Your text message conversations are not being listed in the right order on your Samsung Galaxy S5. Messages not stacking properly with Samsung S5. Text messages always displayed in the wrong order on Samsung Note 4. Messages won’t follow each other on Galaxy Note 4 Edge or other.
This is a common issue and is very easy to fix. If your text messages aren’t being displayed in the proper order, this is due to having the wrong timestamps on the text messages. To fix this issue:
Go to Settings > Date and time
Make sure “Automatic date and time” and “Automatic time zone” are checked ✓
Test by sending new messages, and issue should be resolved.