TO ALL USERS
PLEASE READ:
Only update your model to the Version 5 release if your PIMG HW can support it - which can be determined by the serial number. Specifically the PIMG hardware can support the upgrade if it's serial number is greater than or equal to the serial number listed below for the given PIMG model type:

• PIMG80PBXDNI IP006669
• PIMG80LGNPBXDNI IP006669
• PIMG80MTLPBXDNI IP006957
• PIMG80RLMPBXDNI IP006957
• PIMG80LS IP006578