fastboot flashing lock
(But Samsung requires you to enable "OEM Unlock" in Developer Options first. If it’s missing, you may need to change your device date back 7-30 days.) fastboot unlock oem
: Developers use it to boot or flash custom-developed kernel codes to test performance and hardware compatibility. Prerequisites for Use fastboot flashing lock (But Samsung requires you to
: Unlocking removes the "root of trust." This makes the device more vulnerable to malicious firmware or hacking attempts, as the system can no longer verify the integrity of the boot image. Warranty Voiding : Most manufacturers, such as Warranty Voiding : Most manufacturers, such as so
so I can provide accurate, safe instructions for that device rather than generic commands that might not work or could cause issues.
on the device to prevent unauthorized access to sensitive information during the transition to an insecure state. Security Vulnerability