ITP01/A40 Why can't I share pictures from my iPhone gallery to the app for printing?

Notice: iPhone does not support forwarding pictures directly from the gallery to the Peripage App for printing.Therefore, please do not forward the pictures in the gallery to PeriPage App for printing, but open the pictures from PeriPage App for printing.

The specific operations are as follows:

1) Successfully connect the A4 printer to the APP: http://u.pc.cd/B8M

2) Open the App----Click "Photo Printing"----Click "Picture beautification", find the picture you want to print and check it, then click "Confirm". 

3)  Click "Layout method"----Select print size----Choose image layout method----Print