: A utility to wipe the current EFS partition (NV data) on the phone, which is often required before writing a fresh QCN file to fix "No Service" issues. Are you building this tool for a specific Qualcomm chipset (e.g., Snapdragon 8 Gen 1) or as a general-purpose utility for multiple brands?
This is the gold standard. It is the official tool provided by Qualcomm to hardware manufacturers and authorized repair centers. qcn file write tool
Professional software used for cellular provisioning. It can read/write NV items individually or via QCN. : A utility to wipe the current EFS