osky thakns respond, and had seen that tutorial, the cid of my cel is BS_US001 is U_L m7 and I call service tec. htc, and I confirmed that belonged team brightstar in use, so do not know if when the recovery or unlocking bootloader they did, I lost the band 3g 900, turn to some in the community to see if I could help recover, not if installing another rom radio or other equipment .......