iphone 3 g stuck cabe usb itunes

Hi, I have a problem with my iPhone 3G. When I run the restore, I error 1015. I try everything. With fixrecovery, everything but nothing works. I try to throw it because it do for months that I can not use my phone. In addition, I do not know the versions of it there so I'm really lost. If anyone can m "help please. Thanks in advance

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