Hi
B7510 Officially Not supported...By You can repair your phone in 10sec..
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1-Select s5570.dll
2-goto DCC Read/Write Page
3-Download boot file and select in "main"
4-Set adress and setting by image
5-Press Write
Check Phone for DL-Mode with USB-JIG
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image:
http://s1.picofile.com/file/74432886...l_21_04_50.png
file :
Download arm11boot.b7510.rar for free on uploading.com