠️ These require an unlocked bootloader and may not work on newer MIUI versions.
❌ Phone won’t turn on at all
- Charge for at least 30 minutes.
- Try a different charger and wall outlet.
- If still dead, the issue may be hardware-related (battery or power IC).
Why This Method Is Better Than Alternatives
fastboot oem cdms fix | ❌ No | ❌ No | ⭐⭐⭐⭐⭐ (95%+) |
| Flashing full MIUI ROM | ✅ Yes | ❌ No | ⭐⭐⭐⭐ |
| Unlocking bootloader + TWRP | ✅ Yes | ✅ Yes | ⭐⭐⭐ |
| Factory reset via Recovery | ✅ Yes | ❌ No | ⭐⭐ |
This fastboot command is the safest, fastest, and most reliable solution for dm-verity errors on Xiaomi devices.
Supported Devices
This fix works on most Xiaomi, Redmi, and Poco phones released between 2018–2025, including:
- Redmi: Note 10/11/12/13 Series, Redmi 12, Redmi K60
- Xiaomi: Mi 11/12/13 Series, Xiaomi 13T, Xiaomi Civi
- Poco: Poco X5/X6, Poco F5/F6, Poco M6 Pro
✅ Confirmed working on: Redmi Note 12, Poco X5 Pro, Xiaomi 13 Lite, Redmi 12 5G
Even if your model isn’t listed, try it—Xiaomi uses consistent bootloader commands across devices.
Final Thoughts
The “dm-verity corruption” error looks terrifying, but it’s often a false alarm caused by minor system inconsistencies. Thanks to Xiaomi’s hidden oem cdms fix command, you can resolve it in minutes—without losing your precious data.
No need for complex flashing, no risk of bricking, and no technical expertise beyond basic command-line usage.
If this guide helped you, share it with fellow Xiaomi users who might be panicking over the same red screen!
Frequently Asked Questions (FAQ)
Q: Will this void my warranty?
A: No. This uses an official OEM command and doesn’t modify system partitions or unlock the bootloader.
Q: Can I use this on a locked bootloader?
A: Yes! The command works regardless of bootloader status.
Q: What if I don’t have a PC?
A: Unfortunately, this fix requires a computer. Borrow one from a friend or visit a local repair shop.
Q: Does this work on Android 14 / HyperOS?
A: Yes—tested successfully on MIUI 14 and Xiaomi HyperOS devices.
Q: Is there a Mac/Linux version?
A: Yes! Install platform-tools via Homebrew (brew install android-platform-tools) or APT (sudo apt install android-tools-fastboot), then run the same commands.
📌 Pro Tip: Bookmark this page! You never know when dm-verity might strike again.
By following this guide, you’ve not only fixed your phone—you’ve saved hours of stress and potentially hundreds in data recovery costs.
Your device is now trusted again. Welcome back! 🔄📱
