Samsung devices are notoriously strict when it comes to bootloader security. Unlike Google Pixel devices or OnePlus phones, unlocking a Samsung device triggers a permanent change. Here is what you need to consider before proceeding with the :
An unlocked bootloader makes your device more susceptible to malware and data theft. If someone gains physical access to your phone, they could theoretically flash malicious software onto it without your permission. Bootloader Unlock in SAMSUNG Galaxy A12