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inigyou 3 hours ago  [ - ]

There is a carrier neutral WhatsApp, called SMS.

nujabe 3 hours ago  [ - ]

Not even remotely close.

prmoustache 2 hours ago  [ - ]

For natural disaster emergency annoucememt it is more reliable than whatsapp.

gsich 2 hours ago  [ - ]

Cell Broadcast yes, SMS no.