Removing Samsung Knox Guard (KG) locks with Easy JTAG Plus involves a hardware-level procedure, using ISP pins (EMMC/UFS) to flash modified firmware or erase specific partitions. This technique supports various models, such as the A042F and A53, by bypassing security restrictions to permanently unlock devices. For a video guide on removing the lock for the A042F, view the video at
Newer Samsung devices (2024+) use UFS 4.0 with encrypted ISP lines. You need the "Easy JTAG UFS Adapter" and must use EDL mode instead of direct ISP. Connect via USB and force EDL by shorting test points while running the exclusive loader.
The lock is a server-side cloud security feature embedded deep within Samsung's firmware. Unlike a basic factory reset protection (FRP) lock, the KG status is hardcoded into secure memory structures such as the Replay Protected Memory Block (RPMB) partition and protected directories within the EFS/SEC file systems. The Core Problem: KG State Sync samsung kg lock remove easy jtag exclusive
: The official suite containing the Classic Tool and the Plus JTAG User Interface.
Samsung Knox Guard (KG) is a cloud-based security feature. It locks devices when financing agreements or corporate policies are breached. Removing Samsung Knox Guard (KG) locks with Easy
Launch the interface on your computer. Set the interface type option to EMMC / ISP .
| Method | Works on | Difficulty | Risk | |--------|-----------|------------|------| | Official Samsung server unlock | Korean carrier (SKT/KT/LGU+) paid off | Easy (if original owner) | None | | Combination firmware + token | Up to S20/Note20 series | Medium (needs paid token) | Moderate | | JTAG (Easy JTAG / Medusa) | S7 to S10, some S20 (Exynos) | Hard (requires soldering) | High (brick risk) | | Paid remote unlock via modified bootloader | S9–S20 | Easy (USB only) | High (Knox 0→1, no Samsung Pay) | | Free software tools | | — | — | You need the "Easy JTAG UFS Adapter" and
Flash the full , but omit the HOME_CSC file; use the standard CSC file instead to force a complete re-partitioning of the flash storage drive. Essential Post-Bypass Preventative Measures
Open Odin or your preferred Samsung flash engine and flash the latest official stock firmware matching your device's Binary level.
Locate the precise ISP pinout diagram for your specific device model.
. It will typically display a status warning like "Error log is locked". Use the exclusive hardware utility tools inside the Easy-JTAG console