LTEBatchDFU vs SecureContactManager

LTEBatchDFU is a batch upgrade tool used to upgrade the firmware of the LTE Beacon products released by KKM. When using this tool to upgrade device firmware, you only need to scan the QR codes of multiple devices to be upgraded. Then start the upgrade, and this app will automatically perform device by device upgrades. After the APP execution is completed, you can receive a list of upgrade results. Through this tool, you can quickly upgrade multiple devices in batch, greatly improving upgrade efficiency.

Free Secure Contact Manager is a simple, fast and privacy-friendly tool for importing, exporting contacts. Import contacts from CSV files, edit them easily, and export them whenever you need. Choose your preferred CSV separator — comma, semicolon or pipe — for maximum compatibility with different systems and applications. Excel-friendly CSV workflow Load your CSV directly using Excel's Load from CSV feature, edit your contacts comfortably, then import the updated file back into the app. Key features: Import contacts from CSV Export contacts to CSV Easy contact editing Comma, semicolon and pipe separators Full Unicode support Multilingual interface Excel-friendly CSV workflow Works completely offline No advertisements Simple and easy to use Your contacts stay under your control. Free Secure Contact Manager is designed for straightforward contact management without unnecessary complexity.