Note your and Build Number to determine your current security patch and binary version. Step 2: Trusted Sources for Working Firmware Downloads

: Go to Settings > About Phone. Confirm your model is strictly SM-J701F or SM-J701M . Flashing the wrong variant firmware will permanently damage your hardware.

This mode allows the computer to write directly to the phone's storage.

Ensure only and F. Reset Time are checked. Do NOT check "Re-Partition". Click the Start button at the bottom of Odin.

Installing firmware will erase all your personal data. Back up all contacts, photos, and files before proceeding.

Download the latest stable version of Odin (v3.13.1 or newer is recommended for Oreo/Pie firmware). Extract the ZIP file to an easily accessible folder on your desktop. Step 2: Download the Official Galaxy J7 Nxt Firmware

Used if you want to upgrade the OS without wiping user data (not recommended for fixing bootloops). Step 2: Boot Your J7 Nxt into Download Mode Turn off your smartphone completely.