Set Up a Windows PC: A computer running Windows 8 or newer is necessary to interface with the smartphone's download framework.
Flash a zip file via the Install menu to prevent boot loops. You can now safely reboot your phone or flash a custom ROM.
A: Yes. The best TWRP builds fully support Android 8.1 Go. However, you must use the "LZ4" kernel version if you are on the latest Samsung security patch (after May 2021). twrp samsung j2 core best
Go to Settings > System > Developer Options. Toggle on USB Debugging and OEM Unlocking .
The most reliable place to find the best working TWRP version for your exact J2 Core variant is the official community threads on . Set Up a Windows PC: A computer running
In the same menu, toggle on OEM Unlocking . This is mandatory for modifying the recovery partition.
Note: If you let the phone boot normally into the system first, the stock recovery will overwrite TWRP, and you will have to flash it again. Post-Installation Steps Once in TWRP, you must often Format Data to remove encryption and prevent a bootloop. Go to Wipe > Format Data A: Yes
Download and install the official on your PC.
Not all TWRP builds are identical. You must choose the right version based on your device model number (e.g., SM-J260F, SM-J260G, SM-J260M). Official vs. Unofficial Builds