I see a thin rectangle with a crossed lines from one corner to the other a fair bit. I thought it meant 'mobile phone' but not according to any search engines - where the mobile phone emoji is given as a little pic of one. Anybody got any idea? Thanks.
It might be that you're not seeing the emoji that your friend sent. You appear to describing the default symbol that's displayed on a phone screen when the device doesn't recognise the incoming data: https://www.quora.com/What-does-the-X-in-the-middle-of-a-rectangle-emoji-mean
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