So, this happened to me. iMessage3

A friend of mine is travelling in Japan, and she got a local SIM card for her iPhone to avoid international roaming charges while she is there. Great!

She emailed me her number and I sent her a text to test it out. It was sent as a text message (not an iMessage). This is important for later – remember it.

Pretty much straight away I got a reply from her. Success! All sorted, communications restored.

Or so I thought.

About 12 hours later, I got another message from this same number. This time it was not my friend. It was someone else. Confused, I checked whether the number was correct, and was told this….!

IMessage1 final

WTF? My brain wrestled with this for a while – was my friend still getting the messages? Or were they going to two different phones? These were iMessages (in blue) but my first text message with my friend wasn’t.

After Googling the internet, it turns out that this is a known issue. This poor chap is in a bit of a pickle.

Apple forum

Back to my problem. After a bit of messaging back and forth with my new friend, I asked them to go to Settings > iMessage and turn iMessage off then on again to remove the SIM card number from their phone. I crossed all my fingers and toes for good luck.IMessage2

So far, so good.

But it’s certainly something to be aware of if you change phones or have your phone stolen. Sharing Apple IDs also appears to be problematic.

Here’s the Apple Support thread with a bit more information.

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