ALEOS Release Notes

This page provides links to release notes for ALEOS software releases from December 2021 to the present, plus links to each router's most recent firmware release. 

["Link" – Release Notes page; "✓ F/W" – Firmware page; "n/a" – Not applicable; "EOS" – End of Sale (not applicable); "✓" – Supported]

Version / Date	Release Notes	LX40 / LX60	RV50	RV50X	RV55	MP70	ALMS	Source	Factory	Notes
4.18.0.012 (Mar 2025)	Link	✓ FW	n/a	✓ FW	✓ FW	✓ FW	✓	✓	n/a	•  New features •  Security Enhancements, including password handling changes (see app note) •  Bug fixes
4.18.0.011 (Feb 2025)	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a	n/a	•  Recalled 3-Mar-2025 due to a serious issue. Do not upgrade to ALEOS 4.18.0.011.
4.17.2 (Sep 2024)	Link	n/a	n/a	n/a	n/a	✓ FW	✓	✓	n/a	•  Upgrade MP70s with AAF issues to ALEOS 4.17.2 to address the MP70 AAF issue. See the Bulletin MP70 AAF Issues and the ALEOS 4.17.2 Release Notes for details.
4.17.1.006 (Apr 2024)	Link	n/a	n/a	✓ FW	n/a	n/a	✓	✓	n/a	•  RV50X fix for OpenVPN
4.17.1 (Feb 2024)	Link	✓ FW	n/a (EOS)	✓	✓ FW	✓ FW	✓	✓	✓	•  Available Feb. 5, 2024 •  Upgrade to ALEOS 4.17.1 to remediate the ALMS Connectivity issue identified in ALEOS 4.17.0. See the  ALEOS 4.17.1 Release Bulletin and the ALEOS 4.17.1 Release Notes for details.
4.17.0 (Oct 2023)	Link	n/a	n/a (EOS)	n/a	n/a	n/a	n/a	n/a	n/a	• 18-Jan-2024 Update - ALEOS 4.17.0 has been removed from the Source due to an issue that impacts select routers. See AirLink Product Bulletin - ALEOS 4.17.0 ALMS Connectivity Issue for details. Do not upgrade to ALEOS 4.17.0. Upgrade to ALEOS 4.17.1 to remediate this issue.
4.16.2 (May 2023)	Link	n/a	n/a (EOS)	n/a	✓ F/W	✓ F/W	✓	✓	✓	• AirLink Router Connection Issue update • Security update • ALEOS routers upgrading from versions earlier than 4.16 must first upgrade to ALEOS 4.16 before upgrading to ALEOS 4.17
4.16.1 (Apr 2023)	Link	n/a	n/a (EOS)	n/a	✓	✓	n/a	n/a	n/a	• AirLink Router Connection Issue update requiring an additional factory reset • For routers affected by the Connection Issue, upgrade to ALEOS 4.16.2 • Security update
4.16.0 (Nov 2022)	Link	✓ F/W	✓ F/W	✓ F/W	✓	✓	✓	✓	n/a	• Feature release • Critical Maintenance for RV50 ends Dec 31, 2022 • Final release for the RV50
4.15.4 (Jul 2022)	Link	✓	✓	n/a	✓	n/a	n/a	n/a	✓	• Support for additional eSIM suppliers • Prevents installation lower than this version on newer incompatible hardware • Factory installed only
4.15.3 (Apr 2022)	Link	✓	✓	✓	✓	✓	✓	✓	✓	• Radio module bootloader upgrade • Prevents installation lower than this version on newer incompatible hardware
4.15.2 (Jan 2022)	Link	n/a	✓	✓	✓	n/a	✓	n/a	n/a	• Radio module bootloader upgrade • Prevents installation lower than this version on newer incompatible hardware
4.15.1 (Dec 2021)	Link	✓	n/a	n/a	n/a	n/a	✓	✓	n/a	• AT&T 3G sunset check
4.15.0 (Dec 2021)	Link	✓	✓	✓	✓	✓	✓	✓	✓	• Feature release