Failed -remote 39-flashing Lock Flag Is Locked. Please Unlock It First 39-- -

Here’s a clear, helpful explanation of that error message, broken down for users or support documentation.

  • Visit the manufacturer's official website (e.g., Xiaomi Mi Unlock, Samsung Developer Options).
  • Request an unlock token. This is a unique cryptographic signature file generated specifically

If your device appears, proceed. If not, troubleshoot drivers. Here’s a clear, helpful explanation of that error

Use the standard fastboot flashing unlock command. Visit the manufacturer's official website (e

Unless you are returning the device to a fully stock state for resale or warranty. If your device appears, proceed

flash lock flag

This error occurs when you try to perform an operation (e.g., flashing firmware, writing data, or modifying a device) while the device’s is enabled. The “39” likely refers to a specific error code from the tool or device firmware.

2. Most common causes

Part 2: Why Does the Flashing Lock Flag Exist?