How to Upgrade from SAP NetWeaver 7.01 to NW 7.02?

Hi Experts,

I am working on GRC upgrade project,we need upgrade to GRC10.0 from GRC3.0.

GRC 10.0 only work on NW7.02,we now have NW7.01.

How to Upgrade from SAP NetWeaver 7.01 to NW 7.02?

Use EHPI tools or just spam/saint or any other way ?

current version:

SAP_ABA 701 0006 SAPKA70106

SAP_BASIS 701 0006 SAPKB70106

PI_BASIS 701 0006 SAPK-70106INPIBASIS

SAP_01 0006 BW SAPKW70106

Thanks!