As the [1] page says, it won't be supported because the processor inside it is too old. CHDK works only with DIGIC II or DIGIC III - A520 has DIGIC (I) processor.
As the [1] page says, it won't be supported because the processor inside it is too old. CHDK works only with DIGIC II or DIGIC III - A520 has DIGIC (I) processor.
As the [1] page says, it won't be supported because the processor inside it is too old. CHDK works only with DIGIC II or DIGIC III - A520 has DIGIC (I) processor.