EOS Rebel T2i / 550D Firmware Update Version 1.0.9 — 11/25/2010


Firmware version 1.0.9 incorporates the following fixes.

  1. Fixes a phenomenon in which tone jumps become noticeable in some images, depending on the shooting scene, when shooting with the Auto Lighting Optimizer settings (Low / Standard / Strong).

Firmware version 1.0.9 is for cameras with firmware up to Version 1.0.8. If the camera’s firmware is already Version 1.0.9, it is not necessary to update the firmware.
Before downloading the firmware update, please be sure to read the entire contents of this page.

For full installation and information click here.

Files for Firmware Update

There are two kinds of compressed files for the firmware update according to your computer’s operating system (Windows, Mac OS X). Please extract it after downloading.
Firmware Update Version 1.0.9 (for Windows extraction)
Firmware Update Version 1.0.9 (for Mac OS X extraction)

Written by Jake Fruia

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