How to downgrade Samsung Galaxy Tab S2 SM-T715 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-T715/. Download the android version you want to install from the page for your Samsung Galaxy Tab S2 SM-T715. There are available for some regions/countries. If • Read More »