The solution is to upgrade to Android, but presumably that’s not going to happen.
Are they text messages or iMessages? (Blue, or green?)
iMessage does give you the option of filtering unknown senders, which would at least make them less annoying to deal with (no notifications) at the risk of delaying seeing a legit message for a while. Check it once a day or whatever.
The solution is to upgrade to Android, but presumably that’s not going to happen.
Are they text messages or iMessages? (Blue, or green?)
iMessage does give you the option of filtering unknown senders, which would at least make them less annoying to deal with (no notifications) at the risk of delaying seeing a legit message for a while. Check it once a day or whatever.
Settings -> Messages -> Message Filtering -> Filter Unknown Senders.