SAMSUNG I5503T Flashing Error

How to load the Flash files, When i select the flash files it wont show in the dialogue box. How to add the flash files. i downloaded the flash files in bst dongle website file name (GT-I5503T_TLP_I5503TAJJP9_2.2.1_11.04.2011) but it's not fit for this file. and ops file also not there. how to flash it.



Need very urgent help.................

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