You perform a support package upgrade when you upgrade within the same major version point number. For example, upgrading from version 2.3 SP03 to version 2.3 SP04.
You can install SAP Mobile Platform version 2.3 SP04 directly, or upgrade directly from version 2.2.x, or 2.3.x.
Upgrade SAP Mobile Platform version 2.3.x in place to SAP Mobile Platform version 2.3 SP04. See the upgrade instructions for your installation scenario: