Go back through the initial setup and re-enable and USB Debugging . Ensure OEM Unlock is grayed out but "on." Phase 3: Flashing TWRP via Odin
| Feature | Specification | |---------|----------------| | Model Number | SM-J260G | | Launch Year | 2018 | | Chipset | Exynos 7570 (14 nm) | | CPU | Quad-core 1.4 GHz Cortex-A53 | | GPU | Mali-T720 MP1 | | OS at Launch | Android 8.1 Oreo (Go edition) | | Kernel Version | 3.18.14 | | RAM | 1 GB | | Storage | 8 GB / 16 GB | | Bootloader | Locked by default (Samsung Knox) | twrp samsung j2 core
allows you to flash custom ROMs, root your device, and create full system backups, but it requires unlocking your bootloader first. Go back through the initial setup and re-enable
Note: Always verify MD5 checksums and download from trusted sources to avoid malware. root your device