Ensure you have the Qualcomm Product Support Tool (QPST), which includes QFIL and Software Download .
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The complete stock ROM file (if your device needs a full firmware rewrite first). 2. Required Desktop Software
To read or write IMEI data (QCN), the phone must expose its internal diagnostic port to the computer. Method 1: Via ADB Commands Connect your phone to the PC via USB.
: Professional tools like UMT Dongle (QC Fire) , Unlock Tool , or Chimera Tool are typically required for this operation. vivo v9 imei repair original file by gsmmafia com
You should download the if you experience:
: Backup all personal data, as this process may involve flashing that could wipe the device. Step-by-Step Repair Guide
Step 3: Clear Corrupted Security Blocks (Optional but Recommended)
Go to the tab, browse to the GSM Mafia original QCN file, and click Start . Ensure you have the Qualcomm Product Support Tool
It should show your device at the top as Qualcomm HS-USB QDLoader 9008 (COMXX) . Select under the build type.
It is designed to fix issues like "Invalid IMEI," "IMEI 0000," or "Null IMEI" on the Vivo V9 (PD1730F) model.
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Knowing your hardware ensures you use the correct flashing tools: Qualcomm Snapdragon 626 : Professional tools like UMT Dongle (QC Fire)
This guide gives you the steps to safely flash your phone. It helps you restore your device back to its factory network state. Important Legal and Safety Warning
Carefully input the original IMEI numbers printed on the phone's physical retail box or under the back cover battery compartment. Write the modified QCN back to the device. Reboot the phone. Important Legal and Safety Warnings
Navigate to the top menu and select .