iPhone 4(S) Screen Replacement

14 Questions | Total Attempts: 16

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IPhone Quizzes & Trivia

This quiz is to test your knowledge of a standard iPhone 4 and 4S screen replacement.


Questions and Answers
  • 1. 
    How can you tell the difference between the CDMA and GSM iPhone 4?
    • A. 

      GSM has a SIM card tray.

    • B. 

      The model number on the back of the phone

    • C. 

      GSM is black, CDMA is white

    • D. 

      A and C

    • E. 

      A and D

    • F. 

      A and B

  • 2. 
    In order to assure your repair is successful, and your client is 100% satisfied, what steps must you take before you start a repair?
    • A. 

      Complete diagnostic check list and quote within the app

    • B. 

      Power down the iPhone

    • C. 

      Ensure you have the correct parts, flowchart and tools

    • D. 

      All of the above

  • 3. 
    What’s the first step you take after removing the rear glass during an iPhone screen replacement?
    • A. 

      Carefully unplug the battery from the logic board, use the nylon spudger on the right side of the battery.

    • B. 

      Remove both EMF Shields

    • C. 

      Depends whether it’s a CMDA or GSM iPhone

    • D. 

      Remove the SIM card tray.

  • 4. 
    An iTech must use a metal dental tool when removing the cables and antenna from the logic board. 
    • A. 

      True

    • B. 

      False

  • 5. 
    Use a gentle “flicking motion” rather than a “scraping motion” when removing cables from the logic board.
    • A. 

      True

    • B. 

      False

  • 6. 
    You have to completely remove the six screws, on the mid-frame sides, that hold the screen in.
    • A. 

      True

    • B. 

      False

  • 7. 
    Before removing the logic-board be sure to
    • A. 

      Remove all antenna and cable connections, remove all screws and the SIM card (GSM)

    • B. 

      Remove the wifi antenna connection (CDMA) and leave the bottom carrier antenna attached, remove all screws and the SIM card (GSM)

    • C. 

      Squeeze it tight so the memory doesn't drain out

    • D. 

      Remove the logic-board shields

  • 8. 
    When feeding the LCD (thicker cable) and the digitizer (thinner, longer cable) into the mid-frame, what can get caught and pinched between the mid-frame and the new screen ruining the screen?
    • A. 

      The small loop attached to the digitizer cable

    • B. 

      The fiber optic tube

    • C. 

      The lightening connector

    • D. 

      The mid-frame

  • 9. 
    How do you know the digitizer and the LCD cable made it successfully through the mid-frame without pinching or bending
    • A. 

      The digitizer cable is ~1/8” longer than the LCD cable.

    • B. 

      The lengths of the LCD and digitizer cables are the same.

    • C. 

      The digitizer cable is ~1/8” shorter than the LCD cable.

    • D. 

      The LCD cable is slightly longer than the digitizer cable.

  • 10. 
    Once the new screen is in place and there are no gaps, which screws should you tighten first when seating it?
    • A. 

      The four corner screws

    • B. 

      The six side screws

    • C. 

      The screws on the logic-board

  • 11. 
    What problems might you encounter if you tighten the 6 screws w/ washers before you tighten the 4 smaller screws in the corners of the iPhone?
    • A. 

      The four screws in the corners may not all fit.

    • B. 

      Screen may not sit flush with the mid-frame.

    • C. 

      The LCD and digitizer may not function properly

    • D. 

      Both A and B

    • E. 

      All of the above

  • 12. 
    You can swap out a GSM screen with a CDMA screen for an iPhone 4 because they are the same
    • A. 

      True

    • B. 

      False

  • 13. 
    Once you’ve completed the repair how do you test the functionality of the iPhone?
    • A. 

      Give it the client and ask them to call you if they have any problems

    • B. 

      Call your mom to see how she is doing

    • C. 

      Use the post-repair check list in the app

  • 14. 
    What is the last thing you must do when you hand the repaired iPhone back to the client?
    • A. 

      Give them a hug and thank them for their business

    • B. 

      Ask them to give you a tip

    • C. 

      Ask them to please give you an awesome review using the link on the text they were automatically sent through the app.