X32 FULL
Hold HOME, METERS, ROUTING and SETUP pressed while powering on the Console
X32 RACK
Hold HOME, METERS, ROUTING and LIBRARY pressed while powering on the Console
Activation via Firmware Mod
patch location 0x8030 on your internal sd card from 00 to 01 (this modifies a compare instruction in assembler and this tricks the firmware to activate the test mode)