Firmware update: Samsung Galaxy Tab A 9.7 SM-P555 Android 6.0.1 Marshmallow. The firmware available for downloading https://samsung-firmware.org/model/SM-P555/. You can download your Samsung Galaxy Tab A 9.7 SM-P555 firmware at the page, available for some countries. How to Root for Samsung Galaxy Tab A 9.7 SM-P555 is the separated post, this post only for upgrading to • Read More »