Editing NV items can permanently disrupt your device's cellular hardware if done incorrectly. Furthermore, changing or altering an IMEI number is illegal in many jurisdictions worldwide. This tool should only be used to or recalibrate signal bands on owned hardware for repair purposes. Always maintain a verified backup before writing any data to the modem partition.
: Ensure your USB cable is stable. A disconnection during a write cycle can corrupt the EFS partition.
Wait for the log window to display a success message, then restart your phone. Safety Guidelines and Troubleshooting download nv-items-reader-writer-tool.zip
Writes saved NV configurations back onto a device to restore lost cellular signals.
Set the range of NV items you want to read (e.g., 0 to 65535 for a full backup). Click and choose a location to save your backup file. Step 4: Write or Restore NV Items Editing NV items can permanently disrupt your device's
Install the official Qualcomm HS-USB QDLoader 9008 and Diagnostic drivers on the PC.
⭐⭐⭐⭐☆ When the correct Qualcomm drivers (such as HSUSB Drivers) are installed and the device is in the correct mode (usually Diagnostics Mode/Diag Mode), the tool is remarkably fast. Reading the entire NV partition takes only seconds. The read/write success rate is high on supported chipsets (Snapdragon series). Always maintain a verified backup before writing any
NV items contain unique device data such as calibration parameters and network identifiers. Never write an NV file from a different phone model to your device, as this can lead to a "No Service" issue or a hard brick. Always perform a "Read" and backup your original data before making any changes. Where to Download
Should I search for more detailed instructions on a specific use case, like restoring an IMEI for a particular phone model?
Resolve "Unknown Baseband" errors by rewriting missing NV items.
Navigate to Settings > Developer Options on the Android device and enable USB Debugging.