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rightleft2's avatar
rightleft2
Aspirant
Nov 05, 2025

Firmware update failing for LM1200

I get the message Firmware Update Failed, Invalid update file. The package is not supported when I use the firmware provided here.    These are my hardware details:  
MR1100
StephenB's avatar
StephenB
Guru - Experienced User
Nov 05, 2025
rightleft2 wrote:

I get the message Firmware Update Failed, Invalid update file. The package is not supported when I use the firmware provided here

Which install are you using - Australia, US, or Europe?

 

Is it possible that you have the LM1200-111 model?  Those installs are only for the LM1200-100.