For Sale Samsung ATT T-Mobile Galaxy S5 SM-G900T Motherboard Logic Board Unlock SM-G900W8. Motherboard Logic Board Unlock T-Mobile. ATT T-Mobile Galaxy S5 SM-G900T. We do not accept P. BOXES -PLEASE PROVIDE A PHYSICAL ADDRESS. All our items have tamper evident labels and UV markings to protect our customers from fraud and facilitate quality control. All unauthorized, no reason, etc. The item "Samsung ATT T-Mobile Galaxy S5 SM-G900T Motherboard Logic Board Unlock SM-G900W8" is in sale since Wednesday, November 09, 2016. This item is in the category "Cell Phones & Accessories\Cell Phone & Smartphone Parts". The seller is "super_options_store" and is located in Franklin Park, Illinois.