Failed -remote 39-flashing Lock Flag Is Locked. Please Unlock It First 39-- __exclusive__ Jun 2026

To bypass this roadblock and successfully flash your device, follow this sequential resolution path. Step 1: Enable Developer Permissions in Android

simultaneously until the bootloader screen (often with a "lying down" Android robot) appears.

Once the device reboots (or you manually boot back into fastboot), verify that the lock flag is gone by typing: fastboot getvar unlocked

Using unlock_spi_winbond for Winbond chips: To bypass this roadblock and successfully flash your

Unlocking will perform a factory data reset and wipe all personal data from the device. Enable OEM Unlocking On your device, go to Settings > About phone Build number 7 times to enable Developer Options Navigate to Settings > System > Developer options and toggle on OEM unlocking USB debugging Reboot to Bootloader Connect your phone to a computer and run adb reboot bootloader

Open your command prompt or terminal window inside your Android platform-tools directory. Verify connection by typing: fastboot devices Use code with caution. (If a serial number appears, your connection is good.) Type the standard unlock command and press enter: fastboot flashing unlock Use code with caution.

: Android's default factory configuration blocks write access to critical partitions (like boot , system , or recovery ). Enable OEM Unlocking On your device, go to

To help narrow down the solution for your specific device, could you tell me: What is the exact of your phone?

Type the following command to ensure your PC sees the phone: adb reboot bootloader

Tap the 7 times until a notification states that Developer Options are enabled. Depending on your device manufacturer (Google

Depending on your device manufacturer (Google, OnePlus, Xiaomi, etc.), the command may vary slightly. Try these in order: fastboot flashing unlock For older devices: fastboot oem unlock

: Toggling the "OEM Unlocking" setting inside Android only permits the bootloader to be unlocked. It does not actually unlock it.

Yes. The bootloader unlock process will wipe all user data from your device, including apps, photos, and settings. It performs a factory reset to protect your personal information. Back up everything before you begin [6†L22-L23][8†L12-L13].

(e.g., WP# on SPI flash chips) – ensure they are not pulled high.