Samsung KG Lock is a robust anti-theft feature, but it can lock out legitimate second-hand owners. Easy JTAG provides a hardware backdoor by directly editing the eMMC partitions that store the lock flag. While effective (especially on Exynos models with a dedicated kg partition), the process requires soldering skills, a legitimate Easy JTAG box, and a thorough understanding of partition editing.
Final advice: Before reaching for JTAG, always try Samsung’s official account recovery or contact the previous owner. If you do proceed with JTAG, make a full eMMC backup first, and never work on a device you do not legally own.
This article is for educational and repair purposes only. The author assumes no responsibility for device damage or legal consequences.
Easy JTAG Plus is a professional hardware tool used for repairing dead phones, unbricking devices, and bypassing security features via direct memory access.
Using a fine-tip soldering iron (300-350°C), attach thin enameled wires to: samsung kg lock remove easy jtag
Connect the other ends to the Easy JTAG box’s corresponding pins.
KG Lock data is stored in specific partitions. Depending on the Android version:
Using Easy JTAG’s Hex Editor:
For newer models (One UI 5+), you may need to clear a counter in the param partition as well. Samsung KG Lock is a robust anti-theft feature,
You might see online services offering "Remote KG Unlock" via TeamViewer for $30-$50. These usually require you to flash a UART firmware or use a specialized dongle.
Comparison Table:
| Feature | Easy JTAG (Hardware) | Remote Software Bypass | | :--- | :--- | :--- | | Cost | High (Box + jig ≈ $200) | Low ($30/session) | | Skill Level | Advanced (Soldering) | Moderate (PC only) | | Success Rate | 99% (Chip-level) | 70% (Patched by Samsung) | | Permanence | Permanent (Resets RPMB) | Temporary (Returns after reset) | | Best For | Repair shops, bulk devices | Single emergency unlock |
Conclusion: If you own a repair shop or flip 10+ Samsung phones a month, buy the Easy JTAG box. It pays for itself after 4 unlocks. If you have one phone, pay a remote service. This article is for educational and repair purposes only
Before you attempt a removal, you must understand the enemy. KG stands for KNOX Guard. KNOX is Samsung’s defense-grade security platform. While standard FRP prevents a thief from using the phone after a factory reset, KG Lock specifically targets the device’s system state.
Easy JTAG (Joint Test Action Group) is a hardware box + software suite designed for low-level memory operations on mobile devices. Unlike USB-based flashing, JTAG communicates via test points on the phone’s motherboard, directly accessing the eMMC (embedded MultiMediaCard) storage.
With Easy JTAG, you can:
For KG Lock removal, Easy JTAG allows technicians to manually edit the partition that stores the lock status, bypassing Samsung’s software protections.