This process requires an unlocked bootloader and a custom recovery (like TWRP). Proceed at your own risk.

Press and hold the buttons simultaneously.

At its core, the "Auto Patch File" is a modified version of the official Android operating system (Stock ROM) designed for the Samsung Galaxy J7 Prime ( SM-G610F ), specifically for the firmware binary version . Unlike the official firmware you get from Samsung, this custom ROM has built-in "patches" that automate complex repair tasks, making it a powerful tool for professional technicians and advanced DIY users.

Connect your J7 Prime to the PC using a high-quality USB cable.

: Represents the binary version (also known as the security bit). Samsung prevents downgrading binary levels. A U1 file can only be flashed on a device currently running U1 firmware.

You used a service tool to repair a null or generic IMEI, but the network status still shows "Emergency Calls Only."