(e.g., TWRP recovery, a custom ROM, a stock firmware package) were you trying to flash when the error occurred? Share public link
⚠️ Accepting the unlock screen on your device completely erases all personal data, apps, and internal memory directories to prevent unauthorized data access. Step 4: Verify the Unlock Ability State
Go back to the main Settings menu and navigate to > Developer Options .
This is the most user-friendly approach provided by STMicroelectronics. This is the most user-friendly approach provided by
The solution involves correctly guiding your device to a state where it accepts the unlocking command. Follow these steps in order, as they progress from quick checks to more advanced fixes.
When modifying an Android device via ADB and Fastboot, commands like fastboot flash boot boot.img or running automated vendor flashing scripts require write access to system partitions.
Here, the "flashing lock flag" refers to a hardware-based write protection mechanism of the flash chip itself. For example, a Linux kernel developer might see the error when the SPI NOR framework fails to unlock a memory region before an erase or write operation, as seen in discussions about the mtd: spi-nor drivers. The error signals that a block of memory is locked against writing, often due to status register bits that define protected areas within the chip. When modifying an Android device via ADB and
Encountering the error message is a common obstacle for embedded engineers, developers, and hardware hackers working with microcontrollers, particularly within STM32 development environments using ST-Link debuggers and STM32CubeProgrammer or OpenOCD.
Note: This tool is highly specific and should be used with extreme caution.
In essence, the device is saying: "I see you want to flash something, but my security says no. Go through the official unlocking process first." and hardware hackers working with microcontrollers
A concise report describing the occurrence, root causes, diagnostic steps, and recommended remediation for the error message: "failed -remote 39 - flashing lock flag is locked. please unlock it first 39--".
If you are just trying to get your phone to boot normally and it is stuck on this screen, try selecting Normal Boot from the Fastboot menu using the volume and power buttons. specific unlocking steps for a certain phone brand like Motorola or Xiaomi?
Go to > System/Additional Settings > Developer Options . Toggle OEM Unlocking and USB Debugging to On . 2. Execute the Unlock Command
Expected output: unlocked: yes