An Alpha builds for firmware 1.00C is available in the unstable development section of the Download page. Report bugs or other firmware versions in the porting thread


Technical DataEdit

  • Digic 6 image processor
  • DryOS operating system
  • 20 megapixels, 1" back-illuminated CMOS sensor
  • 4.2x optical 24–100 mm (35mm equiv) zoom lens, F/1.8 - F/2.8

  • Specifications:
DPReview specifications

Firmware info Edit


CHDK SpecialtiesEdit

  • "firmware update" loading is not currently supported in the autobuild, you must use the Bootable SD card method.
  • The default alt button is CONNECT (wifi button). Alt can also be assigned to PLAY, VIDEO or DISPLAY

For DevelopersEdit

General info:Edit

  • DryOS v2.3, release #00R58 p3.
  • Main FW start address: 0xFC020000


Green LED under 4 way controller


turn on with 0x4d0002, off with 0x4c0003

Available firmware dumpsEdit


Download location for firmware dumps:
P&S firmware dumps mirror

Porting process & linksEdit

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