How To Create Spd Pac File…
1.first open usb debugging mode
2.Now must be root your Phone
3.Insert memory card 2gb or more space your Phone
4.select adb backup .process will start
5.5-slect folder where you want to keep your file
6.waite for some time ,till all done
Example
screen shot
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Then.Now Flash your Research Downloder 100% Done…….