For users looking to unlock bootloaders or install custom recovery (TWRP) on models like the M3s, M3 mini, or M5, the is a common choice found on 4PDA .
: Disconnect the cable and turn on your phone. You will likely need to go through the initial Android setup process again. Alternative: Manual Hard Reset via Recovery Mode
Honestly? Skacat is a 2018-era solution. It works perfectly for on Flyme 5/6. For anything newer (Flyme 7+, Android 8+), it will fail 95% of the time.
: Open the Meizu Userlock Remove (or similar executable) on your computer.