Knock the screen twice with two knuckles,Huawei Mate 8

Record not just pictures, but also videos by using the ‘screen recorder’ feature in Huawei Mate 8.

Steps:
Knock the screen twice with two knuckles, and then choose a video format.

-6” FHD Screen, 1080p (1920 x 1080), 368ppi
– Kirin 950, Octa-core+ i5 co-processor
-16MP, F2.0, OIS, BSI CMOS Rear camera +8MP Front camera
-Android 6.0
-4GB RAM + 64GB ROM, EMUI 4.0
-4G TDD LTE
-Battery 4000 mAh