Sierra Wireless Technical Bulletin: AT&T 3G Sunset Impacts to AirLink LTE Routers

Mar 17, 2022 - Author: Sierra Wireless - Version 1.2.1 - 2743 Views

Products: AirLink® RV55, LX60 and LX40 


AT&T announced that their 3G network sunset process will commence on February 22, 2022. As a result of these changes, select AirLink RV55/LX40/LX60 LTE routers will require an ALEOS update. Otherwise they will cease to connect to the AT&T network.


This bulletin identifies the affected product SKUs, provides additional information from AT&T, and presents a timeline for the upcoming ALEOS release that will prevent network connectivity issues.


Customers are reminded that AT&T SIMs provisioned to operate on the 3G network only will cease to function when the AT&T 3G network is shut down. All AirLink routers require an AT&T SIM configured for 4G to remain connected after the AT&T 3G network shutdown.

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