getting 'Unknown Error -1' on my D6220 router when updating firmware

[d4rren]

tried updating firmware on my router and get this error, puts me back to the start

[FURRYe38]

Please post about this over in the DSL modem forum:

https://community.netgear.com/t5/DSL-Modems-Routers/bd-p/home-dsl-modems-routers

Good Luck. 

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@d4rren wrote:

tried updating firmware on my router and get this error, puts me back to the start

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