Want to go back to previous software

[AC Question]

I just updated software. Everything is now awful. Colours in calendar and text are terrible. Can't see properly. I want to go back to previous version. Thx

 

[B. Diddy]

Welcome to Android Central! Which phone? I'm guessing you mean the Galaxy S6 or S7. You can't easily roll back system updates, but at least Samsung gives you the option of using Odin to flash the previous stock firmware: http://forums.androidcentral.com/am...w-flash-stock-rom-via-odin-new-interface.html