Oppo's Find N2 and Find N2 Flip have interesting takes on the foldable phone.
Hands on: Oppo Find N3, Find N3 Flip foldable phones look to challenge Samsung - Techgoondu
Samsung: How Samsung's 10 million foldable phones number has a message for Xiaomi and Oppo - Times of India
Oppo Find N2 Flip review: new hinge decreases the crease, Smartphones
Oppo Find N2 Flip First Impressions: The Galaxy Z Flip 4 we've been waiting for
Oppo Reno Flip 5G Phone is a New Foldable Phone That Teaches Samsung and Motorola a Thing or Two - Concept Phones
Oppo steps into Samsung territory with first foldable smartphone
The Oppo Find N2 Is the Lightest Foldable Phone I've Ever Carried - CNET
Oppo's 2nd-gen foldable flagship joined by flip-style phone
OPPO Find N3 Flip review: The right stuff