Rooting gives you administrative access to your device's system. Magisk is the modern standard for systemless rooting that doesn't modify the system partition.
If you mess up and the phone won’t boot, TWRP can still save you. But if TWRP itself is gone, use or Odin with Stock Firmware : twrp samsung j2 core
Samsung’s stock recovery overwrote TWRP. Repeat Part 4, ensuring “Auto Reboot” is OFF. Rooting gives you administrative access to your device's
Complete Guide to Installing TWRP Recovery on Samsung Galaxy J2 Core twrp samsung j2 core
The instant the screen goes black, quickly switch your fingers to hold .
Before installing any custom ROM, always check the compatibility with your specific model number and follow the developer's instructions carefully.