Using CSS is tantamount to creating a fake 2G mobile tower and tricking the target phone into connecting. All major carriers in the U. S. , with the exception of T-Mobile, have disabled their 2G and 3G networks, though T-Mobile plans to do so. in April 2024.
However, all mobile devices can connect to 2G and 3G towers, as many countries still have active 2G networks. Some emerging countries rely solely on the old standard. Therefore, brands should not remove this feature as it may leave a portion of their user base without service.
In 2021, Google launched an optional feature for Android devices to disable the ability to connect to 2G networks. However, at most all third-party Android brands do not implement this feature. The most notable is Samsung, which has no plans to allow it. This feature. Apple also has the factor in recent years. However, iOS 17 introduces lock mode, which prevents iPhones from connecting to unsecured 2G towers.
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