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I tried to flash the samsung galaxy R device but build transfer was successful but at the end i got the above message. Also, unlike normal odin, it has flash lock option. I think Nand_write_fail was occurred because my device could flash locked. Can you help it unlock?

Thanks in advance.

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Unlock as in network unlock? - head to the nearest phone unlocking shop or go to your carrier and ask them to get it unlocked. –  t0mm13b Apr 16 '13 at 13:47
I'd rather guess bootloader-lock? –  Izzy Apr 16 '13 at 16:11
yeah, i am talking about bootloader flash lock. –  Harsh Apr 17 '13 at 15:53

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