The Powershot S100 was released on Sept 15 2011


CHDK is available for the Powershot s100 with firmware versions 1.00D, 1.00E, 1.01A, 1.01B and 1.02A from Stable and Development branches.


Canon released a firmware update for the S100 on 2013-02-20. There is also a service notice to fix a lens error problem with some S100 cameras. Click on the Product Advisory tab at this link



Reviews and Specifications[]

Technical Data[]

  • Digic V image processor
  • 12.1 MP 1/1.7" Canon CMOS sensor
  • 24-120mm (equivalent) lens range, F2.0-5.9, built-in neutral density filter
  • ISO 80-6400
  • 2.3 fps continuous shooting (9.6 fps for 8 frames in High-Speed burst mode)
  • Full HD (1080p24) movie recording; H.264 compression, MOV format
  • Optical zoom in movie mode
  • Super slow motion movie recording (640x480 @120fps, 320x340 @240 fps)
  • Direct movie record button
  • Built-in GPS unit with image tagging and logger functions

Canon USA - S100 product information

Firmware info[]

The use of ver.req to determine your firmare version may not work. It is recommended you use this utility to determine your firmware version :

For Developers[]

LED addresses[]

power led:  0xC022C30C

Available firmware dumps[]

  • S100 firmware 1.00D full 16MB dump by Digiman1946 (forum link)
  • S100 firmware 1.00E full 16MB dump by hiker_jon (forum link)
  • S100 firmware 1.01A full 16MB dump by The Chief (forum link)
  • S100 firmware 1.01B full 16MB dump by Jasperbuurman (forum link)
  • S100 firmware 1.02A full 16MB dump by Vikingcove (forum link)

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

Canon fw updates[]

  • Official Canon S100 firmware update: Canon USA
  • Official Canon Product Advisory for Lens Issue : link