Apple phone inspection methods

1, the appearance (scratches and gaps), the tail screw (disassembly)

2, screen, long press the desktop icon in the screen slide once (check the original color display), (check the screen is loose)

3, 3D tuch (long press the desktop software appears), some machines without

4, camera (open the camera to see the focus), (flash), (white background to see if there are dark spots), (black background to see if there are red spots)

5, microphone, record video with sound

6, gravity sensor (open the compass)

7, button, Bluetooth, battery peak value, GPS positioning, charging, vibration

8, face and fingerprint check

9, CPU deficient soldering problem, continuous shooting hundreds of pictures

10, serial number (in the official website query prevail)

11, network (connect F and plug in the card to call)

12, detection (Aisi Assistant) (Hourglass)

13, parts off (ear shake the phone)

14、Account (login to their Apple ID)

15、Hide ID (to restore the phone to erase)

16、Model: N official exchange machine, M retail machine, F official flip machine, 3A3D demo machine, 4N stock machine

17、Country code: CH national, ZP/ZA Hong Kong version, LL U.S. version, KA Korean version, J / A Japanese version

18, * # 06 # to see if the card slot IMEI correspondence, 7 generations before the machine and the back cover correspondence

19, test *3001#12345#*, M for Intel baseband, P for Qualcomm baseband

20, open the analysis data, see if there is a reboot code, panic-fulk + time day