The CTL Board is Damaged
| Data | Where to Store | Data migration | 
|---|---|---|
SP/UP data  | NVRAM | OK (by reinstalling the NVRAM on a new CTL board). | 
Counter Data  | NVRAM | OK (by reinstalling the NVRAM on a new CTL board). | 
| Local Address Book | eMMC | OK (only if the Address Book has been downloaded by the end user with WIM).  | 
Server certificate SSL public certificate Data for customizing the message in the authentication/charging control window SAF (received fax documents)(Only for MF models)  | eMMC | Cannot be moved. | 
Browser setting value (SP C361SFNw only)  | Micro SD Card | OK (by reinstalling the Micro SD card on a new CTL board). 
  | 
Storage for SDK (SP C361SFNw only)  | Micro SD Card | OK, by reinstalling the Micro SD card on a new CTL board. | 
The Micro SD Card is Damaged (SP C361SFNw only)
| Data | Where to Store | Data migration | 
|---|---|---|
| Browser setting value | Micro SD Card | OK, only if the browser setting value has been downloaded by the end user with WIM. 
  | 
Storage for SDK  | Micro SD Card | Cannot be moved. This case is the same as a broken hard disk on a GW+ model.  | 
The Micro SD card’s life is detected by the machine. When the card reaches its end of life, it is notified by the following SCs.
SC860-51 (Insufficient Nand-Flash blocks (threshold exceeded))
SC860-52 (Number of Nand-Flash block deletions exceeded))