Old text issue
Incident Report for Remind
Earlier today, a cell carrier issue caused old texts to be resent. If you have received Remind texts, you may have experienced this issue. The good news is that this has been resolved and was unrelated to the Remind service.

Here's an article with more information: https://www.huffpost.com/entry/cell-phones-mysterious-text-messages_n_5dc4424fe4b0d8eb3c917dcf
Posted Nov 07, 2019 - 12:40 PST
This incident affected: Text and Email Messages.