admin desktops & Laptops Support Joined Dec 2, 2017 Messages 34,123 Sep 8, 2023 Thread Author #1 Samsung Galaxy S21 5G SM-G991U Service Manual SM-G991B SM-G991U SM-G991O SM-G991W Attachments G991 Comp Expl.pdf G991 Comp Expl.pdf 3 MB · Views: 2 G991 IMAG.pdf G991 IMAG.pdf 1.6 MB · Views: 4 G991U L3.pdf G991U L3.pdf 5.4 MB · Views: 3