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Failed to open MMC block device: Permission denied

Open KrysK66 opened this issue 8 months ago • 2 comments

Interesting result. I have an SD card locked by Garmin, tried to erase and format. SDtool recognizes the card, but Unclock command brings the following: [-] Failed to open MMC block device: Permission denied. The same with Status and Reset. So it looks that the Micro SD is locked in a different way, a special permission needed?

KrysK66 avatar Apr 12 '25 21:04 KrysK66

You need to have root privilege when using it.

Terminarox avatar Jul 20 '25 20:07 Terminarox

Thank you, will try again.

KrysK66 avatar Jul 21 '25 02:07 KrysK66