iPhone 6 MLC Or TLC Nand Flash?

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Root > N61AP > AppleARMPE > arm-io > AppleT7000IO > ans > AppleA7IOPV1 > AppleCSI > asp > ASPStorage
default-bits-per-cell = 3 is TLC  
default-bits-per-cell = 2 is MLC  
default-bits-per-cell = 1 is SLC