How to Print iPhone Photos
You'd be surprised how large you can print your iPhone photos and still achieve great quality!
Here's a video demonstration about printing your iPhone Photos from our iPhone Photo Academy course:
How To Prepare Your Best iPhone Photos For Printing
And here's a detailed article from our blog:
How To Print iPhone Photos (And How Big You Can Print Them)
Bonus Tip: You can use Image Size app to increase the resolution of your photos.