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Thread: PBX M8L firmware question

  1. #1

    Default PBX M8L firmware question

    Hi all,

    I tried to upgrade the pbx m8l from firmware 5.3.23 to 5.3.53
    But when I load it, I get the message invalid firmware and won't update.
    I checked the firmware and from what I can see the firmware version is correct

    Does anyone have an idea why?

    Thanks in advance,

    Last edited by zet; 10-30-2013 at 02:49 PM. Reason: forgot to say something

  2. #2



    The FW 5.3.53 for 8L was downloaded from the epygi web and installed many times, so it is valid for sure. Maybe it was damaged when downloading. Please download and try to upgrade again


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