Firmware warning after latest 11.3 patch

Hi All,

New BE is:

root# pkg list entire

NAME (PUBLISHER)                                  VERSION                    IFO

entire                                            0.5.11-0.175.3.3.0.6.0     i--

After booting a T5-4 to the new BE I got this:

SunOS Release 5.11 Version 11.3 64-bit

Copyright (c) 1983, 2015, Oracle and/or its affiliates. All rights reserved.

WARNING: System firmware must be updated to use the retained memory feature.

Loading smf(5) service descriptions: 2/2

...

I currently use Ilom Version 3.2.5.6.b r103360

OBP 4.38.1

-> version

SP firmware 3.2.5.6.b

SP firmware build number: 103360

SP firmware date: Thu Oct  1 15:57:42 PDT 2015

SP filesystem version: 0.2.10

system_fw_version = Sun System Firmware 9.5.1.b 2015/10/01 16:33

hostconfig_version = Hostconfig 1.6.1.a 2015/09/09 13:15

hypervisor_version = Hypervisor 1.15.1.a 2015/09/09 12:51

obp_version = OpenBoot 4.38.1 2015/08/21 14:26