“Hello all, I’m newbie. I update 2 weeks ago my S7 from Marshmallow to Nougat , and that was my biggest mistake , my phone battery it is drain to much , I wipe cash partition ,after I try factories reset , but still same, I need help to downgrade from Nougat to Marshmallow.”
Your S7 became extremely laggy or battery drains faster after updating to Android Nougat? Android 7.0 Nougat comes with handful of features such as App Shortcuts, Multi Window support, etc. But for some reasons, you may unhappy with it and want to downgrade to Marshmallow. Here is a simple guide on downgrade Samsung Galaxy S7 and S7 Edge from Android Nougat to Marshmallow.
Preparations before Downgrading from Nougat to Marshmallow
Before you downgrade to Marshmallow, please make sure that:
Charge your phone to at least 60% or more,
Take a complete backup of all your data (including your apps),
Note: Your phone data will be completely wiped during the process. If you unfortunate lost data without backup, you can refer to Android Data Recovery for help.
You have latest USB drivers installed.
Requirements for Downgrading from Nougat to Marshmallow
You also have to download a downgrade tool and Stock Marshmallow Firmware for Samsung for Galaxy S7 and S7 edge.