iPhone4 Memory Chip Location

Where is the long term memory module on iPhone 4?
I actually disassembled it and took out the motherboard, but I am unsure which module is the long term memory.
Hope someone can help.
mawinghoAsked:
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Serena HsiMarketing ConsultantCommented:
Here is a teardown of the iPhone 4, with images. Hope this helps.
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Jackie ManIT ManagerCommented:
iPhone 4 Teardown
Flash memory (long-term memory module): Samsung  K9PFG08 (16GB/32GB MLC)

Source: http://slideplayer.com/slide/6202334/18/images/12/iPhone+4+Teardown+512MB+Mobile+DDR+Audio+Codec+(Cirrus+Logic).jpg
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mawinghoAuthor Commented:
So the 32GB flash memory is where the content of the iPhone stored?
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Jackie ManIT ManagerCommented:
So the 32GB flash memory is where the content of the iPhone stored?

Yes, both the iOS and your data.

But, you cannot get your data on disassemble of the flash memory and attach it to another system as the flash memory is encrypted.
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mawinghoAuthor Commented:
This is my iPhone 4 motherboard. So as long as I damage it, no one can get my data, right?

Image 2
Image 1
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Jackie ManIT ManagerCommented:
Theoretically, if you do a factory reset, no one can recover the data and you do not need to damage it.

The data is in 32GB flash memory, not on the motherboard.

If you do not do a factory reset and only damage the motherboard, it will be possible, but unlikely that law enforcement agencies can recover the data using forensics equipment and a super computer to decrypt the flash memory in the future, not now.
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mawinghoAuthor Commented:
I mean damage that SanDisk memory on my second image.
Are you sure no other modules can store permanent data?
What is the best way to break the Flash Memory?
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Jackie ManIT ManagerCommented:
Are you sure no other modules can store permanent data?

100% sure

It is not SanDisk. It is Samsung flash memory.

Using a hammer to smesh the flash memory into pieces and no one will be able to rebuild it from pieces.
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mawinghoAuthor Commented:
If you see from my image, it is written as SanDisk in my iPhone motherboard, it's same location of the memory in your image.
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Jackie ManIT ManagerCommented:
Ok. I do not zoom into your photo. SanDIsk is the flash memory supplier for your iPhone 4 and they are generic.
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mawinghoAuthor Commented:
Great. Thanks for your help.
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mawinghoAuthor Commented:
Thank you very much for your help.
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Jackie ManIT ManagerCommented:
Glad to know you have cleared your doubts.
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