Reset Knox Warranty Void 0x1 Back To 0x0 May 2026
Disclaimer: This post is for educational and informational purposes only. Resetting the Knox Warranty Void counter may be impossible on most modern Samsung devices, and attempting to do so could permanently damage your device or violate your warranty terms. Proceed at your own risk.
Is There Any Hope?
There are only two scenarios where 0x1 goes back to 0x0: reset knox warranty void 0x1 back to 0x0
- A Mainboard Replacement: If you physically replace the motherboard of your device with a new one, the new board will have an unblown fuse (
0x0). This is often expensive and defeats the purpose of trying to save a warranty claim. - Official Samsung Service: In extremely rare cases, if a Samsung technician replaces the board under warranty (assuming they don't notice or care about the software state), the new board will be reset.
Myth #2: Reflashing Stock Firmware Helps
Reflashing official firmware via Odin will not reset the flag. The eFuse remains blown, even after a full stock restore. Disclaimer: This post is for educational and informational
Claim 3: JTAG or RIFF Box Hardware Resets
Advanced Claim: Professional repair tools (JTAG, Octoplus, Z3X, RIFF Box) can rewrite the NAND chip’s protected area or even replace the entire motherboard’s serialized data. Partial Truth: In very specific, older models (Galaxy S4, Note 3, early S5), some JTAG programmers could reset the warranty bit because the eFuse implementation wasn’t fully hardware-secure. But for Exynos 7420 and newer (S6, S7, S8, S9, S10, S20, S21, S22, S23, S24 series)—No. The eFuse is inside the secure element, and JTAG can’t touch it without physically destroying the chip. Is There Any Hope
1. Factory Reset
A factory reset is a straightforward method to attempt to reset the Knox warranty status. However, this method may not always revert the status back to 0x0.
- Steps:
- Backup all important data.
- Go to Settings > General Management > Reset > Factory Data Reset.
- Follow the on-screen instructions.
