Flashing Lock Flag Is Locked Please Unlock It First Full !!top!! May 2026

The error message "FAILED (remote: 'Flashing Lock Flag is locked. Please unlock it first!')"

occurs when you attempt to flash a new operating system or firmware onto an Android device while its bootloader is still locked

. Enabling "OEM Unlocking" in your phone's settings is only the first step; you must also run a specific command or use a manufacturer tool to fully unlock the hardware's flashing capability. How to Resolve the Error

To fix this, you must explicitly unlock the bootloader, which will wipe all user data from the device. Enable Developer Options On your phone, go to Settings > About Phone Build Number

(or MIUI version for Xiaomi) 7 times until you see "You are now a developer". Toggle OEM Unlocking Settings > System > Developer Options USB Debugging OEM Unlocking Enter Fastboot Mode Turn your phone off. Volume Down

buttons simultaneously until the fastboot screen or logo appears. Execute the Unlock Command Connect your phone to a PC. Open a terminal/command prompt and type: fastboot flashing unlock On older devices, the command might be fastboot oem unlock Follow On-Screen Prompts

Your phone will likely ask you to confirm the unlock using the volume keys. Confirming this will factory reset your device. Device-Specific Tools

If the standard commands fail, your device may require a proprietary tool: Fix Device State Locked Unlockable in Fastboot Mode flashing lock flag is locked please unlock it first full

Locked out by a "flashing lock flag"? It is a frustrating hurdle, but usually a simple fix. This error typically occurs when a device's firmware or security software

prevents changes because a physical or digital "safety" is engaged

Here is the deep dive on why this happens and how to clear it. 🛠️ The Common Culprits 1. Hard Drive & SSD Security

If you see this during a BIOS update or when using disk tools (like Samsung Magician), the drive is in a Frozen State The Cause:

The motherboard locks the drive at boot to prevent unauthorized malware from messing with the firmware. Power Cycle:

Shut down completely, unplug the power, wait 30 seconds, and reboot.

(Advanced) Briefly unplug the SATA data cable while the PC is on, then plug it back in to "wake" the controller. 2. MicroSD & SD Cards Many cards have a physical Write-Protect Switch on the side. The Cause: The "lock flag" is physically toggled down. The error message "FAILED (remote: 'Flashing Lock Flag

Slide the tiny plastic tab toward the metal contacts (the "Open" or "Unlock" position). 3. Smartphone Bootloaders

Common in Xiaomi or OnePlus devices when trying to flash a new ROM. The Cause: Bootloader is locked to protect the OS integrity. OEM Unlocking in Developer Options.

Use the manufacturer's official unlock tool (e.g., Mi Unlock Tool). 💻 Technical Workarounds (Command Line)

If the hardware is unlocked but the software still sees a "flag," try clearing the attributes manually. For Windows (Diskpart): Command Prompt and hit Enter. select disk X (replace X with your drive number). attributes disk clear readonly Restart your machine. For Linux Users: command to check the frozen status: sudo hdparm -I /dev/sdX

Look for "frozen" under the Security section. A sleep/wake cycle usually clears this. ⚠️ Important Safety Note Flashing firmware while a lock flag is active can brick your device

. Never force a flash (using "force" commands) if the lock flag is flashing, as it indicates the memory chips are currently in a read-only state to prevent corruption.

To help you get past this specific screen, could you tell me: are you using? (PC, Phone, 3D Printer?) gave you the error message? Are you trying to update firmware format a drive I can give you the exact steps for your hardware once I know the model! Supervisor goes to SM12, enters material R-1000

Real-World Example Walkthrough

Scenario: A warehouse operator at a manufacturing plant tries to post a goods receipt (MIGO) for raw material R-1000 in plant 2000. The system shows: "Flashing lock flag is locked. Please unlock it first full."

Diagnosis:

  1. Supervisor goes to SM12, enters material R-1000.
  2. Finds a lock owned by user WHSMITH from a cancelled transfer order 3 hours ago.
  3. The lock status shows "flashing."
  4. Delete lock in SM12 → fails because lock is "protected."
  5. Go to SM50 → find process DIA_02 corresponding to the cancelled session → cancel with core.
  6. Return to SM12 → delete lock successfully.
  7. Run RM07CUFL for material R-1000 → no further errors.
  8. Operator retries MIGO → posts successfully.

Time to resolve: 8 minutes.

Exact Steps for Common Scenarios

| Device/Error | Likely Fix | |--------------|-------------| | "Lock flag is locked" in fastboot | fastboot flashing unlock | | "Flashing not allowed in locked state" | Unlock bootloader first | | "Please unlock device to flash" | Boot to OS → enable OEM unlocking | | "Flashing lock flag is locked" (MediaTek) | Use SP Flash Tool with "Format All + Download" (risky) |

a) SAP Lock Mechanism (Enqueue Work Process)

SAP uses enqueue locks (also called SM12 locks). When you begin a transaction that modifies stock, SAP sets a lock in the lock table (enqueue server). If this lock is not released—due to a program crash, network failure, or user force-closing the session—the lock becomes "orphaned."

Deconstructing the Full Error Message

Let’s break down the complete message: "Flashing lock flag is locked. Please unlock it first full."

| Phrase | Meaning | |--------|---------| | Flashing lock flag | An active, temporary database lock that is in an unstable or stuck state. | | Is locked | The system cannot proceed because this flag is still set to "blocked." | | Please unlock it first | You must manually remove the lock before continuing. | | Full | Refers to the "full unlock" process—removing the lock completely, not just partially. In SAP terms, this often involves the FM_BKK_FULL_UNLOCK function or equivalent material unlock transactions. |

In essence, the system is telling you: "There is a stuck lock on this material or document. You need to perform a complete unlock before retrying your transaction."

2. Use Official Unlock Tools (For specific brands)

1. Unlock the Bootloader (Most Common Fix)