Fixes:
Firmware Version 1.1.0 incorporates the following improvement.

1. Supports the AF assist beam features of the new flash, Speedlite 270 EX, which is scheduled to be released in April 2009.

Version 1.1.0 firmware is for cameras with firmware up to Version 1.0.9. If the camera’s firmware version is 1.1.0, it is not necessary to update the firmware.
It is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.

Canon EOS Rebel XSi EF-S 18-55IS Kit Firmware 1.1.0

Mirror 1