https://www.theguardian.com/technology/2023/feb/22/oppo-find-n2-flip-review-hinge-phones-crease > Clamshell phone with longer battery life aims squarely at challenging Samsung’s Z Flip 4 > Oppo’s first folding flip phone to be sold outside its Chinese home market is the Find N2 Flip, an Android clamshell aimed squarely at challenging Samsung’s popular Z Flip 4.