If you are upgrading your 3PAR OS to version 3.3.2 MU6 or 4.x (for Primera migration), you must hit the SP 5092 baseline first. Skipping this version can brick the upgrade path, forcing a costly recovery via HPE Advanced Support.
From the 3PAR CLI (connected via SSH to the SP’s IP): hpe 3par service processor software 5092 download exclusive