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iPhone System board

Posted on 2013-05-26
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Last Modified: 2013-06-19
Got the system board out of the iPhone 4s.  Is there a way to find out the amount of memory just by looking at the board?
Please advice.
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Question by:Tiras25
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Hmm, doesn't really say how to identify the chips for memory capacity.
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The iPhone 4S has 512 MB of LPDDR2 embedded inside the A5 SoC. The markings surrounded in yellow indicate this
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by:Tiras25
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Is that a different memory?  

I am looking for indications 16,32, or 64GB of memory.
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Check this link
http://www.chipworks.com/blog/recentteardowns/2011/10/13/iphone-4s-teardown-a-closer-look-at-the-chips-inside/

and go to the
Memory
The NAND flash memory is a Toshiba 128-Gb (16 GB) 24-nm part, likely 2 x 64-Gb chips


Also here
https://chipworks.secure.force.com/catalog/ProductDetails?sku=TOS-TC58NVG6D2GTA00&viewState=DetailView&cartID=&g=&parentCategory=&navigationStr=CatalogSearchInc&searchText=Toshiba%2024%20nm%20NAND

But, not only Toshiba has memory chips, Samsung does also

From the characters above the chip you can recognize it's size
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Glad to help
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