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How To Determine The Size Of iPhone NAND Chip

This applies to the following iPhone models:

  • iPhone 6, 6 Plus
  • iPhone 6S, 6S Plus
  • iPhone 7, 7 Plus

You’ll have to look closely, but there is text codes that say the size. Depending on the manufacturer of the NAND chip, the codes may look different.

Take a look at these images & try to match the one closest to yours.

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