X3U Enterprise IP Phone
Firmware VersionRelease DateDownloadRelease NoteMD5
Notice: Before upgrading, please check i12's current firmware version. If i12's version is below 2.6.0, please refer to (http://download.qdjoinf.com/Firmware/Release/iSeries/i12middle_version/how to upgrade i12 firmware to V26 version.pdf) update a middle file first, or it may be damaged.
The installation of transition version is completed. Click OK to download the new firmware version.
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