To help you get the exact file you need, could you share the currently running on your J7 Prime? If you are facing a specific Odin error code , let me know so I can provide targeted troubleshooting steps. Share public link
This file is only compatible with SM-G610F U1. Pre-requisites Before Patching
An auto patch file is a modified modem or system partition file. It automatically repairs the network certificate links inside the device software. Key Technical Terms
Typically, these patches are applied through the device's built-in update mechanism. Users can check for updates in the device's settings menu. If an update is available, it can be downloaded and applied from there.
Your device binary is higher than U1 (e.g., U2, U3, U4, or U5), or OEM Unlock is disabled.