My friend's iPhone has stopped sending text messages to one of his contacts, but still works fine with everybody else.
It was all working fine, then he sent an MMS (which never arrived), and after that, all SMS messages fail. Sounds like the attempted MMS has blocked everything after it.
He never had any problems texting this contact previously, and again, he is still able to SMS everybody else in his phonebook. Just not this one contact.
Anybody got any suggestions?
He's turned it on and off, removed and replaced SIM card, gone into flight mode and back out, connected to wifi, tried again in different locations with varying quality signal, and deleted the failed MMS from the conversation. All of these had no impact on the problem.
Help much appreciated!
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