iPhone Duo crease: how well Apple hides it won't be clear for a long time

Apple's first foldable, the iPhone Duo, uses a matte nano-texture display coating to make the screen crease less visible. Early hands-on impressions show a barely noticeable crease, but its durability under months of folding remains unproven.

• iPhone Duo features a matte nano-texture display coating to cut glare
• The crease is barely noticeable in early hands-on sessions
• Long-term crease durability after thousands of folds is untested
• The phone goes on sale next month