Two possibilities, first is that being a hardware thing, as micro SDHC have a little notch you can easily notice which matches another notch in the reader and that basically just enables it in read-only mode. ![]() UPD3: There was no glue near me, so I've decided to buy another card-reader. Perhaps, I have to find some glue or something to get that switch stuck. UPD2: I've found a small "lock" switch on my card adapter, and it turns out, that when I insert it in my notebook, it switches on. I/O size (minimum/optimal): 512 bytes / 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes So, can anybody tell me, how can I write a data onto the card? ![]() When I try to insert such a "read-only" card in my mobile phone, everything's OK and I can write data on it. I've encountered it on Ubuntu 12.04 LTS, now I'm on Ubuntu 12.10, the problem is still on it's place. This problem happens for all microSD cards (I've tested 2 cards). ![]() And I can't change the permission policy for it. The same thing happens when I try to do it under root. When I insert a MicroSD memory card into it, I can't write any data on it - it's read-only. I have a MicroSD card reader in my notebook.
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