Even with the "best" TWRP, you may face issues. Here is the fix guide:
: Install these on your Windows PC so it recognizes your phone. Unlock the Bootloader Power off the phone. Hold Volume Up + Volume Down while connecting it to the PC via USB. When the warning screen appears, long-press to enter the bootloader unlock menu and confirm. Boot into Download Mode Turn off the phone. Press and hold Power + Volume Down until the warning screen appears, then press to enter Download Mode. Flash TWRP using Odin twrp samsung j2 core best
Data partition is encrypted. Solution: Go to Wipe > Format Data (Not just "Advanced Wipe"). Type "yes". Reboot recovery. Even with the "best" TWRP, you may face issues
Most J2 Core users struggle with rooting because Samsung’s Knox counter can be triggered, and older rooting methods cause boot loops. TWRP allows you to flash the root solution—Magisk—directly via ZIP, preserving safety net integrity and allowing banking apps to work. Hold Volume Up + Volume Down while connecting
: Creates a complete image of your current ROM, apps, and data. This is your safety net; if a mod fails, you can restore your phone to its exact previous state. Wiping Cache/Dalvik
Ever wanted a "Save Point" for your phone? TWRP’s backup feature clones your entire system, data, and boot partitions. If you flash a bad mod, restore in 5 minutes. No PC required.