In this video, we're going to find out on how to downgrade the Galaxy S7 & S7 edge back to it's original firmware! Finally, I found a trick that able to made this happen.
If this work with other Samsung phones like the S6,S8,S9 or the Note series, please let everyone know in the comment section!
Links:
samfw.com
ClassyKitchen (Thanks to AndroDev7 !)
https://forum.xda-developers.com/t/to...
twrp.me (S7 & s7 edge 3.11, S8 & S8+ 3.31)
odin:
https://samfw.com/blog/download-odin-...
java: https://www.java.com/en/download/