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Author Topic: Unable to downgrade firmware  (Read 6026 times)


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Unable to downgrade firmware
« on: April 29, 2020, 10:22:38 AM »

Hello folks,

I was hoping you can help me downgrade my firmware. I have a DIR-600 Hardware Ver. B2, Firmware Ver. 2.15.

i'm tried on web interface, it says "FIRMWARE UPLOAD FAIL
Invalid image file. Please select the correct image file and upload it again."

and in emergency room, when i uploaded it just restart but the version is still 2.15

I'm using Firefox and chrome

Any ideas or similar experiences?



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Re: Unable to downgrade firmware
« Reply #1 on: April 29, 2020, 10:33:53 AM »


  • What region are you located?

Why are you trying to downgrade FW? Is there a problem?
Cable: 1Gb/50Mb>NetGear CM1200>DIR-882>HP 24pt Gb Switch. COVR-1202/2202/3902,DIR-2660/80,3xDGL-4500s,DIR-LX1870,857,835,827,815,890L,880L,868L,836L,810L,685,657,3x655s,645,628,601,DNR-202L,DNS-345,DCS-933L,936L,960L and 8000LH.