

X4U Enterprise IP Phone
Firmware
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Firmware VersionRelease DateDownloadRelease NoteMD5
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X4U-2.4.52021-11-17X4U-2.4.52f2e7fe7aa2956dda9f2daadcb386979
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X4U-2.4.32021-09-28X4U-2.4.3b60b42203b8dc7f308ada6f06dd490dc
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X4U-2.4.22021-02-25X4U-2.4.2515a832a11343a0163f0a8d9d9ac595f
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X4U-2.2.112020-10-28X4U-2.2.11846235761f5ee53362c720a5ca4c9042
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X4U-2.2.12020-07-02X4U-2.2.14305c012d71f15a620c38bdb816abce8
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X4U-2.0.52020-05-12X4U-2.0.566e1e73b3a2cabb3301f05bbba5713a8
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X4U-2.0.22020-04-01X4U-2.0.2a6b0c8c681ff3697b856d53db35bcf1e
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X4U-1.0.02019-11-200334715a55c8b2f85b45d1fbe478e683
Document
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Document TypeRelease DateDownloadPreview
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X4U User Manual FR2021-12-01Preview Online
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X4U Datasheet FR2021-10-18Preview Online
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X4U User Manual2019-11-06Preview Online
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X4U Datasheet2019-10-29Preview Online
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X4U QIG2019-10-18Preview Online
Download Prompt
Notice: Before upgrading, please check i12's current firmware version. If i12's version is below 2.6.0, please refer to (http://download.fanvil.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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