The short answer is that resetting the Knox warranty bit from 0x1 back to 0x0 is not possible through software because it is a physical hardware change.
What You Can Do Instead
(also known as the Printed Board Assembly or PBA). This is an expensive repair that typically costs as much as a significant portion of the phone's original price. Common Misconceptions Triangle Away: reset knox warranty void 0x1 back to 0x0
History: On older Samsung devices (Galaxy S2, S3, Note 2), there was a famous app called Triangle Away by Chainfire. It reset the custom binary counter (not the Knox fuse) back to 0. Reality: False for Knox. Those devices predated the Knox eFuse. On any Galaxy device with Knox (S4 and newer), Triangle Away does nothing. Modern equivalents are scams or malware. The short answer is that resetting the Knox
Samsung Knox is a security platform built into the device's hardware. It uses a one-time programmable bit (e-fuse) to track the integrity of the device. Functionally, your phone is fine