If the flash process hangs, it is often due to a connection drop. Try a different USB port (preferably USB 2.0) and perform a hard reset on the phone before trying again.

: The tool will notify you if a "New Update" is available. Click the update button to begin the process.

CSMG B2C Client Tool (often bundled as the LG Mobile Support Tool

Csmg B2c Client Tool Download New ~repack~ Jun 2026