How to downgrade Samsung Galaxy S5 SM-G900M to old android version ( Android 4.4.4 Kitkat, Android 5.0.1, Android 5.0.2 and Android 5.1.1 Lollipop ). Download the firmware from https://samsung-firmware.org/model/SM-G900M/. Download the android version you want to install from the page for your Samsung Galaxy S5 SM-G900M. There are available for some regions/countries. If you could • Read More »