: Install the official Qualcomm HS-USB Driver package on your PC. Without these, your computer will not detect the device in Diagnostic Mode.
You can download the tool from various tech forums. Always ensure you are downloading from a trusted source to avoid malware. qualcomm-smartphone-write-imei-tool-v1.01.zip File Size: Small (approx. 1-2 MB)
Using this tool requires several prerequisites. It's not a simple double-click installation. You'll need:
The smartphone must have USB Debugging enabled via Developer Options. Additionally, it must be put into USB Diagnostic Mode (often triggered using root commands like setprop sys.usb.config diag,adb via an ADB terminal, or dialer codes like *#*#717717#*#* on specific platforms). qualcomm-smartphone-write-imei-tool-v1.01.zip
Extract the contents of using a tool like WinRAR or 7-Zip.
: Communicates with the smartphone via the Qualcomm HS-USB Diagnostics Port (Diag Port) for low-level data writing.
: Validates the 15-digit Luhn algorithm requirement for correct IMEI syntax before pushing data. : Install the official Qualcomm HS-USB Driver package
Check the checkmarks for (and IMEI 2 if using a dual-SIM smartphone).
Carefully type the original 15-digit IMEI strings into the respective input fields. Double-check for accuracy.
This is the most common issue. If your PC does not recognize the phone, ensure your Qualcomm USB drivers are up-to-date and try changing the USB port on your computer (preferably using a USB 2.0 port directly on the motherboard). Always ensure you are downloading from a trusted
Before proceeding with the restoration process, ensure you have gathered the following components to prevent bricking your device:
The tool communicates with the device through a "Diagnostic Port" (Diag Mode), which must be enabled on the phone via secret codes (like *#*#717717#*#* on some models) or ADB commands before the tool can detect it.
The IMEI (International Mobile Equipment Identity) is a unique 15-digit identifier assigned to every mobile phone. It is the digital fingerprint of your device, used by carriers to validate a phone on their network and by authorities to track stolen devices. When this IMEI becomes corrupted, nullified, or mismatched, the phone may fail to connect to cellular networks, show "Invalid IMEI," or refuse to register on any carrier.
Click the , Start , or Execute button to begin the flashing process.