Firmware update: Samsung Galaxy Tab 5 8.0 SM-T377R4 Android 6.0.1 Marshmallow. The firmware available for downloading https://samsung-firmware.org/model/SM-T377R4/. You can download your Samsung Galaxy Tab 5 8.0 SM-T377R4 firmware at the page, available for some countries. How to Root for Samsung Galaxy Tab 5 8.0 SM-T377R4 is the separated post, this post only for upgrading to • Read More »