In this case, 3G/4G is the network being eliminated and is transitioning to the next generation of network known as “LTE”. Simply put, 3G/4G sunset marks the upcoming end of support of aging 3G & 4G networks by telephone companies .
Read moreWhy is 3G shutting down?
Why are 3G networks being phased out? As mobile carriers seek to upgrade their networks to use the latest technologies, they periodically shut down older services, such as 3G, to free up spectrum and infrastructure to support new services, such as 5G .
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