I cant upgrade USG40 V4.33 to V4.70

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Hi, this message show when try to upgrade from v4.33 to this version: V4.70, 4.65,

errno: -42007
errmsg: Firmware content error!

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  • CHS
    CHS Posts: 177  Master Member
    First Anniversary 10 Comments Friend Collector First Answer
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    Did you unzip the firmware package?
    After unzip the packet, upload 470AALAC0.bin to your device.

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