• Modem knowledge base from 4pda: EP06, DW5821e, T99W175, FM350, Sierra, L850/L860, RM520N
• DW5821e: AT polling under ModemManager no longer drops the session
• About 150 audit fixes across shell, JS, hotplug, ACL
• RM520N-GL: SINR from QCAINFO, neighbours, cell lock, mode, SIM slots
• Network mode survives modem reboot
• PCIe/MHI modems listed; band profiles for RM520N-GLAP, T99W175, T99W373
• EM7345 treated as Intel XMM
• EP06: cell lock and 256QAM; DW5821e: uplink CA
• T99W175: bands from modem, 5G cell lock, WCDMA metrics
• Secondary carrier levels, antennas, RI/CQI/TX power on Foxconn/Dell
• FM350: RX paths, ECELL, PCIe profile
• Sierra: SELRAT mode, LTEINFO neighbours, EM7565/EM7511 profiles
• VOS 5G / Compal RXM-G1 (05c6:9091) via ModemManager
• Idempotent default routes; source-specific IPv6 routes untouched
• Modem switch failure now reported
• AT console confirms dangerous commands
• SMS sender with raw CR no longer re-notified
• Field-tested on EP06-E and FM350-GL