Fix IMEI 0 on Realme 9 Pro 5G RMX3472 Step by Step Guide Android 13

🔧 Fix IMEI 0 on Realme 9 Pro 5G (RMX3472) – Step-by-Step Guide Android 13

If you're seeing IMEI 0 on your  Realme 9 Pro 5G (model  RMX3472), don’t panic — this issue is common after flashing or unlocking, and can be fixed.

In this guide, I’ll show you how I fixed a phone in my own shop using simple tools and clear steps. You don’t need a box — just a PC, a cable, and free tools like CF-Tools.

🧑‍🔧 My Repair Case

A customer came to me with their Realme 9 Pro 5G, which had no IMEI and couldn’t make calls or connect to mobile data

They had tried to root and flash the phone, and ended up with IMEI 0/Unknown. I followed the method below using CF-Tools and within 20 minutes, the IMEI was back, and the phone was working normally again.

✅ What You’ll Need

•  A Windows PC
• Realme 9 Pro 5G (RMX3472)
• USB Cable
• Android 13 Deeptesting APK
• Backup QCN File
• CF-Tools 
• 
  
• 📋 Step-by-Step Instructions
• 🔓 Step 1: Decrypt Token

•  This helps unlock hidden settings.
• Use CF-Tools or your method of token decryption.
• 
  
• 🧪 Step 2: Enable DIAG Mode
•  Dial *#8011# on the phone.
• You should see Diag mode enabled.
• 
  
• 💾 Step 3: Backup Your QCN

• Open CF-Tools, go to the QCN tab.
• Choose Read QCN and save your backup.
• 🔓 Step 4: Unlock Bootloader

•  Install the Android 13 Deeptesting APK.
• Follow steps inside to apply for bootloader unlock.
• 
  
• ⚙️ Step 5–7: Unlock with CF-Tools

•  In CF-Tools, go to the Fastboot tab.
• Choose  Realme → Unlock Realme Bootloader.
• The phone will show a message — allow it.
• Phone will reboot and reset.
• 
  
• 🔌 Step 8–10: Reconnect and Prepare

•  After reboot, enable USB Debugging again.
• Dial *#9434# to check that the token is still green.
• Go to ADB → Reboot to Fastboot in CF-Tools.
• 
  
• 🧼 Step 11: Reset EFS

•  Go to Fastboot tab → Realme → Reset EFS Realme.
• This will clear corrupted IMEI data.
• 🛠 Step 12–14: Enable Diag Again + Write QCN

•  Dial *#8011# again to enable Diag.
• Go to Repair tab → Write QCN.
• Load your saved QCN or use this one:

👉 QCN Folder Link

📝 Step 15–17: Final Steps

•  Select Write QCN.
• Wait until the process is 100% complete.
• Restart the phone. You're done!
• 
  
• 🟢 Final Result

•  IMEI numbers are now restored.
• Mobile network is working.
• No need for a box or flashing software.
• ❓ FAQs (Frequently Asked Questions)
• 
  
• 🔹 Q1: My IMEI is showing 0. What caused this?

Usually happens after flashing, rooting, or resetting the EFS partition. But don’t worry — it can be fixed.

🔹 Q2: What is a QCN file?

A QCN (Qualcomm Calibration Network) file stores IMEI and network calibration data for Qualcomm devices.

🔹 Q3: Do I need a flashing box or paid tool?

No. You only need a PC and CF-Tools (free tool). No need for Octoplus, UMT, or Chimera.

🔹 Q4: Will this work on Android 13 only?

Yes. This method is for Android 13. If you're on Android 12 or lower, other methods might be easier.

🔹 Q5: What if the phone doesn’t enter Fastboot or Diag?

•  Try different cables or USB ports.
• Make sure drivers are installed.
• Use proper boot key combo: Vol+ + Vol– during connect.