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     Appendix B: Upgrade Crestron Pyng OS
               2 to Crestron Home OS
               Upgrade to Crestron Home OS to access the latest responsive user interface from Crestron.
               Upgrading from Crestron Pyng OS 2 to Crestron Home OS is a simple process. The system must
               be running on a CP4-R control processor with Crestron Pyng OS 2 firmware version 2.003.0021
               or later.
               NOTES:
                    l The CP3-R control processor cannot run Crestron Home OS. To upgrade, the system
                     data must be transferred to a CP4-R control processor using a deployment code. For
                     details, refer to Migrating Crestron Home Processors (on page 941).
                    l The PYNG-HUB control processor running Crestron Pyng OS 1 cannot be upgraded to
                     Crestron Home OS.
               To upgrade to Crestron Home OS, perform the following procedures:
                  Upgrade the Operating System                                                           638
                  Enable the User Interface Device Password                                               642
                  Update the Firmware for Connected Devices                                               645
                Product Manual — Doc. 8525Z                                             Crestron Home™ OS • 637





