Hello bro i found fainaly flash sprint 7700 with spiderman exe.

Flow this picture below how i do this.

Pic-1:Booting the phone



Pic-2:Read flash file any sprint 7700 old & new phone



Pic-3:Now flash with reading flash file

Pic-4:Select file type all file & select 7700 flash file



Pic-5:Now loding flash



Pic-6:At last select formet range & do formet



If flash & formet done u hold power botton long time

Now phone is ok 100% Tested by me.Thanks