ModemManager Quectel RM520 FCC unlock references

mm-quectel-rm520-fcc-unlock.md

ModemManager Quectel RM520 FCC unlock references

Quectel

• RM520N-GL module installation on ubuntu
  • https://forums.quectel.com/t/rm520n-gl-module-installation-on-ubuntu/40603/10

Lenovo

• Quectel RM520-GL Firmware Switching Tool for Linux Ubuntu
  • README: https://download.lenovo.com/pccbbs/mobiles/n3ywy01w.html
  • Download: https://download.lenovo.com/pccbbs/mobiles/n3ywy01w.zip
• Wireless WAN FCC Unlock and SAR Config tool for Linux
  • README: https://download.lenovo.com/pccbbs/mobiles/n3xwp04w.html
  • Download: https://download.lenovo.com/pccbbs/mobiles/n3xwp04w.zip

ModemManager

Repository: https://gitlab.freedesktop.org/mobile-broadband/ModemManager

Docs

• FCC unlock procedure
  • https://modemmanager.org/docs/modemmanager/fcc-unlock/

Codes

• data/dispatcher-fcc-unlock/meson.build
  • https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/blob/main/data/dispatcher-fcc-unlock/meson.build
• src/plugins/quectel/77-mm-quectel-port-types.rules
  • https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/blame/main/src/plugins/quectel/77-mm-quectel-port-types.rules

Commits

• fcc-unlock: add fcc-unlock specs for new quectel variants
  • https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/commit/2ca948f403157a69cfef69102e910a7519166381
• quectel: Add RM520 with firehose support
  • https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/commit/1fc061b6a533780041de89dd70a2567a265f6080

Issues

• RM520N-GL related issues
  • https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/?sort=created_date&state=opened&search=RM520N-GL
• Add FCC unlock support for Quectel EM05-G (different Device ID, ThinkPad T14 Gen4 Model)
  • https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/issues/858