







Before starting, ensure you have the following ready on your PC:
: The Qualcomm Flash Image Tool (QFIL) or QPST Tool is recommended.
Visit a Vivo authorized service center. Since the V9 is an older model, they may charge a diagnosis fee. They will re-flash the factory certificate file, restoring your original IMEI.
: Downloaded and extracted from GSMMAFIA. Note: A password may be required to extract the file, which is often provided via their Contact Support.
Tools like , Octoplus Box , or Mirage Box have dedicated "IMEI Repair" functions for the Vivo V9. They regenerate the security certificates without needing a shady file from a forum. This costs $10-$20 but is safe.
: Use a tool like QFIL or UMT QC Fire to select the repair file and start the flashing process.
The only permanent fix is to restore the original factory IMEI structure using a signed, original QCN file. This is where has become a benchmark in the GSM community.