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The Powershot SX420 IS was released in Jan 2016

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A build for firmware 1.00A is available from the Download page. Use the Porting thread for questions and bug reports.


Reviews and Specifications

Technical Data

  • Digic 4+ image processor
  • operating system: DRYOS
  • Display: 3 inch LCD, 230,000 pixels


For Developers

General info

  • DRYOS R58 (DRYOS version 2.3, release #0058+p7)
  • FW start address: 0xFF010000

LED addresses

0xC022D200
0xC022D1FC

Porting process & links

A port for firmware version 1.00a is available from the Download page.

Porting thread: SX420 IS port

Firmware dumps

  • Firmware version 1.00A

Download location for firmware dumps:

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

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