Important note:
- GXW42xx V2 device uses different firmware file from GXW42xx V1 device. Please use the correct firmware file for V1 and V2 devices as listed in this page.
- To distinguish GXW42xx V2 device from V1 device, please check the label on the back of the device.
(1) GXW42xx V2 has "V2" printed for model name. For example, "Model: GXW4216 V2". If the model name doesn't have V1 or V2 printed, the device is GXW42xx V1.
(2) GXW42xx V2 has the device password printed on the label. GXW42xx V1 does not have it.
- Once the GXW42xx V2 device is upgraded to 1.0.3.x, it cannot be downgraded to 1.0.2 x or earlier version.
- For GXW42xx V2 device on 1.0.1.4 or earlier version to upgrade, the HTTP firmware upgrade path is:
firmware.grandstream.com/GXW42xx_V2_1.0.25.1_for_fw_1.0.1.4_or_lower
- For GXW42xx V2 device on 1.0.3.1 or higher version to upgrade, the HTTP firmware upgrade path is:
firmware.grandstream.com/GXW42xx_V2_1.0.25.1_for_fw_1.0.3.1_or_higher
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