fne8w2ah@lemmy.world to Technology@lemmy.worldEnglish · 2 days agoCustomers suddenly find their new phones can't make calls or send textswww.abc.net.auexternal-linkmessage-square47fedilinkarrow-up1236arrow-down14
arrow-up1232arrow-down1external-linkCustomers suddenly find their new phones can't make calls or send textswww.abc.net.aufne8w2ah@lemmy.world to Technology@lemmy.worldEnglish · 2 days agomessage-square47fedilink
minus-squareelvith@feddit.orglinkfedilinkEnglisharrow-up3·2 days agoIt’s not only the frequencies, but also the modulation and the protocol (“how devices talk to each other”). Your phone may support all needed frequencies and might still not be able to “talk” to the network.
It’s not only the frequencies, but also the modulation and the protocol (“how devices talk to each other”). Your phone may support all needed frequencies and might still not be able to “talk” to the network.