Yes, but it can be risky. Downgrading is only possible if the new firmware's security binary version (the bit/SW REV) is the same as or lower than what is on your phone. Flashing an older binary than what is currently installed will result in an Odin FAIL error.
: Flashing stock firmware typically erases all internal storage. 📥 Step 1: Download Firmware & Tools
Before downloading any files, verify your device specs to avoid hard-bricking your phone: Exynos 7870 Octa-core Model Codes: SM-J701F, SM-J701F/DS, SM-J701M samsung galaxy j7 nxt firmware download work
Reinstall Samsung USB drivers and restart your computer.
Your PC is not communicating with the phone. Switch to a different USB port (preferably a USB 2.0 port on the back of the motherboard) or change the USB cable. Yes, but it can be risky
A stable data connection is mandatory. Avoid loose or worn-out cables. Step 4: Step-by-Step Installation Guide via Odin
Your J7 Nxt must be in a special "Download Mode" for Odin to communicate with it. Power off your device completely. Press and hold Volume Down + Home + Power buttons simultaneously. When a warning screen appears, press to continue into Download Mode. 💻 Step 3: Flash with Odin : Flashing stock firmware typically erases all internal
: A PC program that downloads the latest official firmware directly from Samsung’s servers by entering your model (SM-J701F) and CSC (region) code. 2. Flashing Procedure with Odin
In all these cases, a is the safest and most reliable fix.