First message on iMessage

Hello penny_,

If you're trying to locate a specific messages within a thread, you can try to use the search feature on your iPhone. If you know any of the keywords that were used in that message, you can try typing them in the search option.

If needed, this article will guide you on using Search on your iPhone.

Use Search on your iPhone, iPad, or iPod touch - Apple Support

Outside of using this feature, you would just have to scroll through the messages. If you'd like to leave feedback on this for Apple, you can use the link below.

Product Feedback - Apple

Thank you for using Apple Support Communities.

Hello penny_,

We're happy to help. In order to scroll up to the first message, tap the top of the screen where it shows your signal strength and battery level.

Let us know if that works. Cheers!