July 1, 2020 (depending on region/carrier).
Here is an interesting guide to breathing new life into your S7 Edge, moving beyond the boring "official" firmware into the realm of "homebrew" software.
This method is for advanced users only. Proceed with caution, as incorrect usage can brick your device. firmware samsung galaxy s7 edge
Reliable repositories like SamMobile or SamFW provide searchable databases of official flash files. How to Flash Firmware Using Odin
The Samsung Galaxy S7 Edge (SM-G935F/FD) may be a few years old, but it remains a capable device. Whether you are stuck in a boot loop, want to remove custom modifications, or need to upgrade/downgrade your software, flashing official Samsung firmware (stock ROM) is the solution. This guide covers everything you need to know about finding, downloading, and installing the correct firmware for your S7 Edge. July 1, 2020 (depending on region/carrier)
Go to Settings > About Phone . Common variants include: SM-G935F: Global/International (Exynos). SM-G935A/V/P/T: US Carrier models (Snapdragon). SM-G935FD: Dual-SIM International.
Disclaimer: Flashing firmware carries inherent risk. The author is not responsible for any damage to your device. Follow at your own risk. Proceed with caution, as incorrect usage can brick
By following these methods, you should be able to update the firmware on your Samsung Galaxy S7 Edge. If you're unsure or encounter issues, consider consulting Samsung's support resources or visiting a authorized service center.