Major networks in the U.S. and around the world are beginning to sunset their 2G and 3G networks in favor of 4G long-term evolution (LTE) technologies. The Retirement of 2G and 3G Networks Is Rapidly Approaching. Below is the schedule for the major US Carriers:
6/30/2018: Last day to add 2G-CDMA devices and 3G-EVDO devices on the Verizon Network
12/31/2019: Network sunset. No guarantee of 2G or 3G services beyond this date
Verizon Wireless Sunset Notification
AT&T 2G/3G/LTE Sunset Schedule:
12/31/2016: 2G network sunset
12/31/2018: Last day to add 3G-HSPA+ devices to AT&T
12/31/2021: Network sunset. No guarantee of service beyond this date
12/31/2027: AT&T has committed to make their LTE network available until at least 2027 AT&T IoT Master Agreement: Refer to section 2.8.1
12/31/2021: 2G network sunset. No guarantee of service beyond this date
12/31/2022: 3G network sunset. No guarantee of service beyond this date
12/31/2020: 2G network sunset. No guarantee of service beyond this date 3G network: No announcement of network sunset
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