Error Code Decoder
Enter the 16-digit error code from your MASAMUNE Erasure log to see the error type and details.
Error Code Structure
MASAMUNE Erasure error codes consist of 16 hexadecimal digits.
┌────────┬────────┬────────────────┬──────────────────────┐
│ Rsvd(8bit) │ Type(8bit) │ Source(16bit) │ Error Code(32bit) │
│ byte 7 │ byte 6 │ byte 5-4 │ byte 3-0 │
└────────┴────────┴────────────────┴──────────────────────┘
| Type Value | Name | Description |
|---|---|---|
| 1 (0x01) | SYSTEM | System-level error |
| 2 (0x02) | EXTERNAL | External tool/process error |
| 3 (0x03) | INTERNAL | Library internal error |
| 4 (0x04) | USER | User operation error (most common) |
User Errors — Type=4
The most common errors, related to user operations and device states.
1001 — Device Connection Lost
- Description
- Connection to the device was lost during operation.
- Cause
- USB cable disconnection, device power-off, or unstable connection
- Solution
- Check and reconnect the USB cable. Try a different USB port.
1002 — Operation Timeout
- Description
- The required user operation timed out.
- Cause
- The operation on the device screen was not completed in time
- Solution
- Follow the instructions on the device screen promptly.
1003 — Operation Failure
- Description
- The required user operation failed or was incorrect.
- Cause
- Incorrect operation procedure or device not responding properly
- Solution
- Verify the procedure and try again.
1004 — Unsupported Device
- Description
- This device type is not supported.
- Cause
- Unsupported device model or OS version
- Solution
- Please check the list of supported devices.
1005 — Reset Protection Detected
- Description
- Device has reset protection enabled (FRP / Find My iPhone).
- Cause
- Factory Reset Protection (Android) or Activation Lock (iOS) is enabled
- Solution
- Disable the reset protection on the device before retrying.
1006 — Root/Jailbreak Detected
- Description
- Device rooting or jailbreak was detected.
- Cause
- Device is rooted (Android) or jailbroken (iOS)
- Solution
- Select "Continue" in the confirmation dialog to proceed with the operation.
1007 — Cloud Not Authorized
- Description
- Authentication with the cloud service is not complete.
- Cause
- Cloud service login incomplete or credentials invalid
- Solution
- Verify cloud credentials and log in again.
1008 — Removable Media Detected
- Description
- Removable media such as an SD card was detected.
- Cause
- An SD card or external storage is inserted in the device
- Solution
- Remove the media or select "Continue" in the confirmation dialog.
1009 — Passcode Protected
- Description
- Device passcode is set and prevents the operation from continuing.
- Cause
- Device has a PIN, password, or pattern lock set
- Solution
- Unlock the device passcode before retrying.
1010 — NWRC Check Failed
- Description
- Failed to retrieve IMEI for network usage restriction check.
- Cause
- Poor device connection or IMEI information unavailable
- Solution
- Check the device connection and try again.
1011 — Network Usage Restriction Detected
- Description
- Network usage restriction was detected on the device.
- Cause
- Carrier network usage restriction (e.g., blacklisted device)
- Solution
- Select "Continue" in the confirmation dialog to proceed.
1901 — Cancelled
- Description
- The operation was cancelled by the user or system.
- Cause
- User aborted the operation or the system cancelled it automatically
- Solution
- Re-run the operation if needed.
External Tool Errors — Type=2
Errors that occur when an external tool or process fails. The error code (lower 32 bits) contains the exit code of the external process.
- Example
0002011200000100→ Code=256 (external process exit code 1 × 256)- Solution
- Restart the application and try again. Contact support if the issue persists.
Internal Errors — Type=3
9001 — Not Disconnected for Reset
- Description
- Device was not properly disconnected for the reset operation.
- Solution
- Disconnect the device, reconnect it, and try the reset again.
9999 — Unknown Error
- Description
- An unknown internal error occurred.
- Solution
- Restart the application. Contact support if the issue persists.
System Errors — Type=1
System-level errors, usually caused by software or hardware issues.
- Solution
- Restart the application. If the issue persists, note the error code and contact support.
Worker Status Codes
A list of processing status codes recorded in logs. These indicate progress, not errors.
| Code | Status |
|---|---|
| 100 | Preparing |
| 200 | Working |
| 210 | Initializing |
| 221 | Removing Data |
| 222 | Padding Free Space |
| 230 | Resetting |
| 240 | Verifying |
| 251 | Sending to Cloud (Start) |
| 252 | Sending to Cloud (End) |
| 281 | Waiting for Operation |
| 282 | Waiting for Device |
| 283 | Waiting for Download |
| 284 | Waiting for Confirmation |
| 290 | Finalizing |
| 300 | Completed |
| 400 | Error |
| 401 | Cloud Erasure Start Error |
| 410 | Cancelled |
| 499 | Finished with Unknown Status |
General Troubleshooting
- Check USB cable and connection — Reconnect the cable or try a different USB port.
- Restart the application — Close and reopen MASAMUNE Erasure.
- Restart the device — Power off and power on the target device.
- Check network connectivity — Verify internet access if using cloud features.
- Update to the latest version — Update MASAMUNE Erasure to the latest version.
Contact Support
If the above solutions do not resolve the issue, please note the error code and contact support.
- Email: support@masamune.com
- Contact form: here
