WLC 5508 Upgrade

[maged altwaiti]

Hello >>>>

I Have WLC 5508 with  software Ver. 7.6.110.0

and recovery Ver. 7.6.95.16

I want to upgrade it to 8.5.135.0 

what requirement to do this ?

in other words>>>

what step to do this?

thanks >>>

[Leo Laohoo]

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@maged altwaiti wrote:

what requirement to do this ?

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Read the Release Notes very carefully because it is not possible to upgrade direct to 8.5.X.X without going through an intermediate version.