Apple planning to switch NAND Flash chips in new iPhones due to reported problems?

A new report from BusinessKorea suggests that Apple may be planning to change the type of NAND flash chips it uses for the iPhone 6 and iPhone 6 Plus, following reports of various users problems with higher-capacity models. Citing industry sources, the report states that Apple has decided to discontinue use of triple-level-cell (TLC) NAND as it believes the NAND controller IC contained in the chips to be the cause of recent problems with the 128GB iPhone 6 and 6 Plus models. Although TLC flash memory is the more cost-efficient option, it is also slower than single-level-cell (SLC) and multi-level cell (MLC) NAND flash, and Apple is allegedly looking to switch to MLC NAND flash in the 64GB iPhone 6 and the 128GB iPhone 6 Plus at some point in the future, although it reportedly plans in the meantime to address problems with TLC NAND versions in a coming iOS 8.1.1 update. The iPhone 6 and iPhone 6 Plus are the first two iPhone models to use TLC NAND flash; previous-generation models used MLC NAND flash chips. [via MacRumors]

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