The OPPO Find N5, claimed to be the world’s thinnest folding phone, has been put through a durability test.The external screen of the Find N5 scratches at level 6 and the inner screen scratches at level 2.The inner screen of the Find N5 lasted for about 10 seconds during the heat test.The thin form factor of the OPPO Find N5 may have impacted its durability, according to the test results.