Twrp-3.6.0-9-on7xelte.tar [FREE]
Samsung devices require an unlocked bootloader. On the J7 2016:
Earlier TWRP builds were designed for Android 8–9. Version 3.6.0-9 supports the new system-as-root (SAR) layout, making it possible to flash Android 11 (LineageOS 18.1) and Android 12 (LineageOS 19) custom ROMs. twrp-3.6.0-9-on7xelte.tar
The codename on7xelte is the critical identifier for hardware compatibility. This file is designed for: Samsung devices require an unlocked bootloader
Important Note: Do not attempt to flash this on the original Galaxy On7 (2015) or the On7 Pro, which use different hardware platforms (codenamed on7ltechn or similar). Flashing incorrect recovery files can result in a hard brick. Important Note: Do not attempt to flash this
Installing twrp-3.6.0-9-on7xelte.tar is straightforward, but you need to prepare. Failure to meet these prerequisites is the #1 cause of soft bricks.