Do not reboot. Instead, after the JTAG patch, immediately flash a combination firmware (factory binary). Boot into it, set the date 90 days forward, then re-flash stock firmware. The KG counter will expire instantly.
Warning: Removing or bypassing a device lock (KG/FRP/React/Factory Reset Protection) can violate terms of service, void warranties, or break laws depending on your jurisdiction. Use this guide only on devices you own or have explicit permission to repair. samsung kg lock remove easy jtag exclusive
If you’ve ever picked up a second-hand Samsung Galaxy device, only to be greeted by a message saying “This device is locked because the device can’t be verified. Please use the KG State verification feature” or simply “KG Locked” in the download mode, you know the frustration. Unlike a simple Google Account bypass, (Known Good Lock) is a factory-level security feature tied to the device’s Root of Trust (RoT). Standard unlocking tools fail. Resetting via recovery fails. Even flashing stock firmware fails. Do not reboot
(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 KG counter will expire instantly