Joke Collection Website - Blessing messages - Unicom SMS said that my card has been in service for many years, let me change it! ?
Unicom SMS said that my card has been in service for many years, let me change it! ?
The mobile phone card used by Unicom 2G old users is SIM card. Now the 4G network standard LTE is the mainstream network, which can enjoy the convenient service brought by high-speed network, and the tariff of 4G service is more favorable. However, when using Unicom's 4G service, the USIM card needs to be replaced. It is recommended to change the card and use Unicom's 4G service.
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