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Using the Wrong Screw: A Painful Lesson in iPhone Repair

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  Using the Wrong Screw: A Painful Lesson in iPhone Repair Rich <rich@example.invalid> - 2014-10-21 12:25 +0000
    Re: Using the Wrong Screw: A Painful Lesson in iPhone Repair RS Wood <rsw@therandymon.com> - 2014-10-21 17:39 +0000

#5387 — Using the Wrong Screw: A Painful Lesson in iPhone Repair

http://hackaday.com/2014/10/19/using-the-wrong-screw-a-painful-lesson-in-iphone-repair/

   If you've ever had to repair an iPhone for a friend, you'll know they
   have a ridiculous number of screws. Most companies standardize screws in
   their products, but since Apple doesn't expect you to fix a phone
   yourself ... they may have let this one slide.

   You see, each of these screws is different.iPhone screws The red ones
   are 1.7mm long, the yellow one, 1.3mm, and the orange one, 1.2mm.

   Guess what happens if you install either red or yellow screws into the
   orange spot, since your eyesight isn't good enough to notice a 0.1mm
   difference? The screw will cut into the PCB and break several 50 micron
   traces, as shown in the picture above, causing a blue screen error on
   the phone.

   Fun stuff.

   ...

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#5395

On Tue, 21 Oct 2014 12:25:53 +0000 (UTC)
Rich <rich@example.invalid> wrote:

>    Guess what happens if you install either red or yellow screws into the
>    orange spot, since your eyesight isn't good enough to notice a 0.1mm
>    difference? The screw will cut into the PCB and break several 50 micron
>    traces, as shown in the picture above, causing a blue screen error on
>    the phone.
> 
>    Fun stuff.

Fair enough, but I thought most people used to doing this sort of stuff
(and even the semi-casual hobbyists, not just the pros) put the screws
on a sticky paper or something in the geometrical order of where they
came out of the device, just to keep everything straight.  I'm nowhere
near the caliber of technician who could dissect an iphone and even I
do that opening up my shortwave radios, etc.

I guess making mistakes like this one are how you learn though, the
painful/expensive way!

(just thought: how awesome would it have been if Apple - as a joke - had made the blue screen resemble Windows' BSOD?  Little Steve Jobs humor ...)

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