Quote:
Originally Posted by M.H.
Have you tried using a different SD card?
If you don't have another SD card you could try reformatting it (FAT32).
Is the SD card less than or equal to 2GB (i.e. it must not be an SDHC card)?
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Yes, it's 2GB.
I don't know if I can upgrade. I can only get the following screen.(And it's not repeated. It's just staying at the screen)

Then I press OK button, none response.