use the start and stop buttons
iphone home screen- https://www.google.com/search?q=iphone+home+screen&source=lnms&tbm=isch&sa=X&ved=2ahUKEwilm5-k0ur7AhXTEmIAHa_JAREQ_AUoAXoECAIQAw&biw=1366&bih=617&dpr=1&safe=active&ssui=on&surl=1#imgrc=OsEMYh214J7KiM iphone camera- https://www.google.com/search?q=iphone+camera&tbm=isch&ved=2ahUKEwj9pMbQ3Or7AhWUsHIEHctbA-UQ2-cCegQIABAA&oq=iphone+camera&gs_lcp=CgNpbWcQAzIICAAQgAQQsQMyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQyBQgAEIAEMgUIABCABDIFCAAQgAQ6BggAEAgQHjoECAAQQzoHCAAQsQMQQzoKCAAQsQMQgwEQQzoICAAQsQMQgwFQgQlY4VJg0FdoB3AAeACAAVGIAeUNkgECMzOYAQCgAQGqAQtnd3Mtd2l6LWltZ7ABAMABAQ&sclient=img&ei=oDaSY_3UOpThytMPy7eNqA4&bih=617&biw=1366&safe=active&ssui=on&surl=1#imgrc=EfdWXLEESLK_HM hand- https://www.google.com/search?q=cartoon+hand&tbm=isch&chips=q:cartoon+hand,g_1:finger:335J3Zf4Iec%3D&hl=en&sa=X&ved=2ahUKEwj_v-Dw1er7AhXJGVkFHRl1CTsQ4lYoCXoECAEQNA&biw=1366&bih=617&safe=active&ssui=on&surl=1#imgrc=9ukj3HxmPwmXWM
