3 ms·
It is probably using cell broadcasts: https://en.wikipedia.org/wiki/Cell_Broadcast https://en.wikipedia.org/wiki/Cell_Broadcast
by nameequalsmain 3y ago
It is probably using cell broadcasts: https://en.wikipedia.org/wiki/Cell_Broadcast https://en.wikipedia.org/wiki/Cell_Broadcast
- supernova87a 3y agoAh, thanks that explains it -- (follow the link also for https://en.wikipedia.org/wiki/Wireless_Emergency_Alerts https://en.wikipedia.org/wiki/Wireless_Emergency_Alerts )