there are several explanations at this forum. I cannot find them myself right now. Anyway,
in order to initialize the reader without registering you can add a new line to the "user" table of the database. Fill in any fitting values. Depending on your reset firmware version, the number of values varies.
Example for FW 1.9.12:
Code:
INSERT INTO user VALUES ("0", "0", "0", "0", "0");Example for FW 2.5.0:
Code:
INSERT INTO user VALUES ("0", "0", "0", "0", "0", "0","false")
I think you use the SQLite Database Browser. Right? Open the database file "KoboReader.sqlite". Select "Browse Data" and choose the table "user". Look at line 1 and try to establish whether the values of one of the two examples might fit or whether you have to make some modifications. I guess the second example might be correct for the Mini. Choose Execute SQL, enter the command "INSERT INTO user VALUES ..." and press "Execute query".
I can only confirm that the values work for FW 1.9.12. I did not try it with more recent firmwares. If the reader does not accept your values, you can try replacing them by others (maybe the email address must look like an email address, e.g.
name@xmail.com, or something like that).
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tshering
The factory reset should get you back to the firmware that the device shipped with. But none of the firmware should "break micro SD card support".
Luck;
Ken