On iPhone, if you want to turn on the narration touch feature of "Undiscovered Items", you can follow the steps below:
First, find and click the "Settings" icon on the home screen of your iPhone to enter the phone's settings interface.
In the settings interface, slide the screen and find the "Accessibility" option, click to enter.
In the accessibility interface, find and click the "Narration" option to enter the setting interface of the narration function.
In the narration settings interface, continue to slide the screen and find the "Audio" option, click to enter.
In the audio settings interface, find and click the "Narration Sound and Touch" option to enter the detailed settings interface for this function.
In the narration sound and touch settings interface, find and click the "No items found" option. On this page, just turn on the "Touch" option.
Through the above steps, you have successfully turned on the narration touch function of "Undiscovered Items" on your iPhone. Hope this guide is helpful to you!