How to get a text thread back on iphone

If you want to recover a text message, tap on the thread or message so that it's selected, hit Recover on the bottom right, and then tap Recover Message in the pop-up that appears. You can also recover all of your deleted text messages at once -- don't select any message and then just tap Recover All.

If you accidentally deleted an iMessage conversation on iPhone, you can also check your iPad or Mac if there is iMessage you just deleted: Go to iCloud from iPhone Settings > Toggle off Messages > Choose Disable and Download Messages to fully download messages to this iPhone > Go to iMessage thread to check if the ...