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What does ddi stand for in android OS? My phone g532f couldn't power on, but enter download mode just by using "jig USB" !!.. this message appears in download mode. ddi read failed (in rad color) ddi write failed (in red color)

  • Other Samsung devices show a very similar message: ddi : mmc_read failed (see various posts on xda-devolpers.com). Assuming that it is effectively the same error message, the "mmc" indicates that something is wrong with the flash memory. Therefore my guess would be that you have a hardware defect on the flash memory (unless you installed an update or did other flash changing actions before like installing a twrp or custom rom). – Robert Jul 24 '19 at 14:09

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