On Exynos models, unlocking the bootloader via Developer Options and the key combo does not trip Knox—flashing a custom binary does. Some users conflate "allowed unlocking" with "warranty reset." Reality: Unlocking the bootloader alone (on officially unlockable models) keeps Knox 0x0 until you actually flash a custom recovery. The act of unlocking does not reset a previously tripped Knox.
The persistence of the "reset back to 0x0" myth stems from three sources: reset knox warranty void 0x1 back to 0x0
While some legacy devices (like the Galaxy Note 3) had temporary software workarounds years ago, modern Samsung devices use a more robust hardware implementation that cannot be bypassed. On Exynos models, unlocking the bootloader via Developer
In many regions, Samsung will deny free hardware repairs if they see the 0x1 status. Are There Any Workarounds? The persistence of the "reset back to 0x0"
: When the bootloader detects unauthorized software (like root or a custom recovery), it sends a high-voltage pulse to a specific bit on the processor's silicon. This physically "blows" the fuse, changing the value from 0 to 1.