help bootloader GT B7320?
 

- To day guest come in mobile repair ,they uprom wm6.5 Obtaining The SGH-i637 Upgrade Tool..power on phone ok but mobile using failed.
+ my phone "B7320" updated with crazy SAMSUNG JACK AT&T WM 6.5 self installing ****imei 000000000 and now I can not bring it back to it's WM 6.1 Standard, keypad not working properly, Device Part number changed to i637 from b7320 even I can't make call with it. I have all needed files downloaded like CSC, Eboot, PDA and Phone images but the main issue is "The device do not enter downloader mode in any way" not by holding "J" and attaching USB cable or doing some tries with OCTANS downloader and etc, the device just turn on crazy boot up mad AT&T WM 6.5 and I can not do any thing with it, so many thanks in advance feel free to give me any kind of technical guide I had some like this experiences before.thanks all.

heloo... brother do u fix this problem???

cause I have the same codition

thanx