Replacing Lenovo’s WWAN Unlock Blob with a 100-Line Bash Script
Summary
The article documents replacing Lenovo's FCC unlock with a lightweight Bash script that performs the unlock handshake for an Intel XMM7560 modem using AT commands. It discusses regulatory context, ModemManager's unlock flow, and demonstrates a fully auditable user-space solution with installation and verification steps, emphasizing transparency and portability for Linux desktops.