RT-AC66U B1 Fails to upgrade

System: Router RT-AC66U B1

  1. Battery or AC:
  2. Model:
  3. Frequency of occurrence:
  4. Reset OS:
  5. Screenshot or video:


Detailed description Since yesterday the router is displaying a Yellow exclamation. But when I click to update it fails.

current Firmware Version:

New Version

Would prefer not to manually update each one.

Any suggestion ?


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