SIGMA sd Quattro Firmware is now available for download.
This firmware improves various functions and the stability of the sd Quattro.
Users for download and update

Customers using the SIGMA sd Quattro
* It is not possible to use this firmware in the DP series, DP Merrill series, dp Quattro series, SD9, SD10, SD14, SD15, SD1 and SD1 Merril and sd Quattro H.

Software to download.
SIGMA sd Quattro Firmware Ver.1.05
This firmware update is for SIGMA sd Quattro camera that have the firmware "Ver.1.04" or earlier.
* If your camera already has firmware "Ver.1.05", there is no need to do this update.

Benefits of this firmware update
Ver.1.05
It has corrected the phenomenon that some noise in the left part of the display monitor can be found, when the magnification ratio is set to 4x and the focusing of the image is adjusted.
It has corrected the phenomenon that the images taken by the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary occasionally show some irregular color rendering.

SD Quattro新版固件，只适用于SD Quattro，SDQH不通用。
适用于1.04或更早版本的SD Quattro相机，若您的相机固件已为1.05版则不需要更新。
更新内容：
解决了即时取景4倍放大时调整对焦距离造成的取景器左侧出现噪点的问题。
解决了使用SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary镜头时偶尔出现的颜色渲染问题。

安装步骤大致为保证电池电量大于50%，升级文件放入SD卡根目录中，相机系统设置中选择固件更新，确定后将相机放在安全的地方不要碰，等待读条完毕。最好确保SD卡中一次只有一个固件。

网盘链接：
http://pan.baidu.com/s/1hrVUJZY
（同时包含1.01 1.02 1.03 1.04固件）

附上Sigma国际官网固件链接，有官网情节的各位直接上官网
http://www.sigma-global.com/en/download/cameras/firmware/
本帖最后由 jianghanpeng 于 2017-4-22 05:44 编辑

哎。SDQ天天更新固件，这是把DPQ抛弃了么

谢谢分享，希望别破坏1.04提高的精准对焦
本帖由IOS客户端发布

LZ好人，多谢。