Samsung i8552 factory reset with CS-TOOL

 Action : Format / Reset
 Tips:
 1.Remove Battery, Insert usb cable, Insert battery
 2.power off Phone, Remove & Reinsert Battery , insert USB Cable
 (In Case Some Phone Required to hold bootkey)
 Waiting for Phone Usb....
 Phone found [ USB Port:COM17 ]
 Connecting...
 Connection Done.
 Read CPU Info...
 CPU_ID: 6575
 CPU_SW: E201
 CPU_HW: CB00
 uploading boot image to RAM...
 Handshake received from Phone.
 Detected eMMC FlashType.
 eMMC cid: 150100534A5330304D
 CHIP  : MT65750000
 CPU ID: 
 EMMC ID      : 150100534A5330304D
 EMMC Size   : 4GB,  usable capacity: 3.64GB
 EMMC Name: eMMC_Samsung_KMSJS000KM_B308
 Read Hardware Information is done.
 
 Formatting ...
 Formating done
 
 Action completed
 Time taken : 00:00:44
 Reconnect Battery/USB Cable
 CS-Tool Ver 1.37

THANKS TO CS-TOOL