https://techship.com/downloads/telit-le910c1-wwx-v-25-30-406-tfi-fw-and-release-notes/
Telit LE910C1-WWX V.25.30.406 TFI FW And Release Notes | Downloads | Techship
This archive contains the Telit LE910C1-WWXD TFI firmware updater tool and related release notes.