The error C1-2755-9 (often typed as C127559) is a specific failure code encountered by PlayStation Vita Go to product viewer dialog for this item.
users, typically when attempting to format a microSD card through an SD2Vita adapter using software like VitaDeploy or YAMT. It indicates that the system is unable to communicate with or write to the storage media. Common Causes
Improper Seating: The microSD card is not correctly aligned within the SD2Vita adapter, or the adapter itself is not fully inserted into the Vita's game card slot. Hardware Defects : Go to product viewer dialog for this item.
adapters are mass-produced and often have high failure rates due to poor build quality or loose internal pins.
Missing Prep Steps: Attempting to format a card that hasn't been "cleaned" with a zzBlank.img file on a PC first. format failed c127559 full
Software Glitches: Outdated versions of VitaShell or conflicting storage plugins (like StorageMgr) can trigger this error upon disconnecting USB or during formatting. Troubleshooting Steps
To resolve a "format failed" C1-2755-9 error, try these fixes in order: Adjust the Card Seating: Slightly pull the microSD card out of the SD2Vita adapter
so it is flush with the edge rather than pushed in as deep as possible.
Clean the gold contacts of the adapter and the microSD card with isopropyl alcohol. Manual PC Format: The error C1-2755-9 (often typed as C127559 )
Use a PC and a tool like Win32DiskImager to flash the zzBlank.img file to the microSD card. This wipes all partition data that might be causing conflicts with the Vita's native formatting tools.
After flashing, re-insert the card into the Vita and try formatting again. Check Plugin Settings:
Ensure the YAMT driver is enabled in Settings > Devices > Storage Devices. Verify that the is set as the active device (usually ux0 or uma0). Hardware Replacement :
If the error persists after trying multiple microSD cards, the SD2Vita adapter Remediation Options
is likely defective. Replacing it with a new one is a common and inexpensive solution.
Note on SD Card Health: If your card fails to format on both the Vita and a PC (e.g., using Disk Management or Diskpart), the card itself may be corrupted or physically damaged.
If all software fixes fail with format failed c127559 full:
If you need the drive to work but full format fails:
chkdsk X: /r – this will mark bad sectors and attempt recovery.