sprint is not working !!!
 

i've bought the r11 and r11+ bought aren't unlocking the sprint carrier , it worked once but was able to make calls but can't receive any ,,

i've the videos

part1 : youtube.com/watch?v=OUUyiDaH_pc&feature=*********
part2: .youtube.com/watch?v=9ZlmF8zhZVk&feature=*********



youtube.com/watch?v=vx-Cl_Xf6BI&feature=*********



can this loop be fixed ?


please advice



thanks