Transfer files from your PC to your phone while in recovery mode. Prerequisites before Flashing
Press and hold to force exit Download Mode.
The process of installing a custom recovery like TWRP has inherent risks. It will likely void your device's warranty and, if not performed correctly, could lead to a "bricked" (non-functional) device. You are responsible for all consequences. Proceed only if you understand the risks involved. Back up all important data before beginning.
TWRP 3.2.3.0 is a specific version of the custom recovery that was released in December 2017. It marked a significant step forward in the recovery's capabilities. While newer versions have since been released, 3.2.3 is widely available and well-documented for the Galaxy J7 Prime, making it a popular choice. There is also a subsequent TWRP 3.2.3-1 version which includes bug fixes for the input box that specifically improves device decryption on some models.
wasn't just a simple port; it was a community effort led by independent developers on forums like XDA Developers The Technical Hurdle: