[cisco-voip] New dual banked firmware update feature still fails

[Wes Sisk]

Ki,

That certainly is not expected behavior.  Can you raise a Cisco TAC case?

Regards,
Wes

On 6/22/2011 11:50 PM, Ki Wi wrote:
> Last night i scheduled a firmware update to latest 9.2.1 from 
> 9.1.1SR1. The job schedule is set to run @ 3am where the system will 
> reboot all the 8961 phones.
>
> However, this morning there are some casualty 0.44% out of approximate 
> 700 phones.
>
> After manually reboot the phone, it just blinks the button, after 
> showing the cisco logo, the screen went blank. I tried to manually 
> specify old firmware load (9.1.1SR1) on those indivudual phone config, 
> reboot.. still the same behaviour.
>
> Is there any factory reset key sequence on this new generation of 
> phones? I tried to google but can't find any.
>
> If there's dual bank (active and invalid load) and it still fails. 
> What's the dual bank for? Purely for downloading of firmware purpose 
> and not serving as a fallback upon firmware upgrade failure?
>
>
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