BO Service Pack Upgrade BO 4.2 SP2 to SP5

Hello Everyone,

I am required to perform Service Pack Upgrade.

from SAP Business Objects BI Platform 4.2 SP2 update to SAP Business Objects BI Platform 4.2 Service Pack 5.

Current Landscape

BOBJ reporting QA PROD Mobile Reporting QA_MOB PROD_MOB

Installed SAP tools on BOBJ Reporting Server

SAP Business Objects BI Platform 4.0 SP4
SAP Business Objects BI Platform 4.2 SP2 update
SAP Business objects BI Platform 4.0 Client Tools SP4 SAP Business Objects BI platform 4.2 Client tools SP2 Update
SAP Business Objects Design Studio 1.6 for BI Platform 4.2
SAP Business Objects Explorer 4.0 SP4
SAP Business Objects Explorer 4.2 SP2 Update
SAP Crystal Reports for Enterprise 4.1 SP6

SAP Crystal Reports for Enterprise 4.2 SP2 Update

1. I need to know the whole SP upgrade process (pre-check, post check, etc), do i need to run the 'full' SP upgrade exe or the 'update'?

SAP BusinessObjects BI Platform Servers 4.2 SP05 Update 1/2 SAP BusinessObjects BI Platform Servers 4.2 SP05 Update 2/2 SBOP BI Platform Servers 4.2 SP05 Hotfix 1

2. Environment consists of two Mobile Servers (prod, QA), for mobile servers separate installation media required?

Installed SAP tools on Mobile Server

SAP Business Objects BI Platform 4.0 SP4

SAP Business Objects BI Platform 4.2 SP2 update SAP Business Objects Explorer 4.0 SP4 SAP Business Objects Explorer 4.2 SP2 Update

3. Please share the complete plan.