Click “Run Script on Target”. The process takes 30–90 seconds. Successful output looks like:
Searching for KG block... Found at 0x4E000
Backing up original KG data... Done.
Patching KG state... Prenormal в†’ Normal
Writing UFS page 0x4F4C... OK
Verifying write... Match.
KG Lock removed successfully.
If you are a mobile repair technician, a second-hand phone dealer, or an advanced user who has ever purchased a used Samsung Galaxy device, you have likely encountered the dreaded "KG Lock" (Knox Guard).
Imagine this: You perform a factory reset on a Samsung Galaxy S22, S23, or S24, hoping to clean it for a new user. Instead of booting normally, the phone stops at the Setup Wizard with a message: "This device is locked because the KG state is active. Please sign in with a previously synced Google account." samsung kg lock remove easy jtag exclusive
You try flashing stock firmware. You try the old "Google Account Bypass" tricks. Nothing works.
That is exactly where "Samsung KG Lock Remove Easy JTAG Exclusive" becomes the holy grail of modern Samsung unlocking. This article dives deep into what KG Lock is, why standard methods fail, and how the exclusive JTAG (Joint Test Action Group) method offers the only reliable backdoor. Click “Run Script on Target”
KG Lock (KNOX Guard / KG) is Samsung’s bootloader lock that prevents unauthorized flashing and can permanently brick or restrict devices if improperly handled. It often activates on devices with tampered partitions or failed firmware flashing. JTAG-based methods can sometimes recover or remove KG-related issues when software-only tools fail.
The JTAG (Joint Test Action Group) interface was originally designed for hardware debugging and programming flash memory directly via test points on the motherboard. “Easy JTAG” refers to a family of boxed programmers (such as the Medusa Pro II, Easy JTAG Plus, or Z3X Easy JTAG) that read and write raw memory addresses without going through the phone’s processor or boot sequence. If you are a mobile repair technician, a
The “Exclusive” part of this method refers to a patented (or proprietary) sequence of low-level writes to the UFS hidden sectors that Samsung does not advertise—specifically the KG configuration block at memory offset 0x4E000 – 0x50000.
Unlike generic “network unlock” or “FRP bypass,” the JTAG exclusive method:
Samsung RMM/KG Lock works by creating a specific file status in the PERSIST partition or storing data in the PROVISION partition.
Solution: You need to write a clean persist binary from a donor device (same model and binary version). The exclusive tool should do this automatically, but sometimes the RPMB key mismatches. Use the "Clear RPMB" option in Easy JTAG (this will erase network unlock data – so keep your unlock code ready).
