Check under "Ports (COM & LPT)" to identify your Qualcomm HS-USB Diagnostics port number (e.g., COM3). In the tool, mirror that port number and click Connect .
(Excellent for its intended niche, but docked points for poor UI, lack of safety guards, and dependency on external drivers).
Click to extract your current data and save the file securely. Step 2: Writing New Data Connect the tool to your active COM port. Browse and select the valid backup or modified file. Click Write . Disconnect the device and reboot to apply changes. Safety and Security Notice
A: You have the source code version. Run pip install -r requirements.txt then python nv_tool.py . download nv-items-reader-writer-tool.zip
Secure the compressed nv-items-reader-writer-tool.zip from a reputable mobile repair repository.
Imagine you have an older smartphone that suddenly refuses to connect to any cellular network. You’ve swapped SIM cards and factory reset the device, but the "No Service" icon remains.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Check under "Ports (COM & LPT)" to identify
Click . The tool will scan the NV items from range 0000 to 65535 .
The NV-Items-Reader-Writer tool is a diagnostic software designed to read and modify NV items on Qualcomm-based Android and cellular devices. These items control various hardware and software settings within the modem, including: (for restoring connectivity) Carrier Aggregation settings RF Calibration data Supported frequency bands
: Your device must be in "Diagnostic Mode" (usually enabled via a dialer code like *#*#717717#*#* or through ADB commands) to interact with NV items. Click to extract your current data and save
Last updated: October 2025. Tool version v2.4.1.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. How to edit NV items ?? | Android Central Forum
A: Most versions are freeware or open-source. If a site asks for payment, it’s a scam.
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