| C:\Program Files\InfinityBox\Documentation\Infinity-Box_How_to_unlock_Samsung_c140_Airtel_India
..............................................
2. Start "OptiFlash.exe"
2. Make steps 1-4
3. At step-5 select file Infinity-Box_special_c140.s3
4. Make step-6
5. Start Infinity-Box software and make "sp-unlock" operation
Infinity-Box_special_c140.s3 file located in support area in "Samsung" folder
-----------------------------------------------
plz send me full step on unlock with picture |