I prefer to update these servers without SUM.
This helps:
http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=mmr_kc-0119690
Cosider to put the files on an USB stick and connect it to the active OA.
However, if you use the SUM bundle for BL8x0ci2, you need to use the SUM version inside this bundle.