If you ever need to return your Black Shark 2 to full stock (e.g., for resale or warranty repair), you can relock the bootloader.
. If this is your first time, the tool will likely show a message saying "Please unlock after " (7 days). black shark 2 unlock bootloader
[SEC] GPIO 152: LINK PRESERVED. MONITORING PHASE 2. If you ever need to return your Black