You can use iDRAC only to update iDRAC, Life Cycle Controller and BIOS. From 13th generation server onwards firmware for both iDRAC and Lifecycle controller is packaged to single firmware. Latest firmware for iDRAC and Lifecycle controller is 2.05.05.05 and for BIOS is 1.0.3.
Refer below blog on steps for updating server components using iDRAC
DELL-Shine K
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April 4th, 2015 07:00
You can use iDRAC only to update iDRAC, Life Cycle Controller and BIOS. From 13th generation server onwards firmware for both iDRAC and Lifecycle controller is packaged to single firmware. Latest firmware for iDRAC and Lifecycle controller is 2.05.05.05 and for BIOS is 1.0.3.
Refer below blog on steps for updating server components using iDRAC
http://en.community.dell.com/techcenter/b/techcenter/archive/2013/04/17/idrac7-now-supports-updating-server-components-using-racadm-and-web-gui