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Lantronix NTC_22x Software
Software Release Notes
Copyright 2020 (c) Lantronix Inc.
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RELEASE SUMMARY
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Version:      2.3.0.0R14
Release Date: Jan 19, 2026

Previous version was 2.1.36.0

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RELEASE STATUS
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  Alpha         ( )
  Beta          ( )
  Supplemental  ( )
  Production    (x)
  Test          ( )

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PRODUCTS SUPPORTED
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GENERIC FIRMWARES

Firmwares
1) ntc_220_2.3.0.0.signed.cdi(md5sum: 4e90caac718aa262d50e2a143b3479e0): NTC-221, NTC-222, NTC-223, NTC-224
2) vzw_220_2.3.0.0.signed.cdi(md5sum: 9de31e6c82c42006de8bcb1b9de5c8d0): NTC-225-01
3) ntc_227_2.3.0.0.signed.cdi(md5sum: e783de5fc201d8205356cfb96614b2dd): NTC-227

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NEW FEATURES
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1) Add an OpenVPN client port option to web UI (AC-188)
2) Destination IP address field for inbound rule added (AC-354)
3) Option to revoke OpenVPN certificate (AC-204)
4) Return Subscriber Number through CLI (AC-193)
5) Add Percepxion Support in the NTC-22x series (AC-410, 1087, 1080, 1078, 1090, 1093, 1094, 1096, 1095, 1103, 1090)

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Bug Fixes
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1) Branding and web user interface related changes (AC-977, 981, 975, 972, 974, 963, 1075, G-687)
2) Firmware update fix via TR-069 (AC-982)
3) Firmware upgrade logic improvements (AC-751, 957, 729)
4) Improvement relating SIM registration failure due to Auto APN selection (AC-559)
5) Improvement to log capture (AC-980, 766)
6) Improvement to OpenVPN config page issue (AC-540)
7) OpenSSH upgrade from 8.8 to 9.8 (AC-434)
8) Security enhancements related to EN18031 compliance requirements (AC-1025, 979, 985, 986, 983, 984, 748, 993, 994, 995, 1015, 962, 622, 624, 628, 633, 634, 644, 687)
9) Update default OpenVPN auth digest parameter (AC-355)
10) Web user interface logic improvement (AC-535)
11) Improvement to clear functionality when composing SMS (AC-1005)
12) Improvement to periodical system time syncronization function (AC-1035)
13) Flash management improvement - increase write interval of GPS positioning data (AC-1032, AC-1060)
14) Integration of existing IPK: ntc-224-att-set-mtu-disable-oma-autoreport_1.0.0_arm-signed (applicable to NTC-224 series)
15) Integration of existing IPK: ntc227-lte-band-fix_1.1_arm-signed (applicable to NTC-227 series)
16) Fix to DNS not working after firmware upgrade.  (AC-1001)
17) Fix support for SSH get/set configuration & ssh key management via SMS (AC-1127, G-658)
18) Auth set to None in default profile of data connection. (G-630)

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REMOVED FEATURES
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KNOWN LIMITATIONS & ISSUES
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1) Downgrading to a version older than 2.3.0.0R1 may require a factory reset to login into the device(due to the password encryption feature).
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WARNINGS
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