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My friend’s iPhone 4S Sprint model was recently repaired, and everything worked except the back camera. The phone will turn on normally and take pictures with the front camera, but switching to the back camera will cause it to freeze. Under closer inspection, I saw two missing components (Capacitors or resistors) near the back camera module. If possible, can any of you link me to a schematic or identify the missing components? Here’s a picture of the logic board with the damaged areas circled (might need to zoom in)
Guchi, the components you are missing are L36 and C171. L36 is a 240OHM-350MA filter in a 0201 package. Something like this should work. C171 is a 4.7UF 6.3V 20% capacitor on a 402 package. Something like this will work. Both components are part of your main camera circuit. both components are very small (around 1.00mm x 0.50mm) so they do require special tools and great skills to be resoldered. If you have not done any microsoldering before, I would consider getting it done by somebody who has those tools needed. Hope this helps, good luck.
