Unable to recover firmware on F400C

Products ePMP
1

Hi. We are trying to recover a F400C unit.
I can get access to the firmware update page, however when try to load the firmware apppers this message

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2

So you’re trying to update the F400c with the ePMP-AX-v5.4.2.img located at https://support.cambiumnetworks.com/files/epmp_400_425/ and it’s giving you this error?

3

Hi Eric.
Yes, already try several version of AX firmware (5.4.2, 5.3.0 and 5.1) and with all of them show the same screen. my bet is that the U-boot was damage too, but I don’t know if there any other aditional recovery option that can be try it