[chbot] Unlocking a microSDHC or SDXC card

[Trevor Wignall]

No, I haven't tried V4, but I did try V5, with similar results as the other
programs.
Trevor

On Mon, Jan 14, 2019 at 3:45 PM Mark Atherton <markaren1 at xtra.co.nz> wrote:

> Have you tried the formatter from the SD Card Association ?
>
> https://www.sdcard.org/downloads/formatter_4/
>
> -Mark
>
> On 14/01/2019 3:30 PM, Trevor Wignall wrote:
>
> Hi Synco
> Yes, they are micro SD cards, and I am using an adaptor but I have tried
> two different adaptors with the same results. I have moved the write
> protect (or "lock") slider to the unlocked position, and for some attempts
> this has given a difference in the error message (i.e. it doesn't even make
> an attempt when write protected).
> The cards worked for a year or more, then each suddenly stopped working in
> the phone, and the phone no longer offered it. A new card then worked
> perfectly in the phone, so it looks like a software write protect on the
> card, or something else corrupted.
> I don't have any Linux computers other than my Raspberry Pi's, but I will
> try to bring the cards (and adaptors) to the next meeting (in one week's
> time I believe).
> Thanks
> Trevor
>
> On Mon, Jan 14, 2019 at 2:46 PM Synco Reynders <synco.reynders at gmail.com>
> wrote:
>
>> Hi Trevor,
>>   Very unusual that you have two cards that don't work. I assume they are
>> microSD size, and you are using the same holder? -since I've found often
>> the holder can have issues.
>> Also make sure you have the 'write protect' slider on the card /
>> card-holder pushed forward (towards the contacts).
>> Many linux commands to test SD cards, like use:
>> lsusb / lsblk to see if the card has been detected
>> then fdisk, gparted, ... for formatting.
>> Bring them allong to next meeting and sure I or someone will sort it out,
>> /s
>>
>> On Mon, 14 Jan 2019 at 14:21, Trevor Wignall <zl3adz at gmail.com> wrote:
>>
>>> Does anyone have any tips or special means to unlock a micro SD memory
>>> card which has been corrupted by a Samsung Android phone? I have tried a
>>> number of methods including trying to reformat them in a camera, using a
>>> Hard Disk Low Level Formatting Tool, using AOMEI Partition Assistant, and
>>> using SD Card Formatter. Nothing seems to be able to change the card's
>>> contents. I have two cards, one of which (64GB SDXC card) is readable, even
>>> after all of the reformatting attempts. The other (32GB SDHC card) is more
>>> totally bricked. I am not worried about the contents of these cards, just
>>> after a way to allow these cards to be reused.
>>> Any help welcome.
>>> Thanks
>>> Trevor
>>>
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>>
>>
>>
>> --
>> Synco Reynders
>>   m: +64 21 1825332
>>   e: synco.reynders at gmail.com
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>
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