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As of '''February 22nd, 2022''', AT&T, due to ongoing network improvement and 5G service expansion, will phase out its 3G network. This article will describe what steps are necessary to prepare for upcoming changes.  
 
As of '''February 22nd, 2022''', AT&T, due to ongoing network improvement and 5G service expansion, will phase out its 3G network. This article will describe what steps are necessary to prepare for upcoming changes.  
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== Teltonika Networks devices ==
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While AT&T will shut down its 3G network, Teltonika Networks devices will still work with other 3G service providers. There will be a required firmware upgrade to ensure stability and compatibility with regulation changes.
      
== What actions do I need to take? ==
 
== What actions do I need to take? ==
 
You must upgrade the affected devices (table below) to the latest firmware before '''February 22nd, 2022''', to avoid service interruptions on AT&T 4G network.
 
You must upgrade the affected devices (table below) to the latest firmware before '''February 22nd, 2022''', to avoid service interruptions on AT&T 4G network.
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While AT&T will shut down its 3G network, Teltonika Networks devices will still work with other 3G service providers. There will be a required firmware upgrade to ensure stability and compatibility with regulation changes.
    
== Affected products ==
 
== Affected products ==

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