Samsung Kg Lock Remove Easy Jtag Exclusive Work [UPDATED]
Introduction:
The Samsung KG lock, also known as the "KG Lock" or "Knox Guard Lock," is a security feature introduced by Samsung to protect its devices from unauthorized access. While it's designed to prevent device misuse, it can sometimes become a hurdle for users who need to access their devices for legitimate reasons. Easy JTAG Exclusive is a popular tool used for various mobile device repairs, including KG lock removal.
- Option A (preferred): Restore official stock partitions from a known-good dump of identical model/rev.
- Option B (advanced): Patch/reset KG-related flags in trusted/bootloader partitions using verified procedures for that board (requires exact offsets).
There is no easy, free, JTAG-based method for recent Samsung phones with KG lock.
Only perform KG/JTAG operations on devices you own or with explicit authorization. Respect privacy and legal restrictions in your area. samsung kg lock remove easy jtag exclusive
Conclusion
- Identifying JTAG pads (TCK, TMS, TDI, TDO, SRST, VREF)
- Soldering 0.1mm enameled wire
- Navigating raw hex memory dumps
- Locates the KG Prenormal flag at offset
0x4F4C. - Overwrites the 16-byte SHA256 hash of the previous Samsung account with zeros.
- Writes the magic byte
0x4B 0x47 0x4E 0x4F(KGNO – KG Normal Only) at block0x4E800. - Repairs the partition table checksum to avoid “Custom binary blocked by KG” error.