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

# Install mtkclient git clone https://github.com/bkerler/mtkclient cd mtkclient pip install -r requirements.txt

Once the device reboots (or you manually boot back into fastboot), verify that the lock flag is gone by typing: fastboot getvar unlocked # Install mtkclient git clone https://github

: You are likely in fastboot mode or fastbootd , where the device is waiting for commands but rejecting those that write data because the "lock flag" is active. How to Install Ubuntu Touch on the Jingpad A1/C1 It protects your device from unauthorized modifications

If you still see the error, try the legacy command: and custom ROM enthusiasts

The error failed -remote 39-flashing lock flag is locked. please unlock it first is not a bug—it’s a . It protects your device from unauthorized modifications. However, for developers, power users, and custom ROM enthusiasts, it is an obstacle that requires deliberate action to overcome.