Samsung J2 Core - Twrp
As soon as the screen goes black, immediately switch to holding . Release the buttons once the TWRP logo appears. If prompted, Swipe to Allow Modifications . Post-Installation (Optional)
Flashing TWRP on a Samsung J2 Core will trip Knox. Samsung Pay and Secure Folder will permanently stop working. You also risk hard-bricking the device if steps are skipped. twrp samsung j2 core
Risks and mitigations
Before diving into the flashing process, let's explore why you should risk voiding your warranty (if any remains) to install a custom recovery. As soon as the screen goes black, immediately