Taiwan, China, announced that it will shut down 3G services before June 30, and the idle frequency bands will be invested in 5G development.

Thanks to netizen Liu233 for submitting the clue! According to news on March 31, according to the official websites of the three major operators in Taiwan ("Chunghwa Telecom", "Far EasTone Telecommunications", and "Taiwan Mobile"), relevant operators will shut down 3G networks in Taiwan before June 30. By then, mobile phones that do not support VoLTE will not be able to make calls in Taiwan.

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Notice that Chunghwa Telecom claimed that the 3G network has a history of more than 20 years in Taiwan. After shutting down the relevant 3G base stations , in the future they will focus on building 5G base stations, and existing 4G/5G voice calls will be converted to use VoLTE (Voice over LTE) technology. Far EasTone Telecommunications/Taiwan Mobile claimed that now that the global 5G network has gradually become popular, the 3G network can be said to have "retired after success". After shutting down the 3G base station in the future, the 2100 MHz frequency band used by the 3G network will be used for 4G / 5G communications to improve related services.

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