[Shai-Hulud]

Originally Posted by luigizanotti

Any idea why when I changed the internal 2Gb MicroSD with a class2 4Gb MicroSD the Kobo became sluggish?

Slow as it is, clearly the Kobo requires at least a class 4 for acceptable disk read/writes though, as Techisol has observed, there will be a threshold beyond which no noticeable benefits will be observed.