una sa lahat need i flash ang unit..
firmware: http://www.sammobile.com/firmwares/download/33268/SCL23KDU1BNG3_SCL23KDI1BNG3_KDI/
odin: http://www.mediafire.com/download/afuhsngqca06h8a/Odin3_v3.10.6.zip
screenshots:

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PROCEDURE:
firmware: http://www.sammobile.com/firmwares/download/33268/SCL23KDU1BNG3_SCL23KDI1BNG3_KDI/
odin: http://www.mediafire.com/download/afuhsngqca06h8a/Odin3_v3.10.6.zip
screenshots:

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PROCEDURE:
- Power on the phone in Normal Mode without simcard
- Dial *#9090# to enter Service Mode
- In Service Mode tap option on the top right side of the phone like this ( : ) then choose Key Input
(Input Value type Q then OK) - From option again choose Key Input
(Input Value type 0000 (4zero) then OK) to enter MAIN MENU - In MAIN MENU select and follow this:
UE SETTING & INFO → SETTING → PROTOCOL → GCF → GSM/GPRS/WCDMA GCF ON - From option again choose Back to go back in UE SETTING PROTOCOL MENU then select and follow this:
AS → FREQUENCY LOCK → RESET - Power off the phone insert simcard then power on and your done.
Phone is unlock!