CNET Tests iPhone Duo Crease After 139,000 Folds Using Automated Machine

CNET is testing the durability of Apple's folding phone, the iPhone Duo, by using an automated machine to rapidly simulate years of wear and tear. After a week of nearly continuous operation, the test unit has surpassed 139,000 folds.

According to reports and observations from the testing process, the screen crease remains largely unchanged compared to its condition straight out of the box.

Crease Visibility and Display Features

• During Use: When the display is powered on, the crease is difficult to notice during regular interaction.
• When Powered Off: The crease becomes substantially more noticeable when the screen is turned off or observed directly under certain lighting.
• Matte Layer Impact: Apple's nano-texture matte display layer helps disguise reflections and soften the appearance of the crease.

Third-party clips shared online indicate that peeling off the removable matte film makes the underlying crease far more visible, similar to behavior seen in other book-style foldables like the Samsung Galaxy Z Fold 8.

Maintenance and Ongoing Tests

Apple has designed the matte layer to be removable and offers an official replacement service priced at $19 for users with AppleCare or $49 without it.

• Testing Status: CNET's automated folding test is ongoing and will continue until the device can no longer fold.
• Verification: Viewers can check the current condition of the test unit through weekday livestreams on CNET's YouTube channel.