Given Japan's propensity for earthquakes and tsunamis, having a standardized system to alert people of the risk of danger would be a beneficial tool to prevent injury. Unfortunately, this alert system had been implemented at the carrier level, requiring carrier-specific apps. For users of unlocked phones on an MVNO, the ability to receive these notifications ranged from zero to inconsistent, dependent on the model of phone used. Now, the Telecommunications Carriers Association has announced that as of Android 8.1, these phones can receive emergency alerts.

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