Screen fingerprint check: When the screen is black, remove the protective film, check the screen fingerprint, and then wipe the screen with a dust-free cloth to check the appearance of scratches and other stolen goods
Screen fingerprint check: black screen condition, tear off the protective film, check the screen fingerprint, and then wipe the screen with a dust-free cloth to check the appearance of scratched booty and other appearance
Screen fingerprint inspection: under the condition of black screen, tear off the protective film, check the screen fingerprint, and then wipe the screen with a dust-free cloth to check the appearance of scraped dirt and other things<br>