Firmware update: Samsung Galaxy On5 SM-G550T1 to Android 6.0.1 Marshmallow. [ROM][SM-G550T1] Galaxy On5 MetroPCS Stock ROM [BL,AP,CP,CSC]. The firmware available for downloading https://androidfilehost.com/?w=files&flid=147594. You can download your Samsung Galaxy On5 SM-G550T1 firmware at the page, available for some countries. How to Root for Samsung Galaxy On5 SM-G550T1 is the separated post, this post only for upgrading • Read More »